diff options
Diffstat (limited to 'tests/test_coverage.py')
| -rw-r--r-- | tests/test_coverage.py | 223 |
1 files changed, 161 insertions, 62 deletions
diff --git a/tests/test_coverage.py b/tests/test_coverage.py index 3de381f1..a52aced3 100644 --- a/tests/test_coverage.py +++ b/tests/test_coverage.py @@ -1,5 +1,8 @@ -"""Tests for Coverage.""" -# http://nedbatchelder.com/code/coverage +# coding: utf-8 +# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 +# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt + +"""Tests for coverage.py.""" import coverage from coverage import env @@ -98,7 +101,7 @@ class BasicCoverageTest(CoverageTest): # Nothing here d = 6 """, - [1,2,4,6], report="4 0 100%") + [1,2,4,6], report="4 0 0 0 100%") def test_indentation_wackiness(self): # Partial final lines are OK. @@ -106,7 +109,7 @@ class BasicCoverageTest(CoverageTest): import sys if not sys.path: a = 1 - """, + """, # indented last line [1,2,3], "3") def test_multiline_initializer(self): @@ -195,6 +198,21 @@ class SimpleStatementTest(CoverageTest): """, [1,2,3], "") + def test_more_assignments(self): + self.check_coverage("""\ + x = [] + d = {} + d[ + 4 + len(x) + + 5 + ] = \\ + d[ + 8 ** 2 + ] = \\ + 9 + """, + [1, 2, 3], "") + def test_attribute_assignment(self): # Attribute assignment self.check_coverage("""\ @@ -308,7 +326,7 @@ class SimpleStatementTest(CoverageTest): def test_print(self): if env.PY3: # Print statement is gone in Py3k. - self.skip("No more print statement in Python 3.") + self.skipTest("No more print statement in Python 3.") self.check_coverage("""\ print "hello, world!" @@ -400,35 +418,35 @@ class SimpleStatementTest(CoverageTest): """, [1,2,3,4,5], "4") - if 0: # expected failure + def test_strange_unexecuted_continue(self): # Peephole optimization of jumps to jumps can mean that some statements # never hit the line tracer. The behavior is different in different # versions of Python, so don't run this test: - def test_strange_unexecuted_continue(self): - self.check_coverage("""\ - a = b = c = 0 - for n in range(100): - if n % 2: - if n % 4: - a += 1 - continue # <-- This line may not be hit. - else: - b += 1 - c += 1 - assert a == 50 and b == 50 and c == 50 - - a = b = c = 0 - for n in range(100): - if n % 2: - if n % 3: - a += 1 - continue # <-- This line is always hit. - else: - b += 1 - c += 1 - assert a == 33 and b == 50 and c == 50 - """, - [1,2,3,4,5,6,8,9,10, 12,13,14,15,16,17,19,20,21], "") + self.skipTest("Expected failure: peephole optimization of jumps to jumps") + self.check_coverage("""\ + a = b = c = 0 + for n in range(100): + if n % 2: + if n % 4: + a += 1 + continue # <-- This line may not be hit. + else: + b += 1 + c += 1 + assert a == 50 and b == 50 and c == 50 + + a = b = c = 0 + for n in range(100): + if n % 2: + if n % 3: + a += 1 + continue # <-- This line is always hit. + else: + b += 1 + c += 1 + assert a == 33 and b == 50 and c == 50 + """, + [1,2,3,4,5,6,8,9,10, 12,13,14,15,16,17,19,20,21], "") def test_import(self): self.check_coverage("""\ @@ -547,6 +565,15 @@ class SimpleStatementTest(CoverageTest): """, ([1,3,6,7], [1,3,5,6,7], [1,3,4,5,6,7]), "") + def test_nonascii(self): + self.check_coverage("""\ + # coding: utf8 + a = 2 + b = 3 + """, + [2, 3] + ) + class CompoundStatementTest(CoverageTest): """Testing coverage of multi-line compound statements.""" @@ -615,7 +642,8 @@ class CompoundStatementTest(CoverageTest): z = 7 assert x == 3 """, - [1,2,3,4,5,7,8], "4-7", report="7 3 57% 4-7") + [1,2,3,4,5,7,8], "4-7", report="7 3 4 1 45% 4-7, 2->4", + ) self.check_coverage("""\ a = 