def test_imports(self):
'restrict blocks containing imports'
# Test 'from' syntax
b = Block('from math import sin, pi\n'\
'b=sin(pi/a)\n' \
'd = c * 3.3')
sub_block = b.restrict(inputs=('a'))
self.assertEqual(sub_block.inputs, set(['a']))
self.assertEqual(sub_block.outputs, set(['b']))
self.assertEqual(sub_block.fromimports, set(['pi', 'sin']))
context = {'a':2, 'c':0.0}
sub_block.execute(context)
self.assertTrue(context.has_key('b'))
self.assertEqual(context['b'], 1.0)
# Test 'import' syntax
b = Block('import math\n'\
'b=math.sin(math.pi/a)\n' \
'd = c * 3.3')
sub_block = b.restrict(inputs=('a'))
self.assertEqual(sub_block.inputs, set(['a']))
self.assertEqual(sub_block.outputs, set(['b']))
self.assertEqual(sub_block.fromimports, set(['math']))
context = {'a':2, 'c':0.0}
sub_block.execute(context)
self.assertTrue(context.has_key('b'))
self.assertEqual(context['b'], 1.0)
def test_impure_execute():
code = """
import os # module and function names are discarded by default.
def ff():
global y # will not be retained but will be available in the code block.
y = a + x
b.append(4)
x = a
b.append(3)
ff()
z = y
_x = x # names beginning with underscore are discarded by default
a = 99
"""
context = DataContext(subcontext=dict(a=1, b=[2]))
block = Block(code)
# by default, clean shadow after execution:
shadow = block.execute_impure(context)
assert_equal(set(context.keys()), set(['a', 'b'])) # names unchanged
assert_equal(context['b'],
[2, 3, 4]) # mutable object was changed in context
assert_equal(set(shadow.keys()), set(['x', 'z', 'a']))
assert_equal(context['a'], 1) # original mutable object does not change,
assert_equal(shadow['a'], 99) # but the new object is in the shadow dict.
# do not clean shadow after execution:
shadow = block.execute_impure(context, clean_shadow=False)
assert_equal(set(shadow.keys()), set(['x', 'z', 'a', '_x', 'os', 'ff']))
def test_tracebacks(self):
'Tracebacks have correct file names and line numbers'
# If we want tracebacks to make sense, then the reported file names and
# line numbers need to associate with the code being executed
# regardless which block represents and executes the code.
def test(tb, lineno, filename):
self.assertEqual(tb.tb_lineno, lineno+1)
self.assertEqual(tb.tb_frame.f_code.co_filename, filename)
def tracebacks():
"A list of the current exception's traceback objects."
tb = sys.exc_info()[2]
l = [tb]
while tb.tb_next is not None:
tb = tb.tb_next
l.append(tb)
return l
class File(StringIO, object):
"Extend StringIO with a 'name' attribute."
def __init__(self, name, *args, **kw):
super(File, self).__init__(*args, **kw)
self.name = name
a = Block(File('foo/a.py', 'y = x'))
try:
a.execute({})
except NameError, e:
test(tracebacks()[-1], 1, 'foo/a.py')
def test_impure_execute():
code="""
import os # module and function names are discarded by default.
def ff():
global y # will not be retained but will be available in the code block.
y = a + x
b.append(4)
x = a
b.append(3)
ff()
z = y
_x = x # names beginning with underscore are discarded by default
a = 99
"""
context = DataContext(subcontext=dict(a=1,b=[2]))
block = Block(code)
# by default, clean shadow after execution:
shadow = block.execute_impure(context)
assert_equal(set(context.keys()), set(['a', 'b'])) # names unchanged
assert_equal(context['b'], [2,3,4]) # mutable object was changed in context
assert_equal(set(shadow.keys()), set(['x', 'z', 'a']))
assert_equal(context['a'], 1) # original mutable object does not change,
assert_equal(shadow['a'], 99) # but the new object is in the shadow dict.
# do not clean shadow after execution:
shadow = block.execute_impure(context, clean_shadow=False)
assert_equal(set(shadow.keys()), set(['x', 'z', 'a', '_x', 'os', 'ff']))
def test_restrict_on_nested_blocks(self):
b1 = Block('a=0;b=a+1')
b2 = Block('x=99;z=x-1')
composite=Block([b1,b2])
self.assertSimilar( Block('a=0'),
composite.restrict(outputs=['a']))
self.assertSimilar( Block('x=99'),
composite.restrict(outputs=['x']))
def test_restrict_outputs():
"""Test a basic use of the restrict(outputs=(...)) method."""
code = 'x = a + b\ny = b - c\nz = c**2'
b = Block(code)
br = b.restrict(outputs=('z',))
names = dict(c=5)
br.execute(names)
assert_equal(sorted(names), ['c', 'z'])
assert_equal(names['c'], 5)
assert_equal(names['z'], 25)
def test_restrict_outputs():
"""Test a basic use of the restrict(outputs=(...)) method."""
code = 'x = a + b\ny = b - c\nz = c**2'
b = Block(code)
br = b.restrict(outputs=('z', ))
names = dict(c=5)
br.execute(names)
assert_equal(sorted(names), ['c', 'z'])
assert_equal(names['c'], 5)
assert_equal(names['z'], 25)
def test_basic_02():
"""Another test of the basic use of a Block."""
code = 'y = x + 1'
b = Block(code)
assert_equal(b.inputs, set(['x']))
assert_equal(b.outputs, set(['y']))
names = dict(x=100)
b.execute(names)
assert_equal(sorted(names), ['x', 'y'])
assert_equal(names['x'], 100)
assert_equal(names['y'], 101)
def test_basic_02():
"""Another test of the basic use of a Block."""
code = 'y = x + 1'
b = Block(code)
assert_equal(b.inputs, set(['x']))
assert_equal(b.outputs, set(['y']))
names = dict(x=100)
b.execute(names)
assert_equal(sorted(names), ['x', 'y'])
assert_equal(names['x'], 100)
assert_equal(names['y'], 101)
def test_basic_01():
"""Test basic use of a Block."""
