def test_summary_average_not_printed_if_no_cats_found(mocker, capsys):
mocker.patch('herdcats.metrics.get_least_lucky_owner')
mocker.patch('herdcats.metrics.get_total_cats')
mocker.patch('herdcats.metrics.get_total_cats_found').return_value = 0
mocker.patch('herdcats.metrics.get_average_turns_to_find_cat')
reporting.print_summary([])
out, __ = capsys.readouterr()
assert 'Average number' not in out
def test_summary_prints_most_visited_station(mocker, capsys):
mocker.patch('herdcats.metrics.get_least_lucky_owner')
get_most_visited = mocker.patch(
'herdcats.metrics.get_most_visited_station')
get_most_visited.return_value = 'foo'
owners_and_cats = []
reporting.print_summary(owners_and_cats)
out, __ = capsys.readouterr()
get_most_visited.assert_called_once_with(owners_and_cats)
assert 'most visited station: foo' in out
def test_summary_prints_average_moves_to_find_cat(mocker, capsys):
mocker.patch('herdcats.metrics.get_least_lucky_owner')
mocker.patch('herdcats.metrics.get_total_cats')
mocker.patch('herdcats.metrics.get_total_cats_found')
get_average = mocker.patch(
'herdcats.metrics.get_average_turns_to_find_cat')
get_average.return_value = 2
owners_and_cats = []
reporting.print_summary(owners_and_cats)
out, __ = capsys.readouterr()
get_average.assert_called_once_with(owners_and_cats)
assert 'find a cat: 2' in out
def test_summary_prints_number_of_cats_found(mocker, capsys):
mocker.patch('herdcats.metrics.get_least_lucky_owner')
mocker.patch('herdcats.metrics.get_total_cats')
get_found = mocker.patch('herdcats.metrics.get_total_cats_found')
get_found.return_value = 2
mocker.patch('herdcats.metrics.get_average_turns_to_find_cat')
owners_and_cats = []
reporting.print_summary(owners_and_cats)
out, __ = capsys.readouterr()
total = out.splitlines()[1]
get_found.assert_called_once_with(owners_and_cats)
assert total == "Number of cats found: 2"
def test_summary_prints_least_lucky_owner(mocker, capsys):
mocker.patch('herdcats.metrics.get_total_cats_found')
mocker.patch('herdcats.metrics.get_average_turns_to_find_cat')
mocker.patch(
'herdcats.metrics.get_most_visited_station')
least_lucky = mocker.patch(
'herdcats.metrics.get_least_lucky_owner'
)
least_lucky.return_value = 1
owners_and_cats = ['owners_and_cats']
reporting.print_summary(owners_and_cats)
out, __ = capsys.readouterr()
least_lucky.assert_called_once_with(owners_and_cats)
assert 'least lucky owner: 1' in out
