Merge pull request #163 from datacamp/spec-unit-tests

Spec unit tests

Author: Filip Schouwenaars

tests/test_test_function_definition.py

@@ -743,6 +743,8 @@ def my_fun(x, y = 4, z = ('a', 'b'), *args, **kwargs):
         self.SCT_CHECK_ONE = "Ex().check_function_def('my_fun').check_args(1)"
         self.SCT_CHECK_Y = "Ex().check_function_def('my_fun').check_args('y')"
         self.SCT_CHECK_X = "Ex().check_function_def('my_fun').check_args('x')"
+        self.SCT_CHECK_ARGS = "Ex().check_function_def('my_fun').check_args('*args')"
+        self.SCT_CHECK_KWARGS = "Ex().check_function_def('my_fun').check_args('**kwargs')"
 
     def when_code_is_sol(self):
         self.data['DC_CODE'] = self.data['DC_SOLUTION']
@@ -782,6 +784,30 @@ def test_fail_kw_not_default(self):
         self.data['DC_SCT'] = self.SCT_CHECK_X + ".is_default()"
         self.assertFalse(self.when_replace('x, y = 4', 'x = 2, y = 4'))
 
+    def test_fail_star_args_undef(self):
+        self.data['DC_CODE'] = """def my_fun(x, y = 4, z = ('a', 'b'), args=2, **kwargs): pass"""
+        self.data['DC_SCT'] = self.SCT_CHECK_ARGS
+        sct_payload = helper.run(self.data)
+        self.assertFalse(sct_payload['correct'])
+
+    def test_fail_star_args_name(self):
+        self.data['DC_CODE'] = """def my_fun(x, y = 4, z = ('a', 'b'), *wrongargsname, **kwargs): pass"""
+        self.data['DC_SCT'] = self.SCT_CHECK_ARGS + '.has_equal_name()'
+        sct_payload = helper.run(self.data)
+        self.assertFalse(sct_payload['correct'])
+
+    def test_fail_kwargs_undef(self):
+        self.data['DC_CODE'] = """def my_fun(x, y = 4, z = ('a', 'b'), args=2, kwargs=2): pass"""
+        self.data['DC_SCT'] = self.SCT_CHECK_KWARGS
+        sct_payload = helper.run(self.data)
+        self.assertFalse(sct_payload['correct'])
+
+    def test_fail_kwargs_name(self):
+        self.data['DC_CODE'] = """def my_fun(x, y = 4, z = ('a', 'b'), *args, **wrongkwargsname): pass"""
+        self.data['DC_SCT'] = self.SCT_CHECK_KWARGS + '.has_equal_name()'
+        sct_payload = helper.run(self.data)
+        self.assertFalse(sct_payload['correct'])
+
     def test_pass_equal_value(self):
         self.data['DC_SCT'] = self.SCT_CHECK_Y + ".has_equal_value('unequal values')"
         self.assertTrue(self.when_code_is_sol())
@@ -811,11 +837,12 @@ def test_fail_multi(self):
         self.data['DC_SCT'] = self.MULTI_SCT
         self.assertFalse(self.when_replace('x', 'x2'))
 
+
 class TestLambdaFunctionSpec2(TestFunctionSpec2):
     def setUp(self):
         super().setUp()
         self.data['DC_SOLUTION'] = "lambda x, y = 4, z = ('a', 'b'), *args, **kwargs: [x, y, *z, *args]"
-        for attr in ['MULTI_SCT', 'SCT_CHECK', 'SCT_KW', 'SCT_POS', 'SCT_CHECK_ONE', 'SCT_CHECK_Y', 'SCT_CHECK_X']:
+        for attr in ['MULTI_SCT', 'SCT_CHECK', 'SCT_KW', 'SCT_POS', 'SCT_CHECK_ONE', 'SCT_CHECK_Y', 'SCT_CHECK_X', 'SCT_CHECK_ARGS', 'SCT_CHECK_KWARGS']:
             lam_sct = getattr(self, attr).replace("check_function_def('my_fun')", 'check_lambda_function(0)')
             setattr(self, attr, lam_sct)
 

tests/test_test_wiki.py

@@ -186,7 +186,67 @@ def test_for_body():
         sct_payload = helper.run(self.data)
         self.assertTrue(sct_payload['correct'])
 
+class TestPartChecks(unittest.TestCase):
+    def test_pass_simple(self):
+        self.data = {
+                "DC_SOLUTION": '''
+L2 = [i*2 for i in range(0,10) if i>2]
+''',
+                "DC_SCT": '''
+list_comp = Ex().check_list_comp(0, missing_msg="Did you include a list comprehension?")
+list_comp.check_body().test_student_typed('i\*2')
+list_comp.check_iter().has_equal_value()
+list_comp.check_ifs(0).multi([has_equal_value(context_vals=[i]) for i in range(0,10)])
+'''
+                }
+        self.data["DC_CODE"] = "L2 = [i*2 for i in range(10) if i>2]"
+        sct_payload = helper.run(self.data)
+        self.assertTrue(sct_payload['correct'])
+
+    def test_pass_complex1(self):
+        self.data = {
+                "DC_SOLUTION": """L3 = [i*2 if i> 5 else 0 for i in range(0,10)]""",
+                "DC_SCT": """
+(Ex().check_list_comp(0)                            # first comptehension
+        .check_body()                               # comp's body
+        .set_context(i=6)
+                .check_if_exp(0)                    # body's inline if
+                .has_equal_value()                  
+        )
+"""
+                }
+        self.data['DC_CODE'] = self.data['DC_SOLUTION']
+        sct_payload = helper.run(self.data)
+        self.assertTrue(sct_payload['correct'])
+
+    def test_fail_complex1(self):
+        self.data = {
+                "DC_SOLUTION": """L3 = [i*2 if i> 5 else 0 for i in range(0,10)]""",
+                "DC_SCT": """
+(Ex().check_list_comp(0)                            # first comptehension
+        .check_body()                               # comp's body
+        .set_context(i=6)
+                .check_if_exp(0)                    # body's inline if
+                .has_equal_value()                  
+        )
+"""
+                }
+        self.data['DC_CODE'] = """L3 = [i*2 for i in range(0,10)]"""  # no inline if
+        sct_payload = helper.run(self.data)
+        self.assertFalse(sct_payload['correct'])
 
+    def test_pass_complex2(self):
+        self.data = {
+                "DC_SOLUTION": """L3 = [i*2 if i> 5 else 0 for i in range(0,10)]""",
+                "DC_SCT": """
+(Ex().check_list_comp(0)                            # first comptehension
+        .check_body().set_context(i=6).has_equal_value()                  
+        )
+"""
+                }
+        self.data['DC_CODE'] = self.data['DC_SOLUTION']
+        sct_payload = helper.run(self.data)
+        self.assertTrue(sct_payload['correct'])
 
 if __name__ == "__main__":
     unittest.main()