code = 'x = 100\ny = x + 1'
b = Block(code)
assert_equal(b.inputs, set([]))
assert_equal(b.outputs, set(['x','y']))
names = dict()
b.execute(names)
assert_equal(sorted(names), ['x', 'y'])
assert_equal(names['x'], 100)
assert_equal(names['y'], 101)
def test_bound_inputs(self):
code = "c = a * b\n" \
"x = 3 + c\n"
block = Block(code)
context = DataContext()
context['a'] = 1
context['b'] = 2
sub_block = block.restrict(inputs=('c'))
self.assertEqual(sub_block.inputs, set(['c']))
def test_bound_inputs(self):
code = "c = a * b\n" \
"x = 3 + c\n"
block = Block(code)
context = DataContext()
context['a'] = 1
context['b'] = 2
sub_block = block.restrict(inputs=('c'))
self.assertEqual(sub_block.inputs, set(['c']))
def setUp(self):
code = "from blockcanvas.debug.my_operator import add, mul\n" \
"c = add(a,b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block = Block(code)
# Context setup.
self.context = MultiContext(DataContext(name='Data'), {})
self.context['a'] = 1
self.context['b'] = 2
def test_basic_01():
"""Test basic use of a Block."""
code = 'x = 100\ny = x + 1'
b = Block(code)
assert_equal(b.inputs, set([]))
assert_equal(b.outputs, set(['x', 'y']))
assert_equal(b.const_assign, (set(['x']), ['x = 100']))
names = dict()
b.execute(names)
assert_equal(sorted(names), ['x', 'y'])
assert_equal(names['x'], 100)
assert_equal(names['y'], 101)
def test_restrict_on_nested_blocks(self):
b1 = Block('a=0;b=a+1')
b2 = Block('x=99;z=x-1')
composite = Block([b1, b2])
self.assertSimilar(Block('a=0'), composite.restrict(outputs=['a']))
self.assertSimilar(Block('x=99'), composite.restrict(outputs=['x']))
def test_restrict_inputs():
"""Test a basic use of the restrict(inputs=(...)) method."""
code = 'x = a + b\ny = b - c\nz = c**2'
b = Block(code)
assert_equal(b.inputs, set(['a','b','c']))
assert_equal(b.outputs, set(['x','y','z']))
br = b.restrict(inputs=('a',))
names = dict(a=100, b=200)
br.execute(names)
assert_equal(sorted(names), ['a', 'b', 'x'])
assert_equal(names['a'], 100)
assert_equal(names['b'], 200)
assert_equal(names['x'], 300)
def test_block_composition(self):
'Composing Blocks'
self.assertSimilar(Block('a; b; c'), Block(('a', 'b', 'c')))
self.assertSimilar(Block('a'), Block(('a')))
self.assertSimilar(Block(''), Block(()))
self.assertSimilar(
Block('if t: a = b\nc = f(a)'), Block(('if t: a = b', 'c = f(a)')))
def test_restrict_inputs():
"""Test a basic use of the restrict(inputs=(...)) method."""
code = 'x = a + b\ny = b - c\nz = c**2'
b = Block(code)
assert_equal(b.inputs, set(['a', 'b', 'c']))
assert_equal(b.outputs, set(['x', 'y', 'z']))
br = b.restrict(inputs=('a', ))
names = dict(a=100, b=200)
br.execute(names)
assert_equal(sorted(names), ['a', 'b', 'x'])
assert_equal(names['a'], 100)
assert_equal(names['b'], 200)
assert_equal(names['x'], 300)
def test_optimization_no_filenames_in_tracebacks(self):
'Optimization: No filenames in tracebacks'
b = Block('import operator\n'
'x,d = 2,{}\n'
'for i in range(10):\n'
' d[i] = repr(i)\n'
' x *= 2\n'
'sum = lambda l, add=operator.add: reduce(add, l)\n'
'd = (sum(d.keys()), sum(d.values()))\n',
no_filenames_in_tracebacks = True)
c = {}
b.execute(c)
assert c['x'] == 2**11
assert c['d'] == (9*10/2, '0123456789')
def __init__(self, **kwtraits):
if 'external_block' in kwtraits:
self.external_block = kwtraits.pop('external_block')
super(FormulaExecutingContext, self).__init__(**kwtraits)
self._regenerate_expression_block()
if self.external_block is None:
self._external_code_changed(self.external_code)
else:
self.external_block = Block(
[self.external_block,
Block(self.external_code)])
self._regenerate_composite_block()
def test_intermediate_inputs(self):
""" restrict blocks with inputs which are intermediates """
block = Block('c = a + b\n'\
'd = c * 3')
sub_block = block.restrict(inputs=('c'))
self.assertEqual(sub_block.inputs, set(['c']))
self.assertEqual(sub_block.outputs, set(['d']))
context = {'a': 1, 'b': 2}
block.execute(context)
self.assertEqual(context['c'], 3)
self.assertEqual(context['d'], 9)
context = {'c': 10}
sub_block.execute(context)
self.assertEqual(context['c'], 10)
self.assertEqual(context['d'], 30)
context = {'d': 15}
sub_block = block.restrict(inputs=('d'))
self.assertEqual(sub_block.inputs, set([]))
self.assertEqual(sub_block.outputs, set([]))
sub_block.execute(context)
self.assertEqual(context['d'], 15)
def __getitem__(self, key):
if key in self.underlying_context.keys():
return self.underlying_context[key]
else:
try:
