[Guido's Gorgeous Lasagna] Fixed bug with lasagna ImportError message extraction.

runner/__init__.py

@@ -146,7 +146,7 @@ def pytest_exception_interact(self, node, call, report):
             err = excinfo.getrepr(style="no", abspath=False)
 
             # trim off full traceback for first exercise to be friendlier and clearer
-            if 'Lasagna' in node.name and 'ImportError' in str(err.chain[0]):
+            if 'lasagna' in node.name and 'ImportError' in str(err.chain[0]):
                 trace = err.chain[-2][0]
             else:
                 trace = err.chain[-1][0]

test/example-lasagna-constant-import-error/example_lasagna_constant_import_error.py

@@ -0,0 +1,30 @@
+"""Functions used in preparing Guido's gorgeous lasagna.
+
+Learn about Guido, the creator of the Python language: https://en.wikipedia.org/wiki/Guido_van_Rossum
+"""
+
+# TODO: define the 'EXPECTED_BAKE_TIME' constant
+# TODO: consider defining the 'PREPARATION_TIME' constant
+#       equal to the time it takes to prepare a single layer
+
+
+# TODO: define the 'bake_time_remaining()' function
+def bake_time_remaining():
+    """Calculate the bake time remaining.
+
+    :param elapsed_bake_time: int - baking time already elapsed.
+    :return: int - remaining bake time (in minutes) derived from 'EXPECTED_BAKE_TIME'.
+
+    Function that takes the actual minutes the lasagna has been in the oven as
+    an argument and returns how many minutes the lasagna still needs to bake
+    based on the `EXPECTED_BAKE_TIME`.
+    """
+
+    pass
+
+
+# TODO: define the 'preparation_time_in_minutes()' function
+#       and consider using 'PREPARATION_TIME' here
+
+
+# TODO: define the 'elapsed_time_in_minutes()' function

test/example-lasagna-constant-import-error/example_lasagna_constant_import_error_test.py

@@ -0,0 +1,26 @@
+import unittest
+import pytest
+
+# For this first exercise, it is really important to be clear about how we are importing names for tests.
+# To that end, we are putting a try/catch around imports and throwing specific messages to help students
+# decode that they need to create and title their constants and functions in a specific way.
+try:
+    from example_lasagna_constant_import_error import (EXPECTED_BAKE_TIME,
+                         bake_time_remaining,
+                         preparation_time_in_minutes,
+                         elapsed_time_in_minutes)
+
+# Here, we are separating the constant import errors from the function name import errors
+except ImportError as import_fail:
+    message = import_fail.args[0].split('(', maxsplit=1)
+    item_name = import_fail.args[0].split()[3]
+
+    if 'EXPECTED_BAKE_TIME' in item_name:
+        # pylint: disable=raise-missing-from
+        raise ImportError(f'\n\nMISSING CONSTANT --> \nWe can not find or import the constant {item_name} in your'
+                          " 'lasagna.py' file.\nDid you misname or forget to define it?") from None
+    else:
+        item_name = item_name[:-1] + "()'"
+        # pylint: disable=raise-missing-from
+        raise ImportError("\n\nMISSING FUNCTION --> In your 'lasagna.py' file, we can not find or import the"
+                          f' function named {item_name}. \nDid you misname or forget to define it?') from None

test/example-lasagna-constant-import-error/results.json

@@ -0,0 +1,6 @@
+{
+  "version": 3,
+  "status": "error",
+  "message": "ImportError: \n\nMISSING CONSTANT --> \nWe can not find or import the constant 'EXPECTED_BAKE_TIME' in your 'lasagna.py' file.\nDid you misname or forget to define it?",
+  "tests": []
+}

test/example-lasagna-function-import-error/example_lasagna_function_import_error.py

@@ -0,0 +1,23 @@
+"""Functions used in preparing Guido's gorgeous lasagna.
+
+Learn about Guido, the creator of the Python language: https://en.wikipedia.org/wiki/Guido_van_Rossum
+"""
+
+
+EXPECTED_BAKE_TIME = 40
+PREPARATION_TIME = 2
+
+
+# TODO: define the 'bake_time_remaining()' function (misspelled here on purpose)
+def bake_time():
+    """Calculate the bake time remaining.
+
+    :param elapsed_bake_time: int - baking time already elapsed.
+    :return: int - remaining bake time (in minutes) derived from 'EXPECTED_BAKE_TIME'.
+
+    Function that takes the actual minutes the lasagna has been in the oven as
+    an argument and returns how many minutes the lasagna still needs to bake
+    based on the `EXPECTED_BAKE_TIME`.
+    """
+
+    pass

test/example-lasagna-function-import-error/example_lasagna_function_import_error_test.py

@@ -0,0 +1,26 @@
+import unittest
+import pytest
+
+# For this first exercise, it is really important to be clear about how we are importing names for tests.
+# To that end, we are putting a try/catch around imports and throwing specific messages to help students
+# decode that they need to create and title their constants and functions in a specific way.
+try:
+    from example_lasagna_function_import_error import (EXPECTED_BAKE_TIME,
+                         bake_time_remaining,
+                         preparation_time_in_minutes,
+                         elapsed_time_in_minutes)
+
+# Here, we are separating the constant import errors from the function name import errors
+except ImportError as import_fail:
+    message = import_fail.args[0].split('(', maxsplit=1)
+    item_name = import_fail.args[0].split()[3]
+
+    if 'EXPECTED_BAKE_TIME' in item_name:
+        # pylint: disable=raise-missing-from
+        raise ImportError(f'\n\nMISSING CONSTANT --> \nWe can not find or import the constant {item_name} in your'
+                          " 'lasagna.py' file.\nDid you misname or forget to define it?") from None
+    else:
+        item_name = item_name[:-1] + "()'"
+        # pylint: disable=raise-missing-from
+        raise ImportError("\n\nMISSING FUNCTION --> In your 'lasagna.py' file, we can not find or import the"
+                          f' function named {item_name}. \nDid you misname or forget to define it?') from None

test/example-lasagna-function-import-error/results.json

@@ -0,0 +1,6 @@
+{
+  "version": 3,
+  "status": "error",
+  "message": "ImportError: \n\nMISSING FUNCTION --> In your 'lasagna.py' file, we can not find or import the function named 'bake_time_remaining()'. \nDid you misname or forget to define it?",
+  "tests": []
+}