diff --git a/python/kindergarten-garden/.exercism/metadata.json b/python/kindergarten-garden/.exercism/metadata.json new file mode 100644 index 0000000..3550700 --- /dev/null +++ b/python/kindergarten-garden/.exercism/metadata.json @@ -0,0 +1 @@ +{"track":"python","exercise":"kindergarten-garden","id":"860766a18d484ef3922418d7416b519f","url":"https://exercism.io/my/solutions/860766a18d484ef3922418d7416b519f","handle":"Xevion","is_requester":true,"auto_approve":false} \ No newline at end of file diff --git a/python/kindergarten-garden/README.md b/python/kindergarten-garden/README.md new file mode 100644 index 0000000..61abb30 --- /dev/null +++ b/python/kindergarten-garden/README.md @@ -0,0 +1,109 @@ +# Kindergarten Garden + +Given a diagram, determine which plants each child in the kindergarten class is +responsible for. + +The kindergarten class is learning about growing plants. The teacher +thought it would be a good idea to give them actual seeds, plant them in +actual dirt, and grow actual plants. + +They've chosen to grow grass, clover, radishes, and violets. + +To this end, the children have put little cups along the window sills, and +planted one type of plant in each cup, choosing randomly from the available +types of seeds. + +```text +[window][window][window] +........................ # each dot represents a cup +........................ +``` + +There are 12 children in the class: + +- Alice, Bob, Charlie, David, +- Eve, Fred, Ginny, Harriet, +- Ileana, Joseph, Kincaid, and Larry. + +Each child gets 4 cups, two on each row. Their teacher assigns cups to +the children alphabetically by their names. + +The following diagram represents Alice's plants: + +```text +[window][window][window] +VR...................... +RG...................... +``` + +In the first row, nearest the windows, she has a violet and a radish. In the +second row she has a radish and some grass. + +Your program will be given the plants from left-to-right starting with +the row nearest the windows. From this, it should be able to determine +which plants belong to each student. + +For example, if it's told that the garden looks like so: + +```text +[window][window][window] +VRCGVVRVCGGCCGVRGCVCGCGV +VRCCCGCRRGVCGCRVVCVGCGCV +``` + +Then if asked for Alice's plants, it should provide: + +- Violets, radishes, violets, radishes + +While asking for Bob's plants would yield: + +- Clover, grass, clover, clover + +## Exception messages + +Sometimes it is necessary to raise an exception. When you do this, you should include a meaningful error message to +indicate what the source of the error is. This makes your code more readable and helps significantly with debugging. Not +every exercise will require you to raise an exception, but for those that do, the tests will only pass if you include +a message. + +To raise a message with an exception, just write it as an argument to the exception type. For example, instead of +`raise Exception`, you should write: + +```python +raise Exception("Meaningful message indicating the source of the error") +``` + +## Running the tests + +To run the tests, run the appropriate command below ([why they are different](https://github.com/pytest-dev/pytest/issues/1629#issue-161422224)): + +- Python 2.7: `py.test kindergarten_garden_test.py` +- Python 3.4+: `pytest kindergarten_garden_test.py` + +Alternatively, you can tell Python to run the pytest module (allowing the same command to be used regardless of Python version): +`python -m pytest kindergarten_garden_test.py` + +### Common `pytest` options + +- `-v` : enable verbose output +- `-x` : stop running tests on first failure +- `--ff` : run failures from previous test before running other test cases + +For other options, see `python -m pytest -h` + +## Submitting Exercises + +Note that, when trying to submit an exercise, make sure the solution is in the `$EXERCISM_WORKSPACE/python/kindergarten-garden` directory. + +You can find your Exercism workspace by running `exercism debug` and looking for the line that starts with `Workspace`. + +For more detailed information about running tests, code style and linting, +please see [Running the Tests](http://exercism.io/tracks/python/tests). + +## Source + +Random musings during airplane trip. [http://jumpstartlab.com](http://jumpstartlab.com) + +## Submitting Incomplete Solutions + +It's possible to submit an incomplete solution so you can see how others have completed the exercise. diff --git a/python/kindergarten-garden/kindergarten_garden.py b/python/kindergarten-garden/kindergarten_garden.py new file mode 100644 index 0000000..9576f35 --- /dev/null +++ b/python/kindergarten-garden/kindergarten_garden.py @@ -0,0 +1,20 @@ +names = {'V' : 'Violets', 'R' : 'Radishes', 'C' : 'Clover', 'G' : 'Grass'} +default = ['Alice', 'Bob', 'Charlie', 'David', 'Eve', 'Fred', 'Ginny', 'Harriet', 'Ileana', 'Joseph', 'Kincaid', 'Larry'] + +class Garden(object): + def __init__(self, diagram, students=default): + self.diagram, self.students = diagram, students + self.diagram = [list(row) for row in self.diagram.split('\n')] + self.diagram = [[(row[i], row[i+1]) for i in range(0, len(row), 2)] for row in self.diagram] + # Zip everything so that top and bottom become a single row. This should support multiple rows. + self.diagram = list(zip(*(row for row in self.diagram))) + # Merge the zipped stuff out of it's paired form + self.diagram = [sum(set, ()) for set in self.diagram] + # Get the proper names of everything in the list + self.diagram = [list(map(lambda short : names[short], seq)) for seq in self.diagram] + # print(self.diagram) + + def plants(self, student): + if student not in self.students: + raise ValueError(f'Student \'{student}\' does not exist.') + return self.diagram[self.students.index(student)] \ No newline at end of file diff --git a/python/kindergarten-garden/kindergarten_garden_test.py b/python/kindergarten-garden/kindergarten_garden_test.py new file mode 100644 index 0000000..5152cb9 --- /dev/null +++ b/python/kindergarten-garden/kindergarten_garden_test.py @@ -0,0 +1,54 @@ +import unittest + +from kindergarten_garden import Garden + + +# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.1 + +class KindergartenGardenTest(unittest.TestCase): + def test_garden_with_single_student(self): + self.assertEqual( + Garden("RC\nGG").plants("Alice"), + "Radishes Clover Grass Grass".split()) + + def test_different_garden_with_single_student(self): + self.assertEqual( + Garden("VC\nRC").plants("Alice"), + "Violets Clover Radishes Clover".split()) + + def test_garden_with_two_students(self): + garden = Garden("VVCG\nVVRC") + self.assertEqual( + garden.plants("Bob"), "Clover Grass Radishes Clover".split()) + + def test_multiple_students_for_the_same_garden_with_three_students(self): + garden = Garden("VVCCGG\nVVCCGG") + self.assertEqual(garden.plants("Bob"), ["Clover"] * 4) + self.assertEqual(garden.plants("Charlie"), ["Grass"] * 4) + + def test_full_garden(self): + garden = Garden("VRCGVVRVCGGCCGVRGCVCGCGV\nVRCCCGCRRGVCGCRVVCVGCGCV") + self.assertEqual( + garden.plants("Alice"), + "Violets Radishes Violets Radishes".split()) + self.assertEqual( + garden.plants("Bob"), "Clover Grass Clover Clover".split()) + self.assertEqual( + garden.plants("Kincaid"), "Grass Clover Clover Grass".split()) + self.assertEqual( + garden.plants("Larry"), "Grass Violets Clover Violets".split()) + + # Additional tests for this track + def test_disordered_test(self): + garden = Garden( + "VCRRGVRG\nRVGCCGCV", + students="Samantha Patricia Xander Roger".split()) + self.assertEqual( + garden.plants("Patricia"), + "Violets Clover Radishes Violets".split()) + self.assertEqual( + garden.plants("Xander"), "Radishes Grass Clover Violets".split()) + + +if __name__ == '__main__': + unittest.main()