# FIXME imports need to be more configurable
# FIXME we may want to have cache rules on sizes so that we
# don't keep around huge values that aren't needed anymore
# however, there is a time/space tradeoff that really should be
# used. We currently support del so that is available if the user
# wants to manually manage this.
eval_globals = {}
for lib in (__builtins__, __import__('numpy')):
for sym in dir(lib):
if not key.startswith('__'):
eval_globals[sym] = getattr(lib, sym)
result = eval(key, eval_globals, self.underlying_context)
self._expressions[key] = result
for dep in Block(key).inputs:
self._dependencies.setdefault(dep, list())
self._dependencies[dep].append(key)
return result
except:
return None
def test_intermediate_inputs_with_highly_connected_graph(self):
""" restrict blocks with inputs which are intermediates on a highly connected graph"""
code = "c = a + b\n" \
"d = c * 3\n" \
"e = a * c\n" \
"f = d + e\n" \
"g = e + c\n" \
"h = a * 3"
block = Block(code)
sub_block = block.restrict(inputs=('c'))
self.assertEqual(sub_block.inputs, set(['a', 'c']))
self.assertEqual(sub_block.outputs, set(['d', 'e', 'f', 'g']))
context = {'a': 1, 'b': 2}
block.execute(context)
self.assertEqual(context['c'], 3)
self.assertEqual(context['d'], 9)
self.assertEqual(context['e'], 3)
self.assertEqual(context['f'], 12)
self.assertEqual(context['g'], 6)
context = {'a': 1, 'c': 10}
sub_block.execute(context)
self.assertEqual(context['c'], 10)
self.assertEqual(context['d'], 30)
self.assertEqual(context['e'], 10)
self.assertEqual(context['f'], 40)
self.assertEqual(context['g'], 20)
def test_intermediate_inputs_and_outputs(self):
""" restrict blocks with inputs and outputs which are intermediates """
code = "c = a + b\n" \
"d = c * 3\n" \
"e = a * c\n" \
"f = d + e\n" \
"g = e + c\n" \
"h = a * 3"
block = Block(code)
sub_block = block.restrict(inputs=('c'), outputs=('e', 'g'))
self.assertEqual(sub_block.inputs, set(['a', 'c']))
self.assertEqual(sub_block.outputs, set(['e', 'g']))
context = {'a': 1, 'b': 2}
block.execute(context)
self.assertEqual(context['c'], 3)
self.assertEqual(context['e'], 3)
self.assertEqual(context['g'], 6)
context = {'a': 1, 'c': 10}
sub_block.execute(context)
self.assertEqual(context['c'], 10)
self.assertEqual(context['e'], 10)
self.assertEqual(context['g'], 20)
def _regenerate_expression_block(self):
exprs = [
'%s = %s' % (var, expr)
for var, expr in list(self._expressions.items())
]
expression_code = '\n'.join(exprs) + '\n'
self._expression_block = Block(expression_code)
def test3(self):
""" Same sized array assignments within 'with' block
"""
file_object = open(os.path.join(self.code_dir, 'test3.py'), 'r')
code = file_object.read()
file_object.close()
b = Block(code)
b.execute(self.context)
desired_vp = arange(0., 10., 1.)
desired_vs = arange(0., 100., 10.)
# Check equal
self.assertTrue((desired_vp == self.context['vp']).all())
self.assertTrue((desired_vs == self.context['vs']).all())
def test_inputs_are_dependent_outputs(self):
""" restrict blocks with inputs which are intermediates and outputs"""
code = "t2 = b * 2\n" \
"t3 = t2 + 3\n"
block = Block(code)
sub_block = block.restrict(inputs=['t2', 't3'])
def test_simple_output_reduction(self):
code = 'from blockcanvas.debug.my_operator import add, mul\n' \
'c = add(a,b)\n' \
'd = mul(a,16)\n'
block = Block(code)
context = DataContext()
context['a'] = 1
context['b'] = 2
sub_block = block.restrict(outputs=('d'))
self.assertEqual(sub_block.inputs, set(['a']))
sub_block.execute(context)
self.assertTrue(context.has_key('d'))
self.assertEqual(context['d'], 16)
def test_block_name_replacer(self):
""" Does BlockNameReplacer work?
"""
code = "x = x(x, x)\nx\n"
desired = "y = y(y, y)\ny\n"
b = Block(code)
rename_variable(b.ast, 'x', 'y')
self.assertEqual(desired, unparse(b.ast))
def test_simple_output_reduction(self):
code = 'from blockcanvas.debug.my_operator import add, mul\n' \
'c = add(a,b)\n' \
'd = mul(a,16)\n'
block = Block(code)
context = DataContext()
context['a'] = 1
context['b'] = 2
sub_block = block.restrict(outputs=('d'))
self.assertEqual(sub_block.inputs, set(['a']))
sub_block.execute(context)
self.assertTrue(context.has_key('d'))
self.assertEqual(context['d'], 16)
def test3(self):
""" Same sized array assignments within 'with' block
"""
file_object = open(os.path.join(self.code_dir,'test3.py'), 'r')
code = file_object.read()
file_object.close()
b = Block(code)
b.execute(self.context)
desired_vp = arange(0., 10., 1.)
desired_vs = arange(0., 100., 10.)
# Check equal
self.assertTrue((desired_vp == self.context['vp']).all())
self.assertTrue((desired_vs == self.context['vs']).all())
def test_load_global_ranges_with_project_ranges(self):
""" Do global ranges get overwritten by the project settings ?
"""
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"d = mul(a, b)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block = Block(code)
self.context['c'] = 2.0
# This is to be done because the interactor doesn't get updated with
# change in block.
i_config = InteractorConfig(var_configs=[
VariableConfig(name='a', type='Shadow'),
VariableConfig(name='b', type='Parametric'),
VariableConfig(name='c', type='Shadow'),
VariableConfig(name='d', type='Parametric')
])
self.interactor = ConfigurableInteractor(block=self.block,
context=self.context,
interactor_config=i_config)
child_int = self.interactor.interactor_shadow
global_file_path = os.path.join(os.path.dirname(__file__), 'data',
'global_user_range.txt')
project_file_path = os.path.join(os.path.dirname(__file__), 'data',
'project_ranges.txt')
self.interactor.load_ranges_from_files({'shadow': project_file_path},
{'shadow': global_file_path})
child_int._view_items()
# Range of a is obtained from the project settings and not the
# global preferences
self.assertAlmostEqual(child_int.input_a__low, 3.4)
self.assertAlmostEqual(child_int.input_a__high, 5.0)
self.assertNotEqual(child_int.input_a__low, 0.15)
self.assertNotEqual(child_int.input_a__high, 9.3)
# Range of c is obtained from the global preferences
self.assertAlmostEqual(child_int.input_c__low, 2.0)
self.assertAlmostEqual(child_int.input_c__high, 7.0)
def test_dep_graph_exists_for_line_of_code(self):
""" Does block treat 1 func blocks like multi-func blocks.
