def testDiffDictMultipleElement(self):
"""diff between 2 modelfiles with a multiple subelement"""
model = ModelFile()
element = ModelFile(sep="=", linesep=" ")
element.add_element('dev', check='string')
element.add_element('index', check='digit')
model.add_custom('target', element, multiple=True)
model2 = model.emptycopy()
# Empty models have no difference
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Same model have no difference
model.parse('target: dev=/dev/sda index=1')
model2.parse('target: dev=/dev/sda index=1')
self.assertEqual(len(model['target']), 1)
self.assertEqual(len(model2['target']), 1)
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Add a new element
model2.parse('target: dev=/dev/sdb index=2')
self.assertEqual(len(model['target']), 1)
self.assertEqual(len(model2['target']), 2)
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(),
{'target': [{
'index': 2,
'dev': '/dev/sdb'
}]})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Change an element
del model2['target']
model2.parse('target: dev=/dev/sdb index=1')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(),
{'target': [{
'index': 1,
'dev': '/dev/sdb'
}]})
self.assertEqual(removed.as_dict(),
{'target': [{
'index': 1,
'dev': '/dev/sda'
}]})
self.assertEqual(changed.as_dict(), {})
def testDiffMultipleElement(self):
"""diff between 2 modelfiles with a MultipleElement"""
model = ModelFile()
model.add_element('name', check='string', multiple=True)
model2 = model.emptycopy()
# Empty models have no difference
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Same model have no difference
model.add('name', 'foo')
model2.add('name', 'foo')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Add a value
model2.add('name', 'bar')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {'name': ['bar']})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Remove a value
del model2['name']
model.add('name', 'bar')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {'name': ['foo', 'bar']})
self.assertEqual(changed.as_dict(), {})
def testSaveModelToFile(self):
"""save a ModelFile to a file"""
testfile = makeTempFile("""foo: my test
bar: 3
foo: another
bar: 1
bar: 2""")
# Create a model
model = ModelFile()
model.add_element("foo", check="string", multiple=True)
model.add_element("bar", check="digit", multiple=True)
# Load a test file
model.load(testfile.name)
# Save it to a new file
filename = makeTempFilename()
model.save(filename, "# Some header")
# Reload the file in another model
model2 = model.emptycopy()
model2.load(filename)
os.unlink(filename)
# Compare the two files. They should have no difference
added, changed, removed = model.diff(model2)
self.assertTrue(len(changed) == len(added) == len(removed) == 0)
def test_huge_folding_scales(self):
"""folding a lot of elements is fast enough"""
model = ModelFile()
model.add_element("foo", check="string", multiple=True, fold=True)
for i in range(0, 10000):
model.parse('foo: first%s second%s' % (i, i + 10))
before = time.time()
self.assertEqual(str(model), 'foo:first[0-9999] second[10-10009]')
elapsed = time.time() - before
self.assertTrue(elapsed < 0.5,
"%.2fs exceeds 0.5s threshold" % elapsed)
def testDiffDictElement(self):
"""diff between 2 modelfiles with a subelement"""
model = ModelFile()
element = ModelFile(sep="=", linesep=" ")
element.add_element('size', check='digit')
element.add_element('count', check='digit')
model.add_custom('stripe', element)
model2 = model.emptycopy()
# Empty models have no difference
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Same model have no difference
model.parse('stripe: count=1 size=1000000')
model2.parse('stripe: count=1 size=1000000')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Remove an attribute
del model2.get('stripe')['count']
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {'stripe': {'count': 1}})
self.assertEqual(changed.as_dict(), {})
# Change an attribute
model2.get('stripe').add('count', 2)
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {'stripe': {'count': 2}})
def test_various_fold_range(self):
"""fold complex patterns involving ordering"""
model = ModelFile()
model.add_element("foo", check="string", multiple=True, fold=True)
# Folding without digit is fine
model.parse('foo: cat')
model.parse('foo: dog')
self.assertEqual(len(model.get('foo')), 2)
self.assertEqual(str(model.elements('foo')), 'cat\ndog')
copy = model.emptycopy()
copy.parse(str(model))
self.assertEqual(copy, model)
del model['foo']
# Keeps order
model.parse('foo: foo1')
model.parse('foo: foo3')
model.parse('foo: foo2')
self.assertEqual(len(model.get('foo')), 3)
self.assertEqual(str(model.elements('foo')), 'foo[1,3]\nfoo2')
copy = model.emptycopy()
copy.parse(str(model))
self.assertEqual(copy, model)
del model['foo']
# Complex ordering
model.parse("foo: mine[10-15] second[1-6]")
model.parse("foo: mine[8] second[7]")
model.parse("foo: mine[16] second[8]")
self.assertEqual(len(model.get('foo')), 8)
self.assertEqual(str(model.elements('foo')),
'mine[10-15] second[1-6]\n'
'mine[8,16] second[7-8]')
copy = model.emptycopy()
copy.parse(str(model))
self.assertEqual(copy, model)
del model['foo']
# Static column
model.parse("foo: mine[10-15] second1")
model.parse("foo: mine[16] second1")
model.parse("foo: mine[16] second2")
self.assertEqual(len(model.get('foo')), 8)
self.assertEqual(str(model.elements('foo')), 'mine[10-16] second1\n'
'mine16 second2')
copy = model.emptycopy()
copy.parse(str(model))
self.assertEqual(copy, model)
del model['foo']
def testMultipleElement(self):
"""ModelFile with MultipleElement"""
model = ModelFile()
model.add_element('foos', check='digit', multiple=True)
# Default
self.assertEqual(model.get('foos', []), [])
# Multiple add()
model.add('foos', 3)
self.assertEqual(model.get('foos'), [3])
self.assertEqual(str(model), "foos:3")
model.add('foos', 5)
self.assertEqual(model.get('foos'), [3, 5])
self.assertEqual(str(model), "foos:3\nfoos:5")
def test_hash_model_element(self):
"""check 2 different model element have different hashes."""
