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How to use get_expected_result method in Slash

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27_testing.py

Source:27_testing.py

...22get_array() returns an empty array23In the class TestDataUniqueValues:2425get_array() returns an array of size at least 2 with all unique elements26get_expected_result() returns the expected minimum value index for this array27In the class TestDataExactlyTwoDifferentMinimums:2829get_array() returns an array where the minimum value occurs at exactly 2 indices30get_expected_result() returns the expected index31Take a look at the code template to see the exact implementation of functions that your colleague already implemented.3233Note: The arrays are indexed from .0'''3435def minimum_index(seq):36    if len(seq) == 0:37        raise ValueError("Cannot get the minimum value index from an empty sequence")38    min_idx = 039    for i in range(1, len(seq)):40        if seq[i] < seq[min_idx]:41            min_idx = i42    return min_idx4344class TestDataEmptyArray(object):45    46    @staticmethod47    def get_array():48        return list()4950class TestDataUniqueValues(object):5152    @staticmethod53    def get_array():54        return [7,9,1,2,-7,10,22]5556    @staticmethod57    def get_expected_result():58        return 45960class TestDataExactlyTwoDifferentMinimums(object):6162    @staticmethod63    def get_array():64        return [7,9,1,2,-7,10,22,-7]6566    @staticmethod67    def get_expected_result():68        return 4697071def TestWithEmptyArray():72    try:73        seq = TestDataEmptyArray.get_array()74        result = minimum_index(seq)75    except ValueError as e:76        pass77    else:78        assert False798081def TestWithUniqueValues():82    seq = TestDataUniqueValues.get_array()83    assert len(seq) >= 28485    assert len(list(set(seq))) == len(seq)8687    expected_result = TestDataUniqueValues.get_expected_result()88    result = minimum_index(seq)89    assert result == expected_result909192def TestiWithExactyTwoDifferentMinimums():93    seq = TestDataExactlyTwoDifferentMinimums.get_array()94    assert len(seq) >= 295    tmp = sorted(seq)96    assert tmp[0] == tmp[1] and (len(tmp) == 2 or tmp[1] < tmp[2])9798    expected_result = TestDataExactlyTwoDifferentMinimums.get_expected_result()99    result = minimum_index(seq)100    assert result == expected_result101102TestWithEmptyArray()103TestWithUniqueValues()104TestiWithExactyTwoDifferentMinimums()105106107def TestWithEmptyArray():108    try:109        seq = TestDataEmptyArray.get_array()110        result = minimum_index(seq)111    except ValueError as e:112        pass113    else:114        assert False115116117def TestWithUniqueValues():118    seq = TestDataUniqueValues.get_array()119    assert len(seq) >= 2120121    assert len(list(set(seq))) == len(seq)122123    expected_result = TestDataUniqueValues.get_expected_result()124    result = minimum_index(seq)125    assert result == expected_result126127128def TestiWithExactyTwoDifferentMinimums():129    seq = TestDataExactlyTwoDifferentMinimums.get_array()130    assert len(seq) >= 2131    tmp = sorted(seq)132    assert tmp[0] == tmp[1] and (len(tmp) == 2 or tmp[1] < tmp[2])133134    expected_result = TestDataExactlyTwoDifferentMinimums.get_expected_result()135    result = minimum_index(seq)136    assert result == expected_result137138TestWithEmptyArray()139TestWithUniqueValues()140TestiWithExactyTwoDifferentMinimums()
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Day 27.py