It doesn't appear that simple blocks are forcing updates
to the dep_graph. One func graphs Should be the same as
multi-line ones (I think). Without this, we have to
always check for None and special case that code path in
all the processing tools.
fixme: I (eric) haven't examined this very deeply, it
just cropped up in some of my code. This test
is a reminder that we need to either fix it or
verify that we don't want to fix it.
"""
block = Block('b = foo(a)\nc=bar(b)\n')
self.assertTrue(block._dep_graph is not None)
block = Block('b = foo(a)\n')
self.assertTrue(block._dep_graph is not None)
def test_import_and_rename(self):
code = "from blockcanvas.debug.my_operator import add as add1\n" \
"a = add1(1,2)\n" \
"b = add1(a,3)"
foo_block = Block(code)
info = find_functions(foo_block.ast)
foo_call = FunctionCall.from_ast(foo_block.sub_blocks[1].ast, info)
desired = 'result = add(1, 2)'
self.assertEqual(foo_call.call_signature, desired)
def test_function_names(self):
""" Does function_names find all the functions in an AST?
"""
code = "x = func1(func2(1),2)\n" \
"y = func3()\n"
desired = ["func1", "func2", "func3"]
b = Block(code)
actual = sorted(function_names(b))
self.assertEqual(actual, desired)
def test_local_function_preprocessing(self):
code = "def foo(a,b):\n" \
"\tx,y=a,b\n" \
"\treturn x,y\n" \
"i,j = foo(1,2)\n"
foo_block = Block(code)
info = find_functions(foo_block.ast)
assert 'foo' in info
assert info['foo']
def test_cyclic_dep_graph(self):
"Regression: Don't make cyclic dep graphs"
# When an input and output name are the same, we used to represent them
# identically in the dep graph, making it cyclic (and wrong anyway)
try:
# (';' appends an empty 'Discard' statement to the block, which
# gives it multiple sub-blocks, which forces 'restrict' to run
# non-trivially)
Block('a = a;').restrict(inputs=['a'])
except graph.CyclicGraph:
self.fail()
def __delitem__(self, key):
"""Delete an item from the ExpressionContext -- either in the underlying context,
or if an already cached expression, delete it."""
# if item is an expression, delete it from the list of dependencies, otherwise pass it down
# to underlying
if key in self._expressions:
self._expressions.remove(key)
for dep in list(Block(key).inputs):
self._dependencies[dep].remove(key)
else:
del self.underlying_context[key]
def test2(self):
""" Different sized arrays
"""
file_object = open(os.path.join(self.code_dir,'test2.py'), 'r')
code = file_object.read()
file_object.close()
b = Block(code)
b.execute(self.context)
depth = arange(0., 10000., 1000.)
desired_vp = zeros(depth.shape)
desired_vs = zeros(depth.shape)
desired_vp[(depth<4000.0) & (depth > 1000.0)] = 1.0
desired_vs[(depth<4000.0) & (depth > 1000.0)] = 1.5
# Check equal
self.assertTrue((desired_vp == self.context['vp']).all())
self.assertTrue((desired_vs == self.context['vs']).all())
def test_local_def(self):
code = "def foo(a):\n" \
" b = a\n" \
" return b\n" \
"y = foo(2)\n"
foo_block = Block(code)
info = find_functions(foo_block.ast)
foo_call = FunctionCall.from_ast(foo_block.sub_blocks[-1].ast, info)
desired = 'b = foo(2)'
self.assertEqual(foo_call.call_signature, desired)
def test2(self):
""" Different sized arrays
"""
file_object = open(os.path.join(self.code_dir, 'test2.py'), 'r')
code = file_object.read()
file_object.close()
b = Block(code)
b.execute(self.context)
depth = arange(0., 10000., 1000.)
desired_vp = zeros(depth.shape)
desired_vs = zeros(depth.shape)
desired_vp[(depth < 4000.0) & (depth > 1000.0)] = 1.0
desired_vs[(depth < 4000.0) & (depth > 1000.0)] = 1.5
# Check equal
self.assertTrue((desired_vp == self.context['vp']).all())
self.assertTrue((desired_vs == self.context['vs']).all())
def test_block_events(self):
import numpy
from codetools.blocks.api import Block
context = DataContext(name="data")
context.on_trait_change(self.event_listener, 'items_modified')
context.defer_events = True
context['a'] = 4
context['b'] = numpy.array((1,2,3))
context.defer_events = False
self.assertEqual(self.event_count, 1)
multi_context = MultiContext(context, name="multi")
multi_context.on_trait_change(self.event_listener, 'items_modified')
block = Block("c = a * b")
block.execute(multi_context)
# we expect one event from data context, one from multi context
self.assertEqual(self.event_count, 3)
def test_unbound_inputs(self):
code = 'from blockcanvas.debug.my_operator import add, mul\n' \
"c = add(a,b)\n" \
"d = mul(c,a)\n" \
"z = add(b, 2)"
block = Block(code)
context = DataContext()
context['a'] = 2
context['b'] = 1
sub_block = block.restrict(inputs=('a'))
self.assertEqual(sub_block.inputs, set(['a', 'b']))
self.assertEqual(sub_block.outputs, set(['c', 'd', 'add', 'mul']))
sub_block.execute(context)
self.assertTrue(context.has_key('c'))
self.assertEqual(context['c'], 3)
self.assertTrue(context.has_key('d'))
self.assertEqual(context['d'], 6)
def test_ast_policy(self):
'Policy: Keep tidy ASTs'
a = Discard(Name('a'))
empty = Stmt([])
self.assertEqual(empty, Block('').ast)
self.assertEqual(empty, Block(empty).ast)
self.assertEqual(empty, Block(Module(None, empty)).ast)
self.assertEqual(a, Block('a').ast)
self.assertEqual(a, Block(a).ast)
self.assertEqual(a, Block(Stmt([a])).ast)
self.assertEqual(a, Block(Module(None, Stmt([a]))).ast)
# Similar, except we don't use strings since Block does its own parsing
b = Block()
b.ast = empty
self.assertEqual(b.ast, empty)
b.ast = Module(None, empty)
self.assertEqual(b.ast, empty)
b.ast = a
self.assertEqual(b.ast, a)
b.ast = Stmt([a])
self.assertEqual(b.ast, a)
b.ast = Module(None, Stmt([a]))
self.assertEqual(b.ast, a)
def setUp(self):
code = "from blockcanvas.debug.my_operator import add, mul\n" \
"c = add(a,b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block=Block(code)
