def test_includes_diff_of_coerced_arguments(self):
expected = "A tuple", "that differs", "here."
observed = "A tuple", "that differs", "HERE."
mismatch = TextEquals(expected).match(observed)
details = mismatch.get_details()
self.assertThat(details, ContainsDict({"diff": IsInstance(Content)}))
self.assertThat(details["diff"].as_text(), Equals(dedent("""\
--- expected
+++ observed
- ('A tuple', 'that differs', 'here.')
? ^^^^
+ ('A tuple', 'that differs', 'HERE.')
? ^^^^
""")))
def test_includes_diff_of_mismatch(self):
expected = "A line of text that differs at the end."
observed = "A line of text that differs at THE end."
mismatch = TextEquals(expected).match(observed)
details = mismatch.get_details()
self.assertThat(details, ContainsDict({"diff": IsInstance(Content)}))
self.assertThat(details["diff"].as_text(), Equals(dedent("""\
--- expected
+++ observed
- A line of text that differs at the end.
? ^^^
+ A line of text that differs at THE end.
? ^^^
""")))
def test_includes_diff_of_mismatch_multiple_lines(self):
expected = "A line of text that differs\nat the end of the 2nd line."
observed = "A line of text that differs\nat the end of the 2ND line."
mismatch = TextEquals(expected).match(observed)
details = mismatch.get_details()
self.assertThat(details, ContainsDict({"diff": IsInstance(Content)}))
self.assertThat(details["diff"].as_text(), Equals(dedent("""\
--- expected
+++ observed
A line of text that differs
- at the end of the 2nd line.
? ^^
+ at the end of the 2ND line.
? ^^
""")))
def test_describes_mismatch(self):
self.assertMismatch(
TextEquals("foo").match("bar"),
"Observed text does not match expectations; see diff.",
)
def test_matches_equal_things(self):
contents = object()
self.assertThat(contents, TextEquals(contents))
def test_matches_equal_strings(self):
contents = factory.make_string()
self.assertThat(contents, TextEquals(contents))
