def test_get_referenced_varpaths(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ])', self.top.a)
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.x','a.a1d']))
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.contlist']))
ex.scope = self.top.comp
ex.text = 'comp.contlist[1]'
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.contlist']))
def test_resolve(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ])', self.top)
self.assertEqual(ex.check_resolve(), True)
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.check_resolve(), True)
ex.scope = self.top.comp
ex.text = 'contlist[1]'
self.assertEqual(ex.check_resolve(), True)
ex.text = 'contlist[1]-foo.flambe'
self.assertEqual(ex.check_resolve(), False)
def test_resolve(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ])', self.top)
self.assertEqual(ex.check_resolve(), True)
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.check_resolve(), True)
ex.scope = self.top.comp
ex.text = 'contlist[1]'
self.assertEqual(ex.check_resolve(), True)
ex.text = 'contlist[1]-foo.flambe'
self.assertEqual(ex.check_resolve(), False)
def test_get_referenced_varpaths(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ])',
self.top.a)
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.x',
'a.a1d']))
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.contlist']))
ex.scope = self.top.comp
ex.text = 'comp.contlist[1]'
self.assertEqual(ex.get_referenced_varpaths(), set(['comp.contlist']))
def test_slice(self):
ex = ExprEvaluator('a1d[1::2]', self.top.a)
self.assertTrue(all(array([2., 4., 6.]) == ex.evaluate()))
ex.text = 'a1d[2:4]'
self.assertTrue(all(array([3., 4.]) == ex.evaluate()))
ex.text = 'a1d[2:]'
self.assertTrue(all(array([3., 4., 5., 6.]) == ex.evaluate()))
ex.text = 'a1d[::-1]'
self.assertTrue(all(array([6., 5., 4., 3., 2., 1.]) == ex.evaluate()))
ex.text = 'a1d[:2]'
self.assertTrue(all(array([1., 2.]) == ex.evaluate()))
def test_slice(self):
ex = ExprEvaluator('a1d[1::2]', self.top.a)
self.assertTrue(all(numpy.array([2.,4.,6.]) == ex.evaluate()))
ex.text = 'a1d[2:4]'
self.assertTrue(all(numpy.array([3.,4.]) == ex.evaluate()))
ex.text = 'a1d[2:]'
self.assertTrue(all(numpy.array([3.,4.,5.,6.]) == ex.evaluate()))
ex.text = 'a1d[::-1]'
self.assertTrue(all(numpy.array([6.,5.,4.,3.,2.,1.]) == ex.evaluate()))
ex.text = 'a1d[:2]'
self.assertTrue(all(numpy.array([1.,2.]) == ex.evaluate()))
def test_get_referenced_compnames(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ].foobar)', self.top.a)
self.assertEqual(ex.get_referenced_compnames(), set(['comp', 'a']))
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.scope = self.top.comp
ex.text = 'comp.contlist[1]'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.text = 'comp.contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.text = 'contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set())
ex.text = 'asm2.comp3.contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set(['asm2']))
def test_get_referenced_compnames(self):
ex = ExprEvaluator('comp.x[0] = 10*(3.2+ a.a1d[3]* 1.1*a.a1d[2 ].foobar)', self.top.a)
self.assertEqual(ex.get_referenced_compnames(), set(['comp', 'a']))
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.scope = self.top.comp
ex.text = 'comp.contlist[1]'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.text = 'comp.contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set(['comp']))
ex.text = 'contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set())