# Context setup.
self.context = MultiContext(DataContext(name='Data'),{})
self.context['a'] = 1
self.context['b'] = 2
def test_caching_dep_graph_restrict(self):
"Caching: '_dep_graph', 'restrict'"
# '_dep_graph' determines the behavior of 'restrict', so we can test
# them together.
b = Block('a=2; b=a; z=a')
self.assertSimilar(b.restrict(outputs='z'), Block('a=2; z=a'))
b.sub_blocks = [Block('z=0')]
self.assertSimilar(b.restrict(outputs='z'), Block('z=0'))
b = Block('a=2; b=a; z=a')
self.assertSimilar(b.restrict(outputs='z'), Block('a=2; z=a'))
b.ast = Block('z=0').ast
self.assertSimilar(b.restrict(outputs='z'), Block('z=0'))
def test_load_global_ranges_with_project_ranges(self):
""" Do global ranges get overwritten by the project settings ?
"""
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"d = mul(a, b)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block = Block(code)
self.context['c'] = 2.0
# This is to be done because the interactor doesn't get updated with
# change in block.
i_config = InteractorConfig(var_configs=[VariableConfig(name='a',
type='Shadow'),
VariableConfig(name='b',
type='Parametric'),
VariableConfig(name='c',
type='Shadow'),
VariableConfig(name='d',
type='Parametric')])
self.interactor = ConfigurableInteractor(block=self.block,
context=self.context,
interactor_config=i_config)
child_int = self.interactor.interactor_shadow
global_file_path = os.path.join(os.path.dirname(__file__), 'data',
'global_user_range.txt')
project_file_path = os.path.join(os.path.dirname(__file__), 'data',
'project_ranges.txt')
self.interactor.load_ranges_from_files({'shadow':project_file_path},
{'shadow':global_file_path})
child_int._view_items()
# Range of a is obtained from the project settings and not the
# global preferences
self.assertAlmostEqual(child_int.input_a__low, 3.4)
self.assertAlmostEqual(child_int.input_a__high, 5.0)
self.assertNotEqual(child_int.input_a__low, 0.15)
self.assertNotEqual(child_int.input_a__high, 9.3)
# Range of c is obtained from the global preferences
self.assertAlmostEqual(child_int.input_c__low, 2.0)
self.assertAlmostEqual(child_int.input_c__high, 7.0)
def setUp(self):
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"c = add(a, b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d, e)\n" \
"g = add(f, 3)\n" \
"h = mul(g, f)\n" \
"i = mul(g,h)"
self.block=Block(code)
# Context setup.
self.context = MultiContext(DataContext(name='Data'),{})
self.context['a'] = 1.0
self.context['b'] = 2
self.block.execute(self.context)
# ConfigurableInteractor setup
i_config = InteractorConfig(var_configs=[VariableConfig(name='a',
type='Shadow'),
VariableConfig(name='b',
type='Parametric'),
VariableConfig(name='c',
type='Shadow'),
VariableConfig(name='d',
type='Parametric'),
VariableConfig(name='e',
type='Stochastic: Constant'),
VariableConfig(name='f',
type='Stochastic: Gaussian'),
VariableConfig(name='g',
type='Stochastic: Triangular'),
VariableConfig(name='h',
type='Stochastic: Uniform'),
])
self.interactor = ConfigurableInteractor(interactor_config=i_config,
block=self.block,
context=self.context)
# Temp dir
self.temp_dir = tempfile.gettempdir()
def test_sub_block_manipulation(self):
'Sub-block manipulation'
# A block's structure responds to changes in the 'sub_blocks' list
b = Block('a; b')
b.sub_blocks.append(Block('c'))
self.assertSimilar(b, Block('a; b; c'))
del b.sub_blocks[1]
self.assertSimilar(b, Block('a; c'))
b.sub_blocks.reverse()
self.assertSimilar(b, Block('c; a'))
b.sub_blocks[0] = Block('b')
self.assertSimilar(b, Block('b; a'))
b.sub_blocks = []
self.assertSimilar(b, Block())
b.sub_blocks = []
self.assertSimilar(b, Block())
