Python compat.compat_repr函数代码示例

def test_have_property_with_value():
    ("this(instance).should.have.property(property_name).being or "
     ".with_value should allow chain up")

    class Person(object):
        name = "John Doe"

        def __repr__(self):
            return r"Person()"

    jay = Person()

    assert this(jay).should.have.property("name").being.equal("John Doe")
    assert this(jay).should.have.property("name").not_being.equal("Foo")

    def opposite():
        assert this(jay).should.have.property("name").not_being.equal(
            "John Doe")

    def opposite_not():
        assert this(jay).should.have.property("name").being.equal(
            "Foo")

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr(
        "'John Doe' should differ from 'John Doe', but is the same thing"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(compat_repr(
        "X is 'John Doe' whereas Y is 'Foo'"))

def test_equal_with_repr_of_complex_types_and_repr():
    ("test usage of repr() inside expect(complex1).to.equal(complex2)")

    class Y(object):
        def __init__(self, x):
            self.x = x

        def __repr__(self):
            if PY3:
                # PY3K should return the regular (unicode) string
                return self.x
            else:
                return self.x.encode('utf-8')

        def __eq__(self, other):
            return self.x == other.x

    y1 = {
        'a': 2,
        'b': Y('Gabriel Falcão'),
        'c': 'Foo',
    }

    expect(y1).to.equal({
        'a': 2,
        'b': Y('Gabriel Falcão'),
        'c': 'Foo',
    })

    expect(y1).to_not.equal({
        'a': 2,
        'b': Y('Gabriel Falçao'),
        'c': 'Foo',
    })

    def opposite():
        expect(y1).to.equal({
            'a': 2,
            'b': Y('Gabriel Falçao'),
            'c': 'Foo',
        })

    def opposite_not():
        expect(y1).to_not.equal({
            'a': 2,
            'b': Y('Gabriel Falcão'),
            'c': 'Foo',
        })

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr("X['b'] != Y['b']"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(compat_repr(
        "{'a': 2, 'b': Gabriel Falcão, 'c': 'Foo'} should differ from {'a': 2, 'b': Gabriel Falcão, 'c': 'Foo'}, but is the same thing"))

def test_deep_equals_dict_level2_fail():
    "that() deep_equals(dict) failing on level 2"

    something = {
        'one': 'yeah',
        'another': {
            'two': '##',
        },
    }

    def assertions():
        assert that(something).deep_equals({
            'one': 'yeah',
            'another': {
                'two': '$$',
            },
        })
    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = {'another': {'two': '##'}, 'one': 'yeah'}\n" \
        "    and\n" \
        "Y = {'another': {'two': '$$'}, 'one': 'yeah'}\n" \
        "X['another']['two'] is '##' whereas Y['another']['two'] is '$$'",
    ))

def test_deep_equals_dict_level3_fails_missing_key():
    "that() deep_equals(dict) failing on level 3 when missing a key"

    something = {
        'my::all_users': [
            {'name': 'John', 'age': 33},
        ],
    }

    def assertions():
        assert that(something).deep_equals({
            'my::all_users': [
                {'name': 'John', 'age': 30, 'foo': 'bar'},
            ],
        })

    assert that(assertions).raises(
        AssertionError, compat_repr(
            "given\n"
            "X = {{'my::all_users': [{{'age': 33, 'name': 'John'}}]}}\n"
            "    and\n"
            "Y = {{'my::all_users': [{{'age': 30, 'foo': 'bar', 'name': 'John'}}]}}\n"
            "X['my::all_users'][0] does not have the key \"{0}\" whereas Y['my::all_users'][0] has it"
        ).format(safe_repr('foo'))
    )

def test_have_property():
    ("this(instance).should.have.property(property_name)")

    class Person(object):
        name = "John Doe"

        def __repr__(self):
            return r"Person()"

    jay = Person()

    assert this(jay).should.have.property("name")
    assert this(jay).should_not.have.property("age")

    def opposite():
        assert this(jay).should_not.have.property("name")

    def opposite_not():
        assert this(jay).should.have.property("age")

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr(
        "Person() should not have the property `name`, but it is 'John Doe'"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(
        "Person() should have the property `age` but does not")

def test_look_like():
    ("this('   aa  \n  ').should.look_like('aa')")

    assert this('   \n  aa \n  ').should.look_like('AA')
    assert this('   \n  bb \n  ').should_not.look_like('aa')

    def opposite():
        assert this('\n aa \n').should.look_like('bb')

    def opposite_not():
        assert this('\n aa \n').should_not.look_like('aa')