ex.text = 'asm2.comp3.contlist[1].foo'
self.assertEqual(ex.get_referenced_compnames(), set(['asm2']))
def test_reparse_on_scope_change(self):
self.top.comp.x = 99.5
self.top.comp.y = -3.14
ex = ExprEvaluator('comp.x', self.top)
self.assertEqual(99.5, ex.evaluate())
self.assertEqual(new_text(ex), "scope.get('comp.x')")
ex.scope = self.top.a
try:
ex.set(0.5)
except AttributeError as err:
self.assertEqual(str(err), "a: object has no attribute 'comp.x'")
else:
self.fail("AttributeError expected")
self.assertEqual(new_text(ex), "scope.get('comp.x')")
self.assertEqual(99.5,
ex.evaluate(self.top)) # set scope back to self.top
self.assertEqual(new_text(ex), "scope.get('comp.x')")
ex.text = 'comp.y'
try:
ex.evaluate(self.top.a)
except AttributeError as err:
self.assertEqual(
str(err), "can't evaluate expression 'comp.y':"
" a: 'A' object has no attribute 'comp'")
else:
self.fail("AttributeError expected")
ex.scope = self.top
ex.set(11.1)
self.assertEqual(11.1, self.top.comp.y)
self.assertEqual(new_text(ex), "scope.get('comp.y')")
def test_reparse_on_scope_change(self):
self.top.comp.x = 99.5
self.top.comp.y = -3.14
ex = ExprEvaluator('comp.x', self.top)
self.assertEqual(99.5, ex.evaluate())
self.assertEqual(new_text(ex), "scope.get('comp.x')")
ex.scope = self.top.a
try:
ex.set(0.5)
except AttributeError as err:
self.assertEqual(str(err), "a: object has no attribute 'comp.x'")
else:
self.fail("AttributeError expected")
self.assertEqual(new_text(ex), "scope.get('comp.x')")
self.assertEqual(99.5, ex.evaluate(self.top)) # set scope back to self.top
self.assertEqual(new_text(ex), "scope.get('comp.x')")
ex.text = 'comp.y'
try:
ex.evaluate(self.top.a)
except AttributeError as err:
self.assertEqual(str(err), "can't evaluate expression 'comp.y':"
" a: 'A' object has no attribute 'comp'")
else:
self.fail("AttributeError expected")
ex.scope = self.top
ex.set(11.1)
self.assertEqual(11.1, self.top.comp.y)
self.assertEqual(new_text(ex), "scope.get('comp.y')")
def test_no_scope(self):
ex = ExprEvaluator('abs(-3)+int(2.3)+math.floor(5.4)')
self.assertEqual(ex.evaluate(), 10.0)
ex.text = 'comp.x'
try:
ex.evaluate()
except Exception, err:
self.assertEqual(str(err), "can't evaluate expression 'comp.x': expression has no scope")
def test_no_scope(self):
ex = ExprEvaluator('abs(-3)+int(2.3)+math.floor(5.4)')
self.assertEqual(ex.evaluate(), 10.0)
ex.text = 'comp.x'
try:
ex.evaluate()
except Exception, err:
self.assertEqual(str(err), "can't evaluate expression 'comp.x':"
" 'NoneType' object has no attribute 'get'")
def test_no_scope(self):
ex = ExprEvaluator('abs(-3)+int(2.3)+math.floor(5.4)')
self.assertEqual(ex.evaluate(), 10.0)
ex.text = 'comp.x'
try:
ex.evaluate()
except Exception, err:
self.assertEqual(str(err), "can't evaluate expression 'comp.x':"
" 'NoneType' object has no attribute 'get'")
def test_no_scope(self):
ex = ExprEvaluator('abs(-3)+int(2.3)+math.floor(5.4)')
self.assertEqual(ex.evaluate(), 10.0)
ex.text = 'comp.x'
try:
ex.evaluate()
except Exception, err:
self.assertEqual(
str(err),
"can't evaluate expression 'comp.x': expression has no scope")
def test_assignee(self):
ex = ExprEvaluator('a1d[3]*a1d[2 ]', self.top.a)
self.assertEqual(ex.is_valid_assignee(), False)
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.is_valid_assignee(), True)
def test_assignee(self):
ex = ExprEvaluator('a1d[3]*a1d[2 ]', self.top.a)
self.assertEqual(ex.is_valid_assignee(), False)
ex.text = 'comp.contlist[1].a2d[2][1]'
self.assertEqual(ex.is_valid_assignee(), True)