# But if we end up with a block that doesn't decompose, 'sub_blocks'
# goes away!
b = Block('a; b; c')
b.sub_blocks.pop()
self.assertSimilar(b, Block('a; b'))
self.assertEqual(len(b.sub_blocks), 2)
b.sub_blocks.pop()
self.assertSimilar(b, Block('a'))
self.assertEqual(len(b.sub_blocks), 1)
b.sub_blocks = [Block('b')]
self.assertSimilar(b, Block('b'))
self.assertEqual(len(b.sub_blocks), 1)
b.sub_blocks = [Block('a'), Block('b')]
self.assertSimilar(b, Block('a; b'))
self.assertEqual(len(b.sub_blocks), 2)
# Note that some seemingly large things don't (currently) decompose:
block = Block('for x in l:\n a = f(x)\n b = g(a)\n if t: h()')
self.assertEqual(len(block.sub_blocks), 1)
a = Block(File('foo/a.py', 'y = x'))
try:
a.execute({})
except NameError, e:
test(tracebacks()[-1], 1, 'foo/a.py')
del a
a = Block(File('foo/a.py', 'import sys\ny = x'))
try:
a.execute({})
except NameError, e:
test(tracebacks()[-1], 2, 'foo/a.py')
#del a # (use below in 'Compose')
b = Block(File('foo/b.py',
"import re\nl=re.findall('a(.*?)a', 'abacada')\nx = l[2]"))
try:
b.execute({})
except IndexError, e:
test(tracebacks()[-1], 3, 'foo/b.py')
#del b # (use below in 'Compose')
# Compose
c = Block((a,b))
try:
c.execute({})
except NameError, e:
test(tracebacks()[-1], 2, 'foo/a.py')
try:
c.execute({'x':0})
except IndexError, e:
'from numpy import zeros\n'\
'from codetools.contexts.with_mask import Mask\n'\
'with Mask((depth < 4000.0) & (depth > 1000.0)):vp=1.5 ; vs=1.0'
## # Expanded form of with statement taken from PEP 343. This is just for testing
## code = 'from numpy import zeros\n'\
## 'array_len = depth.shape\n'\
## 'vp = zeros(array_len)\n'\
## 'vs = zeros(array_len)\n'\
## 'from codetools.contexts.with_mask import Mask\n'\
## 'mgr = Mask((depth < 4000.0) & (depth > 1000.0))\n'\
## 'exit_code = mgr.__exit__\n'\
## 'mgr.__enter__()\n'\
## 'exc = True\n'\
## 'try:\n'\
## ' try:\n'\
## ' vp = 1.0\n'\
## ' vs = 1.5\n'\
## ' except:\n'\
## ' exc = False\n'\
## 'finally:\n'\
## ' if exc:\n'\
## ' exit_code(None, None, None)'
b = Block(code)
b.execute(context)
print 'vp', context['vp']
print 'vs', context['vs']
### EOF ------------------------------------------------------------------------
def test_caching_code(self):
"Caching: '_code'"
b,c = Block('a=2'), {}
b._code
b.ast = Block('a=3').ast
b.execute(c)
self.assertEqual(c['a'], 3)
b,c = Block('a=2'), {}
b._code
b.sub_blocks = [Block('a=3')]
b.execute(c)
self.assertEqual(c['a'], 3)
b,c = Block('a=3; a=2'), {}
b._code
b.sub_blocks.pop()
b.execute(c)
self.assertEqual(c['a'], 3)
b,c = Block(''), {}
b._code
b.sub_blocks.append(Block('a=3'))
b.sub_blocks = [Block('a=3')]
b.execute(c)
assert 'a' in c
# Test
if __name__ == '__main__':
from codetools.blocks.api import Block
from codetools.contexts.api import DataContext, MultiContext
# from context.api import GeoContext
# from scimath.units.api import UnitArray
# from scimath.units.length import meter
code = "from blockcanvas.debug.my_operator import add, mul\n" \
"c = add(a,b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
block=Block(code)
# context = ParametricContext(GeoContext(), {})
# context['a'] = UnitArray((1,2,3), units=meter)
# context['b'] = UnitArray((2,3,4), units=meter)
#
# interactor = ParametricInteractor(context=context, block = block)
# interactor.configure_traits()
# Context setup.
context = MultiContext(DataContext(name='Data'),{})
context['a'] = 1
context['b'] = 2
interactor = ParametricInteractor(context=context, block = block)
interactor.configure_traits()
class ConfigurableInteractorTestCase(unittest.TestCase):
""" Unit testing for ConfigurableInteractor
"""
def setUp(self):
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"c = add(a, b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d, e)\n" \
"g = add(f, 3)\n" \
"h = mul(g, f)\n" \
"i = mul(g,h)"
self.block=Block(code)
# Context setup.
self.context = MultiContext(DataContext(name='Data'),{})
self.context['a'] = 1.0
self.context['b'] = 2
self.block.execute(self.context)
# ConfigurableInteractor setup
i_config = InteractorConfig(var_configs=[VariableConfig(name='a',
type='Shadow'),
VariableConfig(name='b',
type='Parametric'),
VariableConfig(name='c',
type='Shadow'),
VariableConfig(name='d',
type='Parametric'),
VariableConfig(name='e',
type='Stochastic: Constant'),
VariableConfig(name='f',
type='Stochastic: Gaussian'),
VariableConfig(name='g',
type='Stochastic: Triangular'),
VariableConfig(name='h',
type='Stochastic: Uniform'),
])
self.interactor = ConfigurableInteractor(interactor_config=i_config,
block=self.block,
context=self.context)
# Temp dir
self.temp_dir = tempfile.gettempdir()
def test_build_vars(self):
""" Does the interactor create the right traits for the types of
of interactors
"""
self.failUnless(isinstance(self.interactor.interactor_shadow,
ShadowInteractor))
self.failUnless(isinstance(self.interactor.interactor_parametric,
ParametricInteractor))
self.failUnless(isinstance(
self.interactor.interactor_stochastic_constant,StochasticInteractor))
self.failUnless(isinstance(
self.interactor.interactor_stochastic_gaussian,StochasticInteractor))
self.failUnless(isinstance(
self.interactor.interactor_stochastic_triangular,
StochasticInteractor))
self.failUnless(isinstance(
self.interactor.interactor_stochastic_uniform, StochasticInteractor))
def test_load_project_ranges_for_shadow_interactor(self):
""" Does loading ranges from file work for shadow interactor ?
"""
child_int = self.interactor.interactor_shadow
file_path = os.path.join(os.path.dirname(__file__), 'data',
'project_ranges.txt')
# Applying the ranges to the shadow interactor in the configurable
# interactor
self.interactor.load_ranges_from_files({'shadow':file_path})
child_int._view_items()
self.assertEqual(len(child_int.ranges.keys()), 42)
self.assertAlmostEqual(child_int.input_a__high, 5)
self.assertAlmostEqual(child_int.input_a__low, 3.4)
self.assertEqual(child_int.input_a, self.context['a'])
def test_save_project_ranges_for_shadow_interactor(self):
""" Does saving ranges to file work for shadow interactor ?
"""
child_int = self.interactor.interactor_shadow
f_path = os.path.join(self.temp_dir,'test_save_ranges_for_shadow.txt')
child_int._view_items()
child_int.input_a__high = 5.0
self.interactor.save_ranges_to_files({'shadow': f_path})
# Read the saved file
file_object = open(f_path, 'r')
line = file_object.read()
line = [name.strip() for name in line.split()]
file_object.close()
os.remove(f_path)
# Check results
self.assertEqual(len(line), 6)
self.assertEqual(line[2], str(5.0))
def test_load_project_ranges_for_parametric_interactor(self):
""" Does loading ranges from file work for parametric interactor ?