Source:Day 27.py

...15#    for i in range(1, len(seq)):16#        if a[i] < a[min_idx]:17#            min_idx = i18#    return min_idx19#Another co-worker has prepared functions that will perform the testing and validate returned results with expectations. Your task is to implement  classes that will produce test data and the expected results for the testing functions. More specifically: function get_array() in TestDataEmptyArray class and functions get_array() and get_expected_result() in classes TestDataUniqueValues and TestDataExactlyTwoDifferentMinimums following the below specifications:2021#get_array() method in class TestDataEmptyArray has to return an empty array.22#get_array() method in class TestDataUniqueValues has to return an array of size at least 2 with all unique elements, while method get_expected_result() of this class has to return the expected minimum value index for this array.23#get_array() method in class TestDataExactlyTwoDifferentMinimums has to return an array where there are exactly two different minimum values, while method get_expected_result() of this class has to return the expected minimum value index for this array.24#Take a look at the code2526def minimum_index(seq):2728    if len(seq) == 0:29        raise ValueError("Cannot get the minimum value index from an empty sequence")30    min_idx = 031    for i in range(1, len(seq)):32        if seq[i] < seq[min_idx]:33            min_idx = i34    return min_idx353637class TestDataEmptyArray(object):38    @staticmethod39    def get_array():40        return []4142class TestDataUniqueValues(object):4344    @staticmethod45    def get_array():46        return [4,1,6,2]4748    @staticmethod49    def get_expected_result():50        return 15152class TestDataExactlyTwoDifferentMinimums(object):53    @staticmethod54    def get_array():55        return [6,3,1,1]56    @staticmethod57    def get_expected_result():58        return 259def TestWithEmptyArray():60    try:61        seq = TestDataEmptyArray.get_array()62        result = minimum_index(seq)63    except ValueError as e:64        pass65    else:66        assert False676869def TestWithUniqueValues():70    seq = TestDataUniqueValues.get_array()71    assert len(seq) >= 27273    assert len(list(set(seq))) == len(seq)7475    expected_result = TestDataUniqueValues.get_expected_result()76    result = minimum_index(seq)77    assert result == expected_result787980def TestiWithExactyTwoDifferentMinimums():81    seq = TestDataExactlyTwoDifferentMinimums.get_array()82    assert len(seq) >= 283    tmp = sorted(seq)84    assert tmp[0] == tmp[1] and (len(tmp) == 2 or tmp[1] < tmp[2])8586    expected_result = TestDataExactlyTwoDifferentMinimums.get_expected_result()87    result = minimum_index(seq)88    assert result == expected_result899091TestWithEmptyArray()92TestWithUniqueValues()93TestiWithExactyTwoDifferentMinimums()
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day27.py

Source:day27.py

...3Your company needs a function that meets the following requirements:4For a given array of  integers, the function returns the index of the element with the minimum value in the array. If there is more than one element with the minimum value, the returned index should be the smallest one.5If an empty array is passed to the function, it should raise an Exception.6Note: The arrays are indexed from .7Another co-worker has prepared functions that will perform the testing and validate returned results with expectations. Your task is to implement  classes that will produce test data and the expected results for the testing functions. More specifically: function get_array() in TestDataEmptyArray class and functions get_array() and get_expected_result() in classes TestDataUniqueValues and TestDataExactlyTwoDifferentMinimums following the below specifications:8get_array() method in class TestDataEmptyArray has to return an empty array.9get_array() method in class TestDataUniqueValues has to return an array of size at least 2 with all unique elements, while method get_expected_result() of this class has to return the expected minimum value index for this array.10get_array() method in class TestDataExactlyTwoDifferentMinimums has to return an array where there are exactly two different minimum values, while method get_expected_result() of this class has to return the expected minimum value index for this array.11Take a look at the code template to see the exact implementation of functions that your colleagues already implemented.12"""13def minimum_index(seq):14    if len(seq) == 0:15        raise ValueError("Cannot get the minimum value index from an empty sequence")16    min_idx = 017    for i in range(1, len(seq)):18        if seq[i] < seq[min_idx]:19            min_idx = i20    return min_idx21class TestDataEmptyArray(object):22    23    @staticmethod24    def get_array():25        # complete this function26        return []27class TestDataUniqueValues(object):28    @staticmethod29    def get_array():30        # complete this function31        return [2,1,3,4]32    @staticmethod33    def get_expected_result():34        # complete this function35        return 136class TestDataExactlyTwoDifferentMinimums(object):37    @staticmethod38    def get_array():39        # complete this function40        return [2,1,3,1,5]41    @staticmethod42    def get_expected_result():43        # complete this function44        return 145def TestWithEmptyArray():46    try:47        seq = TestDataEmptyArray.get_array()48        result = minimum_index(seq)49    except ValueError as e:50        pass51    else:52        assert False53def TestWithUniqueValues():54    seq = TestDataUniqueValues.get_array()55    assert len(seq) >= 256    assert len(list(set(seq))) == len(seq)57    expected_result = TestDataUniqueValues.get_expected_result()58    result = minimum_index(seq)59    assert result == expected_result60def TestiWithExactyTwoDifferentMinimums():61    seq = TestDataExactlyTwoDifferentMinimums.get_array()62    assert len(seq) >= 263    tmp = sorted(seq)64    assert tmp[0] == tmp[1] and (len(tmp) == 2 or tmp[1] < tmp[2])65    expected_result = TestDataExactlyTwoDifferentMinimums.get_expected_result()66    result = minimum_index(seq)67    assert result == expected_result68TestWithEmptyArray()69TestWithUniqueValues()70TestiWithExactyTwoDifferentMinimums()...

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