model = ModelFile()
model.add_element('foo', check='string')
model.add_element('bar', check='string')
model2 = model.emptycopy()
model.parse('foo: foo1')
model.parse('bar: bar1')
model2.parse('foo: foofoo')
model2.parse('bar: barbar')
self.assertEqual(hash(model), hash(model))
self.assertEqual(hash(model2), hash(model2))
self.assertNotEqual(hash(model), hash(model2))
def testLoadModelFromFile(self):
"""load a ModelFile from file"""
model = ModelFile()
model.add_element("foo", check="string", multiple=True)
model.add_element("bar", check="digit", multiple=True)
testfile = makeTempFile("""foo: my test
bar: 3
foo: another
bar: 1
bar: 2""")
model.load(testfile.name)
self.assertEqual(model.get('foo'), ['my test', 'another'])
self.assertEqual(model.get('bar'), [3, 1, 2])
# Bad file syntax
testfile = makeTempFile("""foo bad file""")
self.assertRaises(ModelFileValueError, model.load, testfile.name)
def testCompoundElement(self):
"""test a ModelFile with a compound element"""
class MyCompound(ModelFile):
def __init__(self, sep='=', linesep=' '):
ModelFile.__init__(self, sep, linesep)
self.add_element('dev', check='path')
self.add_element('index', check='digit')
self.add_element('jdev', check='path')
self.add_element('mode',
check='enum',
default='managed',
values=['managed', 'external'])
elem = MyCompound()
elem.parse("dev=/dev/sdb jdev=/dev/sdc index=4")
self.assertEqual(elem.get('dev'), '/dev/sdb')
self.assertEqual(elem.get('jdev'), '/dev/sdc')
self.assertEqual(elem.get('index'), 4)
self.assertEqual(elem.get('mode'), 'managed')
model = ModelFile()
model.add_element('fsname', check='string')
model.add_custom('mgt', MyCompound(), multiple=True)
model.add_custom('mdt', MyCompound(), multiple=True)
model.add_custom('ost', MyCompound(), multiple=True)
model.parse("ost: dev=/dev/sdb index=4")
self.assertEqual(len(model.get('ost')), 1)
self.assertEqual(model.get('ost')[0].get('dev'), '/dev/sdb')
self.assertEqual(model.get('ost')[0].get('index'), 4)
model.parse("ost: dev=/dev/sdd index=5")
self.assertEqual(len(model.get('ost')), 2)
self.assertEqual(model.get('ost')[1].get('dev'), '/dev/sdd')
self.assertEqual(model.get('ost')[1].get('index'), 5)
# test hexadecimal index
model.parse("ost: dev=/dev/sde index=0x12")
self.assertEqual(len(model.get('ost')), 3)
self.assertEqual(model.get('ost')[2].get('dev'), '/dev/sde')
self.assertEqual(model.get('ost')[2].get('index'), 18)
self.assertEqual(
str(model), "ost:index=4 dev=/dev/sdb\n"
"ost:index=5 dev=/dev/sdd\n"
"ost:index=18 dev=/dev/sde")
def testModelElementManagement(self):
"""add/del elements to a model file"""
model = ModelFile()
# Add an element
model.add_element('foo', check='path')
# Add another element with the same key raises an error
self.assertRaises(KeyError, model.add_element, 'foo', check='string')
# is_element() accessors
self.assertTrue(model.is_element('foo'))
# Undeclared an element
model.del_element('foo')
self.assertRaises(KeyError, model.del_element, 'foo')
# Re-add an element
model.add_element('foo', check='digit')
def testModelBaseMethods(self):
"""test ModelFile base methods"""
model = ModelFile()
# content() with a default value
self.assertEqual(model.content('default'), 'default')
model.add_element('foo', check='string', multiple=True)
# get() with a default value
self.assertEqual(model.get('foo', 'default'), 'default')
# Only key with non-empty value are taken in account
self.assertEqual(len(model), 0)
# parse() bad syntax
self.assertRaises(ModelFileValueError, model.parse, "foo one two")
# parse() with good syntax, but unknown key
self.assertRaises(ModelFileValueError, model.parse, "good: syntax")