"""
child_int = self.interactor.interactor_parametric
file_path = os.path.join(os.path.dirname(__file__), 'data',
'project_ranges.txt')
self.interactor.load_ranges_from_files({'parametric': file_path})
child_int._view_items()
self.assertEqual(len(child_int.ranges.keys()), 42)
self.assertAlmostEqual(child_int.input_b.low, 1.0)
self.assertAlmostEqual(child_int.input_b.high, 6.0)
self.assertEqual(child_int.input_b.step, 0.0)
self.assertEqual(child_int.input_b.input_value, self.context['b'])
def test_save_project_ranges_for_parametric_interactor(self):
""" Does saving ranges to file work for parametric interactor ?
"""
file_path = os.path.join(self.temp_dir,
'test_save_ranges_for_parametric.txt')
child_int = self.interactor.interactor_parametric
child_int._view_items()
child_int.input_b.low = 2
child_int.input_b.high = 3
child_int.input_b.step = 0.5
self.interactor.save_ranges_to_files({'parametric':file_path})
# Read the saved file
file_object = open(file_path, 'r')
lines = file_object.readlines()
lines = [line.split() for line in lines]
file_object.close()
os.remove(file_path)
self.assertEqual(len(lines), 2)
self.assertEqual(len(lines[0]), 4)
self.assertEqual(len(lines[1]), 4)
self.assertEqual(lines[0][1], str(2))
self.assertEqual(lines[0][2], str(3))
self.assertEqual(lines[0][3], str(0))
def test_load_project_ranges_for_stochastic_constant_interactor(self):
""" Does loading parameters from file work for stochastic interactor
with constant distribution ?
"""
child_int = self.interactor.interactor_stochastic_constant
file_path = os.path.join(os.path.dirname(__file__), 'data',
'stochastic_constant_ranges.txt')
self.interactor.load_ranges_from_files({'stochastic_constant':
file_path})
child_int._view_items()
self.assertEqual(child_int.input_e.distribution.value, 45)
def test_save_project_ranges_for_stochastic_constant_interactor(self):
""" Does saving parameters to file work for stochastic interactor with
constant distribution ?
"""
file_path = os.path.join(self.temp_dir,
'test_save_ranges_for_stoch_constant.txt')
child_int = self.interactor.interactor_stochastic_constant
child_int._view_items()
child_int.input_e.distribution.value = 37.5
self.interactor.save_ranges_to_files({'stochastic_constant': file_path})
# Read the saved file
file_object = open(file_path, 'r')
lines = file_object.readlines()
lines = [line.split() for line in lines]
file_object.close()
os.remove(file_path)
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 2)
self.assertEqual(lines[0][1], str(37.5))
def test_load_project_ranges_for_stochastic_gaussian_interactor(self):
""" Does loading parameters from file work for stochastic interactor
with gaussian distribution ?
"""
child_int = self.interactor.interactor_stochastic_gaussian
file_path = os.path.join(os.path.dirname(__file__), 'data',
'stochastic_gaussian_ranges.txt')
self.interactor.load_ranges_from_files({'stochastic_gaussian':
file_path})
child_int._view_items()
self.assertEqual(child_int.input_f.distribution.mean, 39)
self.assertEqual(child_int.input_f.distribution.std, 3)
def test_save_project_ranges_for_stochastic_gaussian_interactor(self):
""" Does saving parameters to file work for stochastic interactor
with gaussian distribution ?
"""
file_path = os.path.join(self.temp_dir,
'test_save_ranges_for_stoch_gaussian.txt')
child_int = self.interactor.interactor_stochastic_gaussian
child_int._view_items()
child_int.input_f.distribution.mean = 200
child_int.input_f.distribution.std = 0.5
self.interactor.save_ranges_to_files({'stochastic_gaussian': file_path})
# Read the saved file
file_object = open(file_path, 'r')
lines = file_object.readlines()
lines = [line.split() for line in lines]
file_object.close()
os.remove(file_path)
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 3)
self.assertEqual(lines[0][1], str(200.0))
self.assertEqual(lines[0][2], str(0.5))
def test_load_project_ranges_for_stochastic_triangular_interactor(self):
""" Does loading parameters from file work for triangular interactor
with triangular distribution ?
"""
child_int = self.interactor.interactor_stochastic_triangular
file_path = os.path.join(os.path.dirname(__file__), 'data',
'stochastic_triangular_ranges.txt')
self.interactor.load_ranges_from_files({'stochastic_triangular':
file_path})
child_int._view_items()
self.assertEqual(child_int.input_g.distribution.mode, 44)
self.assertEqual(child_int.input_g.distribution.low, 39)
self.assertEqual(child_int.input_g.distribution.high, 49)
def test_save_project_ranges_for_stochastic_triangular_interactor(self):
""" Does saving parameters to file work for stochastic interactor
with triangular distribution ?
"""
file_path = os.path.join(self.temp_dir,
'test_save_ranges_for_stoch_triangular.txt')
child_int = self.interactor.interactor_stochastic_triangular
child_int._view_items()
child_int.input_g.distribution.mode = 40.0
child_int.input_g.distribution.low = 30.0
child_int.input_g.distribution.high = 50.0
self.interactor.save_ranges_to_files({'stochastic_triangular':
file_path})
# Read the saved file
file_object = open(file_path, 'r')
lines = file_object.readlines()
lines = [line.split() for line in lines]
file_object.close()
os.remove(file_path)
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 4)
self.assertEqual(lines[0][1], str(40.0))
self.assertEqual(lines[0][2], str(30.0))
self.assertEqual(lines[0][3], str(50.0))
def test_load_project_ranges_for_stochastic_uniform_interactor(self):
""" Does loading parameters from file work for stochastic interactor
with uniform distribution ?