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr(r"'\n aa \n' does not look like 'bb'"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(compat_repr(r"'\n aa \n' should not look like 'aa' but does"))

def test_have_key():
    ("this(dictionary).should.have.key(key_name)")

    jay = {'name': "John Doe"}

    assert this(jay).should.have.key("name")
    assert this(jay).should_not.have.key("age")

    def opposite():
        assert this(jay).should_not.have.key("name")

    def opposite_not():
        assert this(jay).should.have.key("age")

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr(
        "{'name': 'John Doe'} should not have the key `name`, "
        "but it is 'John Doe'"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(compat_repr(
        "{'name': 'John Doe'} should have the key `age` but does not"))

def test_deep_equals_failing_complex_vs_basic():
    "that(X) deep_equals(Y) fails with complex vc basic type"

    def assertions():
        assert that({'two': 'yeah'}).deep_equals('two yeah')

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = {'two': 'yeah'}\n" \
        "    and\n" \
        "Y = 'two yeah'\n"
        "X is a dict and Y is a %s instead" % text_type_name,
    ))

def test_have_key_with_value():
    ("this(dictionary).should.have.key(key_name).being or "
     ".with_value should allow chain up")

    jay = dict(name="John Doe")

    assert this(jay).should.have.key("name").being.equal("John Doe")
    assert this(jay).should.have.key("name").not_being.equal("Foo")

    def opposite():
        assert this(jay).should.have.key("name").not_being.equal(
            "John Doe")

    def opposite_not():
        assert this(jay).should.have.key("name").being.equal(
            "Foo")

    expect(opposite).when.called.to.throw(AssertionError)
    expect(opposite).when.called.to.throw(compat_repr(
        "'John Doe' should differ from 'John Doe', but is the same thing"))

    expect(opposite_not).when.called.to.throw(AssertionError)
    expect(opposite_not).when.called.to.throw(compat_repr(
        "X is 'John Doe' whereas Y is 'Foo'"))

def test_deep_equals_list_level1_fail_by_value():
    "that(list) deep_equals(list) failing on level 1"

    something = ['one', 'yeahs']

    def assertions():
        assert that(something).deep_equals(['one', 'yeah'])

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = ['one', 'yeahs']\n" \
        "    and\n" \
        "Y = ['one', 'yeah']\n" \
        "X[1] is 'yeahs' whereas Y[1] is 'yeah'",
    ))

def test_deep_equals_failing_basic_vs_complex():
    "that(X) deep_equals(Y) fails with basic vc complex type"

    def assertions():
        assert that('two yeah').deep_equals({
            'two': 'yeah',
        })

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = 'two yeah'\n"
        "    and\n" \
        "Y = {'two': 'yeah'}\n" \
        "X is a %s and Y is a dict instead" % text_type_name,
    ))

def test_that_equals_fails():
    "that() equals(string) when it's supposed to fail"

    something = "else"

    def fail():
        assert that('something').equals(something)

    assert that(fail).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = 'something'\n" \
        "    and\n" \
        "Y = 'else'\n" \
        "X is 'something' whereas Y is 'else'",
    ))

def test_deep_equals_list_level2_fail_by_length_y_gt_x():
    "that(list) deep_equals(list) failing by length (len(Y) > len(X))"

    something = ['one', 'yeah']

    def assertions():
        assert that(something).deep_equals(['one', 'yeah', 'damn'])

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = ['one', 'yeah']\n" \
        "    and\n" \
        "Y = ['one', 'yeah', 'damn']\n" \
        "Y has 3 items whereas X has only 2",
    ))

def test_deep_equals_tuple_level1_fail_by_length_y_gt_x():
    "that(tuple) deep_equals(tuple) failing by length (len(Y) > len(X))"

    something = ('one', 'yeah')

    def assertions():
        assert that(something).deep_equals(('one', 'yeah', 'damn'))

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = ('one', 'yeah')\n" \
        "    and\n" \
        "Y = ('one', 'yeah', 'damn')\n" \
        "Y has 3 items whereas X has only 2",
    ))

def test_deep_equals_list_level2_fail_by_length_x_gt_y():
    "that(list) deep_equals(list) failing by length (len(X) > len(Y))"

    something = {'iterable': ['one', 'yeah', 'awesome!']}

    def assertions():
        assert that(something).deep_equals({'iterable': ['one', 'yeah']})

    assert that(assertions).raises(
        AssertionError, compat_repr(
        "given\n" \
        "X = {'iterable': ['one', 'yeah', 'awesome!']}\n" \
        "    and\n" \
        "Y = {'iterable': ['one', 'yeah']}\n" \
        "X has 3 items whereas Y has only 2",
    ))