new files in days 07-09

Author: ushills

days/07-09-data-structures/code/cars.py

@@ -0,0 +1,40 @@
+cars = {
+    'Ford': ['Falcon', 'Focus', 'Festiva', 'Fairlane'],
+    'Holden': ['Commodore', 'Captiva', 'Barina', 'Trailblazer'],
+    'Nissan': ['Maxima', 'Pulsar', '350Z', 'Navara'],
+    'Honda': ['Civic', 'Accord', 'Odyssey', 'Jazz'],
+    'Jeep': ['Grand Cherokee', 'Cherokee', 'Trailhawk', 'Trackhawk']
+}
+
+
+def get_all_jeeps():
+    jeeps = cars['Jeep']
+    models = ', '.join(jeeps)
+    return models
+
+
+def get_first_model_each_manufacturer():
+    firstmodels = []
+    for maker in cars:
+        models = cars[maker]
+        firstmodels.append(models[0])
+    return firstmodels
+
+
+def get_all_matching_models(grep='trail'):
+    search_result = []
+    for models in cars.values():
+        for model in models:
+            if grep.lower() in model.lower():
+                search_result.append(model)
+    search_result.sort()
+    return search_result
+
+
+def sort_car_models():
+    new_cars = {}
+    for maker in cars:
+        models = cars[maker]
+        models.sort()
+        new_cars[maker] = models
+    return new_cars

days/07-09-data-structures/code/test_cars.py

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+from cars import (get_all_jeeps, get_first_model_each_manufacturer,
+                  get_all_matching_models, sort_car_models)
+
+
+def test_get_all_jeeps():
+    expected = 'Grand Cherokee, Cherokee, Trailhawk, Trackhawk'
+    actual = get_all_jeeps()
+    assert type(actual) == str
+    assert actual == expected
+
+
+def test_get_first_model_each_manufacturer():
+    actual = get_first_model_each_manufacturer()
+    expected = ['Falcon', 'Commodore', 'Maxima', 'Civic', 'Grand Cherokee']
+    assert actual == expected
+
+
+def test_get_all_matching_models():
+    expected = ['Trailblazer', 'Trailhawk']
+    assert get_all_matching_models() == expected
+    expected = ['Accord', 'Commodore', 'Falcon']
+    assert get_all_matching_models(grep='CO') == expected
+
+
+def test_sort_dict_alphabetically():
+    actual = sort_car_models()
+    # Order of keys should not matter, two dicts are equal if they have the
+    # same keys and the same values.
+    # The car models (values) need to be sorted here though
+    expected = {
+        'Ford': ['Fairlane', 'Falcon', 'Festiva', 'Focus'],
+        'Holden': ['Barina', 'Captiva', 'Commodore', 'Trailblazer'],
+        'Honda': ['Accord', 'Civic', 'Jazz', 'Odyssey'],
+        'Jeep': ['Cherokee', 'Grand Cherokee', 'Trackhawk', 'Trailhawk'],
+        'Nissan': ['350Z', 'Maxima', 'Navara', 'Pulsar'],
+    }
+    assert actual == expected