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#!/usr/bin/env python
import setpath
import unittest
import os
from bike import testdata
from bike.testutils import *
from bike.query.findReferences import findReferences
from bike.parsing.fastparserast import Module
class TestGetReferencesToClass(BRMTestCase):
def test_returnsEmptyListIfNoReferences(self):
src = trimLines("""
class MyClass:
pass
a = TheClass()
""")
root = createSourceNodeAt(src,"mymodule")
refs = [x for x in findReferences(os.path.abspath("mymodule.py"),1,6)]
self.assertEqual(refs,[])
def test_findsSimpleReferenceInSameModule(self):
src = trimLines("""
class TheClass:
pass
a = TheClass()
""")
root = createSourceNodeAt(src,"mymodule")
refs = [x for x in findReferences(os.path.abspath("mymodule.py"),1,6)]
self.assertEqual(refs[0].filename,os.path.abspath("mymodule.py"))
self.assertEqual(refs[0].lineno,3)
self.assertEqual(refs[0].colno,4)
self.assertEqual(refs[0].confidence,100)
def test_findsReferencesInModuleWhichImportsClass(self):
src = trimLines("""
import b.bah
def foo():
a = b.bah.TheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
refs = [x for x in findReferences(os.path.abspath("a/b/bah.py"),1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,3)
self.assertEqual(refs[0].colno,14)
self.assertEqual(refs[0].confidence,100)
def test_findsReferenceInModuleWhichImportsClassWithFrom(self):
src = trimLines("""
from b.bah import TheClass
def foo():
a = TheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,1)
self.assertEqual(refs[0].colno,18)
self.assertEqual(refs[0].confidence,100)
self.assertEqual(refs[1].filename,os.path.abspath(os.path.join("a/foo.py")))
self.assertEqual(refs[1].lineno,3)
self.assertEqual(refs[1].colno,8)
self.assertEqual(refs[1].confidence,100)
def test_findsReferenceToClassImportedInSameClassScope(self):
src=trimLines("""
class AnotherClass:
from b.bah import TheClass
TheClass.baz = 0
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
assert refs != []
def test_findsReferenceInModuleWhichImportsClassWithFromAndAlias(self):
src = trimLines("""
from b.bah import TheClass as MyTheClass
def foo():
a = MyTheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,1)
self.assertEqual(refs[0].colno,18)
self.assertEqual(refs[0].confidence,100)
def test_findsReferenceInModuleWhichImportsClassWithImportAs(self):
src = trimLines("""
from b.bah import TheClass as MyTheClass
def foo():
a = MyTheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,1)
self.assertEqual(refs[0].colno,18)
self.assertEqual(refs[0].confidence,100)
def test_findsReferenceInModuleWhichImportsClassWithFromImportStar(self):
src = trimLines("""
from b.bah import *
a = TheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,2)
self.assertEqual(refs[0].colno,4)
self.assertEqual(refs[0].confidence,100)
def test_findsReferenceInModuleWhichImportsClassWithFromImportStar2(self):
src = trimLines("""
from a.b.bah import *
a = TheClass()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,2)
self.assertEqual(refs[0].colno,4)
self.assertEqual(refs[0].confidence,100)
def test_findsClassReferenceInInstanceCreation(self):
src = trimLines("""
class TheClass:
def theMethod(self): pass
TheClass().theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
filename = os.path.abspath("a/foo.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,3)
self.assertEqual(refs[0].colno,0)
self.assertEqual(refs[0].confidence,100)
def test_findsClassReferenceInInstanceCreationWithFQN(self):
src = trimLines("""
import b.bah
def foo():
a = b.bah.TheClass()
a.theMethod()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,3)
self.assertEqual(refs[0].colno,14)
self.assertEqual(refs[0].confidence,100)
def test_doesntfindReferenceInModuleWhichDoesntImportClass(self):
src = trimLines("""
a = TheClass()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
assert refs == []
def test_findsReferenceInClassBases(self):
src =trimLines("""
from b.bah import TheClass
class DerivedClass(TheClass):
pass
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[1].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[1].lineno,2)
self.assertEqual(refs[1].colno,19)
self.assertEqual(refs[1].confidence,100)
def test_findsReferenceInMultiLineImportStatement(self):
src =trimLines("""
from b.bah import foo, \\
TheFooBah, TheClass, Foobah, SomethingElse
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,2)
self.assertEqual(refs[0].colno,21)
self.assertEqual(refs[0].confidence,100)
def test_findsReferenceWhenModulenameSameAsClassMethodName(self):
# asserts that brm doesnt search class scope after not finding name
# in method scope (since class scope is invisible unless called on 'self'
src =trimLines("""
from a.b import bah
class baz:
def bah(self):
print bah.TheClass
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
self.assertEqual(refs[0].filename,os.path.abspath(os.path.join("a","foo.py")))
self.assertEqual(refs[0].lineno,4)
self.assertEqual(refs[0].colno,18)
self.assertEqual(refs[0].confidence,100)
def test_doesntBarfOnFromImportStarWhenNameIsInFromClause(self):
src = trimLines("""
from a.b.bah import TheClass
a = TheClass()
""")
root = createSourceNodeAt(src, "a.foo")
root = createSourceNodeAt(ClassTestdata, "a.b.bah")
filename = os.path.abspath("a/b/bah.py")
refs = [x for x in findReferences(filename,1,6)]
ClassTestdata = trimLines("""
class TheClass:
def theMethod(self):
pass
def differentMethod(self):
pass
class DifferentClass:
def theMethod(self):
pass
""")
if __name__ == "__main__":
unittest.main()
|