"""
child_int = self.interactor.interactor_stochastic_uniform
file_path = os.path.join(os.path.dirname(__file__), 'data',
'stochastic_uniform_ranges.txt')
self.interactor.load_ranges_from_files({'stochastic_uniform':file_path})
child_int._view_items()
self.assertEqual(child_int.input_h.distribution.low, 40)
self.assertEqual(child_int.input_h.distribution.high, 58)
def test_save_project_ranges_for_stochastic_uniform_interactor(self):
""" Does saving parameters to file work for stochastic interactor
with uniform distribution ?
"""
file_path = os.path.join(self.temp_dir,
'test_save_ranges_for_stoch_uniform.txt')
child_int = self.interactor.interactor_stochastic_uniform
child_int._view_items()
child_int.input_h.distribution.low = 30.0
child_int.input_h.distribution.high = 50.0
self.interactor.save_ranges_to_files({'stochastic_uniform': file_path})
# Read the saved file
file_object = open(file_path, 'r')
lines = file_object.readlines()
lines = [line.split() for line in lines]
file_object.close()
os.remove(file_path)
self.assertEqual(len(lines), 1)
self.assertEqual(len(lines[0]), 3)
self.assertEqual(lines[0][1], str(30.0))
self.assertEqual(lines[0][2], str(50.0))
def test_load_global_ranges_with_project_ranges(self):
""" Do global ranges get overwritten by the project settings ?
"""
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"d = mul(a, b)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block = Block(code)
self.context['c'] = 2.0
# This is to be done because the interactor doesn't get updated with
# change in block.
i_config = InteractorConfig(var_configs=[VariableConfig(name='a',
type='Shadow'),
VariableConfig(name='b',
type='Parametric'),
VariableConfig(name='c',
type='Shadow'),
VariableConfig(name='d',
type='Parametric')])
self.interactor = ConfigurableInteractor(block=self.block,
context=self.context,
interactor_config=i_config)
child_int = self.interactor.interactor_shadow
global_file_path = os.path.join(os.path.dirname(__file__), 'data',
'global_user_range.txt')
project_file_path = os.path.join(os.path.dirname(__file__), 'data',
'project_ranges.txt')
self.interactor.load_ranges_from_files({'shadow':project_file_path},
{'shadow':global_file_path})
child_int._view_items()
# Range of a is obtained from the project settings and not the
# global preferences
self.assertAlmostEqual(child_int.input_a__low, 3.4)
self.assertAlmostEqual(child_int.input_a__high, 5.0)
self.assertNotEqual(child_int.input_a__low, 0.15)
self.assertNotEqual(child_int.input_a__high, 9.3)
# Range of c is obtained from the global preferences
self.assertAlmostEqual(child_int.input_c__low, 2.0)
self.assertAlmostEqual(child_int.input_c__high, 7.0)
def test_load_global_ranges_without_project_ranges(self):
""" Do global ranges get used when there are no project settings ?
"""
code = "from blockcanvas.debug.my_operator import add,mul\n"\
"d = mul(a, b)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block = Block(code)
self.context['c'] = 2.0
# This is to be done because the interactor doesn't get updated with
# change in block.
i_config = InteractorConfig(var_configs=[VariableConfig(name='a',
type='Shadow'),
VariableConfig(name='b',
type='Parametric'),
VariableConfig(name='c',
type='Shadow'),
VariableConfig(name='d',
type='Parametric')])
self.interactor = ConfigurableInteractor(block=self.block,
context=self.context,
interactor_config=i_config)
child_int = self.interactor.interactor_shadow
global_file_path = os.path.join(os.path.dirname(__file__), 'data',
'global_user_range.txt')
self.interactor.load_ranges_from_files({}, {'shadow':global_file_path})
child_int._view_items()
# Range of a is obtained from the project settings and not the
# global preferences
self.assertAlmostEqual(child_int.input_a__low, 0.15)
self.assertAlmostEqual(child_int.input_a__high, 9.3)
# Range of c is obtained from the global preferences
self.assertAlmostEqual(child_int.input_c__low, 2.0)
self.assertAlmostEqual(child_int.input_c__high, 7.0)
class ParametricInteractorTestCase(unittest.TestCase):
""" Unit testing for ParametricInteractor
"""
def setUp(self):
code = "from blockcanvas.debug.my_operator import add, mul\n" \
"c = add(a,b)\n" \
"d = mul(c, 2)\n" \
"e = mul(c, 3)\n" \
"f = add(d,e)"
self.block=Block(code)
# Context setup.
self.context = MultiContext(DataContext(name='Data'),{})
self.context['a'] = 1
self.context['b'] = 2
def test_attributes(self):
""" Test if creation of attributes is working correctly
"""
interactor = ParametricInteractor(context=self.context,block=self.block)
self.assertTrue(hasattr(interactor, interactor._input_prefix + "a"))
self.assertTrue(hasattr(interactor, interactor._input_prefix + "b"))
# Check if the parameter items were written correctly
attribute_a = getattr(interactor, interactor._input_prefix+'a')
attribute_b = getattr(interactor, interactor._input_prefix+'b')
self.assertEqual(attribute_a.step, 0)
self.assertEqual(attribute_a.low, 1)
self.assertEqual(attribute_a.high, 1)
self.assertEqual(attribute_b.step, 0)
self.assertEqual(attribute_b.low, 2)
self.assertEqual(attribute_b.high, 2)
# Check if the inputs in the interactor are right
self.assertEqual(interactor.inputs, list(self.block.inputs))
def test_create_shadows(self):
""" Test if creating shadows is working correctly
"""
interactor = ParametricInteractor(context=self.context,block=self.block)
# Change the parameters for the attributes
attribute_a = getattr(interactor, interactor._input_prefix+'a')
attribute_b = getattr(interactor, interactor._input_prefix+'b')
attribute_a.high = 4
attribute_a.step = 1
attribute_b.high = 3
attribute_b.step = 1
# Create the shadows.
interactor._update_contexts_button_changed()
# Check if the shadows were created correctly.
self.assertEqual(len(self.context.shadows),
len(attribute_a.output_list)*len(attribute_b.output_list))
# Check if the shadow context gives desired result.
self.block.execute(self.context.shadows[-1])
self.assertEqual(self.context.shadows[-1]['f'],
5*(self.context.shadows[-1]['a']+self.context.shadows[-1]['b']))