1; b = 2; c = 3; if a != 1: @@ -626,7 +654,8 @@ class CompoundStatementTest(CoverageTest): z = 7 assert y == 5 """, - [1,2,3,4,5,7,8], "3, 7", report="7 2 71% 3, 7") + [1,2,3,4,5,7,8], "3, 7", report="7 2 4 2 64% 3, 7, 2->3, 4->7", + ) self.check_coverage("""\ a = 1; b = 2; c = 3; if a != 1: @@ -637,7 +666,8 @@ class CompoundStatementTest(CoverageTest): z = 7 assert z == 7 """, - [1,2,3,4,5,7,8], "3, 5", report="7 2 71% 3, 5") + [1,2,3,4,5,7,8], "3, 5", report="7 2 4 2 64% 3, 5, 2->3, 4->5", + ) def test_elif_no_else(self): self.check_coverage("""\ @@ -648,7 +678,8 @@ class CompoundStatementTest(CoverageTest): y = 5 assert x == 3 """, - [1,2,3,4,5,6], "4-5", report="6 2 67% 4-5") + [1,2,3,4,5,6], "4-5", report="6 2 4 1 50% 4-5, 2->4", + ) self.check_coverage("""\ a = 1; b = 2; c = 3; if a != 1: @@ -657,7 +688,8 @@ class CompoundStatementTest(CoverageTest): y = 5 assert y == 5 """, - [1,2,3,4,5,6], "3", report="6 1 83% 3") + [1,2,3,4,5,6], "3", report="6 1 4 2 70% 3, 2->3, 4->6", + ) def test_elif_bizarre(self): self.check_coverage("""\ @@ -1005,7 +1037,10 @@ class CompoundStatementTest(CoverageTest): a = 123 assert a == 123 """, - [1,2,3,4,5,7,8], "4-5") + [1,2,3,4,5,7,8], "4-5", + arcz=".1 12 23 45 58 37 78 8.", + arcz_missing="45 58", + ) self.check_coverage("""\ a = 0 try: @@ -1017,7 +1052,10 @@ class CompoundStatementTest(CoverageTest): a = 123 assert a == 99 """, - [1,2,3,4,5,6,8,9], "8") + [1,2,3,4,5,6,8,9], "8", + arcz=".1 12 23 34 45 56 69 89 9.", + arcz_missing="89", + ) def test_try_finally(self): self.check_coverage("""\ @@ -1102,7 +1140,9 @@ class CompoundStatementTest(CoverageTest): x = theClass().foo() assert x == 1 """, - [2,6,8,10,11,13,14], "") + [2, 6, 8, 10, 11, 13, 14], "", + arcz="-22 2D DE E-2 23 36 6A A-2 -68 8-6 -AB B-A", + ) class ExcludeTest(CoverageTest): @@ -1126,7 +1166,7 @@ class ExcludeTest(CoverageTest): self.check_coverage("""\ a = 1; b = 2 - if 0: + if len([]): a = 4 # -cc """, [1,3], "", excludes=['-cc']) @@ -1147,19 +1187,19 @@ class ExcludeTest(CoverageTest): self.check_coverage("""\ a = 1; b = 2 - if 0: + if len([]): # not-here a = 4 b = 5 c = 6 assert a == 1 and b == 2 """, - [1,7], "", excludes=['if 0:']) + [1,7], "", excludes=['not-here']) def test_excluding_if_but_not_else_suite(self): self.check_coverage("""\ a = 1; b = 2 - if 0: + if len([]): # not-here a = 4 b = 5 c = 6 @@ -1168,7 +1208,7 @@ class ExcludeTest(CoverageTest): b = 9 assert a == 8 and b == 9 """, - [1,8,9,10], "", excludes=['if 0:']) + [1,8,9,10], "", excludes=['not-here']) def test_excluding_else_suite(self): self.check_coverage("""\ @@ -1227,7 +1267,7 @@ class ExcludeTest(CoverageTest): self.check_coverage("""\ def foo(): a = 2 - if 0: x = 3 # no cover + if len([]): x = 3 # no cover b = 4 foo() @@ -1363,7 +1403,10 @@ class ExcludeTest(CoverageTest): a = 123 assert a == 123 """, - [1,2,3,7,8], "", excludes=['#pragma: NO COVER']) + [1,2,3,7,8], "", excludes=['#pragma: NO COVER'], + arcz=".1 12 23 37 45 58 78 8.", + arcz_missing="45 58", + ) self.check_coverage("""\ a = 0 try: @@ -1375,7 +1418,10 @@ class ExcludeTest(CoverageTest): a = 123 assert a == 99 """, - [1,2,3,4,5,6,9], "", excludes=['#pragma: NO COVER']) + [1,2,3,4,5,6,9], "", excludes=['#pragma: NO COVER'], + arcz=".1 12 23 34 45 56 69 89 9.", + arcz_missing="89", + ) def test_excluding_try_except_pass(self): self.check_coverage("""\ @@ -1409,7 +1455,10 @@ class ExcludeTest(CoverageTest): a = 123 assert a == 123 """, - [1,2,3,7,8], "", excludes=['#pragma: NO COVER']) + [1,2,3,7,8], "", excludes=['#pragma: NO COVER'], + arcz=".1 12 23 37 45 58 78 