# __contains__() False
self.assertFalse('foo' in model)
# iter()
model.add('foo', "5 6")
model.add('foo', "6 7")
self.assertEqual(list(iter(model)), ['foo'])
# __contains__() True
self.assertTrue('foo' in model)
# replace()
model.replace('foo', "other")
self.assertEqual(model.get('foo'), ['other'])
# __eq__()
other = model.emptycopy()
self.assertNotEqual(model, other)
other.add("foo", "other")
self.assertEqual(model, other)
self.assertNotEqual(model, "bad type object")
def testDiffSimpleElement(self):
"""diff between 2 modelfiles with a SimpleElement"""
model = ModelFile()
model.add_element('name', check='string')
model2 = model.emptycopy()
# Empty models have no difference
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# Same model have no difference
model.add('name', 'foo')
model2.add('name', 'foo')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# A value changed
del model2['name']
model2.add('name', 'bar')
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {'name': 'bar'})
# A value added
del model['name']
added, changed, removed = model.diff(model2)
self.assertEqual(added.as_dict(), {'name': 'bar'})
self.assertEqual(removed.as_dict(), {})
self.assertEqual(changed.as_dict(), {})
# A value removed
added, changed, removed = model2.diff(model)
self.assertEqual(added.as_dict(), {})
self.assertEqual(removed.as_dict(), {'name': 'bar'})
self.assertEqual(changed.as_dict(), {})
def testAddCustomElement(self):
"""model file uses a user-defined Element"""
class ElemNodeSet(SimpleElement):
def __init__(self, check='string', default=None, values=None):
SimpleElement.__init__(self, 'string', default, values)
def _validate(self, value):
try:
return NodeSet(value)
except:
raise ModelFileValueError
model = ModelFile()
model.add_custom('nodes', ElemNodeSet(), multiple=True)
model.add_custom('nids', ElemNodeSet(), multiple=True)
model.add('nodes', 'foo[1-5]')
self.assertEqual(str(model), "nodes:foo[1-5]")
self.assertEqual([str(item) for item in model.get('nodes')],
[str(NodeSet('foo[1-5]'))])
self.assertRaises(ModelFileValueError, model.add, 'nodes', 'bad[15')
def test_expand_range(self):
"""parse ranged line expand correctly"""
model = ModelFile()
model.add_element("foo", check="string", multiple=True)
model.parse("foo: mine[10-15]")
self.assertEqual(len(model.get('foo')), 6)
del model['foo']
model.parse("foo: mine[10-15] second[1-6]")
self.assertEqual(len(model.get('foo')), 6)
del model['foo']
# Range supports padding
model.parse('foo: bar[01-02]')
self.assertEqual(model.get('foo'), ['bar01', 'bar02'])
del model['foo']
# Ranges mismatch
self.assertRaises(ModelFileValueError, model.parse,
"foo: five[1-5] two[1-2]")
def testModelStandardElement(self):
"""ModelFile with simple Element"""
model = ModelFile()
# Type string
model.add_element('name', check='string')
self.assertEqual(model.get('name', 'mine'), 'mine')
model.add('name', 'foo')
self.assertEqual(model.get('name'), 'foo')
self.assertEqual(str(model), "name:foo")
# Default value
model.add_element('bar', check='string', default='barbar')
self.assertEqual(model.get('bar'), 'barbar')
self.assertEqual(model.get('bar', 'mine'), 'barbar')
# Default value are not used for string representation
self.assertEqual(str(model), "name:foo")
# Type digit
model.add_element('stripe_count', check='digit', default=1)
self.assertEqual(model.get('stripe_count'), 1)
model.add('stripe_count', 2)
self.assertEqual(model.get('stripe_count'), 2)
self.assertEqual(str(model), "name:foo\nstripe_count:2")
def testNoDeclarationError(self):
"""use of a non-declared element raises an error"""
model = ModelFile()
self.assertRaises(KeyError, model.get, 'foo')
