def test_increment(self):
# SETUP
code = """\
i = 1
i += 1
"""
expected_report = """\
i = 1
i = 2 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_increment(self):
# SETUP
code = """\
i = 1
i += 1
"""
expected_report = """\
i = 1
i = 2 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_method_call(self):
# SETUP
code = """\
a = [2, 1]
a.sort()
a.sort() # second call makes no change, nothing printed
"""
expected_report = """\
a = [2, 1]
a = [1, 2] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_method_call(self):
# SETUP
code = """\
a = [2, 1]
a.sort()
a.sort() # second call makes no change, nothing printed
"""
expected_report = """\
a = [2, 1]
a = [1, 2] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_mutable(self):
# SETUP
code = """\
a = [1, 2, [3, 4]]
a[0] = 9
a[2][1] = 8
"""
expected_report = """\
a = [1, 2, [3, 4]]
a = [9, 2, [3, 4]]
a = [9, 2, [3, 8]] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_loop(self):
# SETUP
code = """\
i = 1
for j in range(3):
i += j
"""
expected_report = """\
i = 1
j = 0 | j = 1 | j = 2
i = 1 | i = 2 | i = 4 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_mutable(self):
# SETUP
code = """\
a = [1, 2, [3, 4]]
a[0] = 9
a[2][1] = 8
"""
expected_report = """\
a = [1, 2, [3, 4]]
a = [9, 2, [3, 4]]
a = [9, 2, [3, 8]] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_loop(self):
# SETUP
code = """\
i = 1
for j in range(3):
i += j
"""
expected_report = """\
i = 1
j = 0 | j = 1 | j = 2
i = 1 | i = 2 | i = 4 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_nested_loop(self):
# SETUP
code = """\
n = 0
for i in range(2):
n += i
for j in range(3):
n += j
"""
expected_report = """\
n = 0
i = 0 | i = 1
n = 0 | n = 4
j = 0 | j = 1 | j = 2 | j = 0 | j = 1 | j = 2
n = 0 | n = 1 | n = 3 | n = 4 | n = 5 | n = 7 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_multivalue_yield(self):
# SETUP
code = """\
def foo():
yield 1, 2
for x in foo():
pass
"""
expected_report = """\
yield 1, 2
x = (1, 2) """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_nested_loop(self):
# SETUP
code = """\
n = 0
for i in range(2):
n += i
for j in range(3):
n += j
"""
expected_report = """\
n = 0
i = 0 | i = 1
n = 0 | n = 4
j = 0 | j = 1 | j = 2 | j = 0 | j = 1 | j = 2
n = 0 | n = 1 | n = 3 | n = 4 | n = 5 | n = 7 """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_multivalue_yield(self):
# SETUP
code = """\
def foo():
yield 1, 2
for x in foo():
pass
"""
expected_report = """\
yield 1, 2
x = (1, 2) """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_nested_method_call(self):
# SETUP
code = """\
class Foo(object):
pass
f = Foo()
f.items = []
f.items.append(2)
"""
expected_report = """\
f.items = []
f.items = [2] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())
def test_nested_method_call(self):
# SETUP
code = """\
class Foo(object):
pass
f = Foo()
f.items = []
f.items.append(2)
"""
expected_report = """\
f.items = []
f.items = [2] """
# EXEC
report = CodeTracer().trace_code(code)
# VERIFY
self.assertEqual(expected_report.splitlines(), report.splitlines())