8.", + arcz_missing="45 58", + ) self.check_coverage("""\ a = 0 try: @@ -1421,10 +1470,13 @@ class ExcludeTest(CoverageTest): x = 2 assert a == 99 """, - [1,2,3,4,5,6,9], "", excludes=['#pragma: NO COVER']) + [1,2,3,4,5,6,9], "", excludes=['#pragma: NO COVER'], + arcz=".1 12 23 34 45 56 69 89 9.", + arcz_missing="89", + ) def test_excluding_if_pass(self): - # From a comment on the coverage page by Michael McNeil Forbes: + # From a comment on the coverage.py page by Michael McNeil Forbes: self.check_coverage("""\ def f(): if False: # pragma: no cover @@ -1476,6 +1528,33 @@ class ExcludeTest(CoverageTest): """, [8,9], "", excludes=['#pragma: NO COVER']) + def test_excludes_non_ascii(self): + self.check_coverage("""\ + # coding: utf-8 + a = 1; b = 2 + + if len([]): + a = 5 # ✘cover + """, + [2, 4], "", excludes=['✘cover'] + ) + + def test_formfeed(self): + # https://bitbucket.org/ned/coveragepy/issues/461/multiline-asserts-need-too-many-pragma + self.check_coverage("""\ + x = 1 + assert len([]) == 0, ( + "This won't happen %s" % ("hello",) + ) + \f + x = 6 + assert len([]) == 0, ( + "This won't happen %s" % ("hello",) + ) + """, + [1, 6], "", excludes=['assert'], + ) + class Py24Test(CoverageTest): """Tests of new syntax in Python 2.4.""" @@ -1584,7 +1663,9 @@ class Py25Test(CoverageTest): b = 2 assert a == 1 and b == 2 """, - [1,2,3,4,5,7,8], "4-5") + [1,2,3,4,5,7,8], "4-5", + arcz=".1 12 23 37 45 57 78 8.", arcz_missing="45 57", + ) self.check_coverage("""\ a = 0; b = 0 try: @@ -1596,7 +1677,9 @@ class Py25Test(CoverageTest): b = 2 assert a == 99 and b == 2 """, - [1,2,3,4,5,6,8,9], "") + [1,2,3,4,5,6,8,9], "", + arcz=".1 12 23 34 45 56 68 89 9.", + ) self.check_coverage("""\ a = 0; b = 0 try: @@ -1610,7 +1693,9 @@ class Py25Test(CoverageTest): b = 2 assert a == 123 and b == 2 """, - [1,2,3,4,5,6,7,8,10,11], "6") + [1,2,3,4,5,6,7,8,10,11], "6", + arcz=".1 12 23 34 45 56 57 78 6A 8A AB B.", arcz_missing="56 6A", + ) self.check_coverage("""\ a = 0; b = 0 try: @@ -1626,7 +1711,10 @@ class Py25Test(CoverageTest): b = 2 assert a == 17 and b == 2 """, - [1,2,3,4,5,6,7,8,9,10,12,13], "6, 9-10") + [1,2,3,4,5,6,7,8,9,10,12,13], "6, 9-10", + arcz=".1 12 23 34 45 56 6C 57 78 8C 79 9A AC CD D.", + arcz_missing="56 6C 79 9A AC", + ) self.check_coverage("""\ a = 0; b = 0 try: @@ -1639,7 +1727,10 @@ class Py25Test(CoverageTest): b = 2 assert a == 123 and b == 2 """, - [1,2,3,4,5,7,9,10], "4-5") + [1,2,3,4,5,7,9,10], "4-5", + arcz=".1 12 23 37 45 59 79 9A A.", + arcz_missing="45 59", + ) self.check_coverage("""\ a = 0; b = 0 try: @@ -1653,7 +1744,10 @@ class Py25Test(CoverageTest): b = 2 assert a == 99 and b == 2 """, - [1,2,3,4,5,6,8,10,11], "8") + [1,2,3,4,5,6,8,10,11], "8", + arcz=".1 12 23 34 45 56 6A 8A AB B.", + arcz_missing="8A", + ) class ModuleTest(CoverageTest): @@ -1663,25 +1757,30 @@ class ModuleTest(CoverageTest): def test_not_singleton(self): # You *can* create another coverage object. - coverage.coverage() - coverage.coverage() + coverage.Coverage() + coverage.Coverage() + + def test_old_name_and_new_name(self): + self.assertIs(coverage.coverage, coverage.Coverage) class ReportingTest(CoverageTest): """Tests of some reporting behavior.""" - # We don't make any temp files, but we need an empty directory to run the - # tests in. + # We don't make any temporary files, but we need an empty directory to run + # the tests in. no_files_in_temp_dir = True def test_no_data_to_report_on_annotate(self): - # Reporting with no data produces a nice message and no output dir. + # Reporting with no data produces a nice message and no output + # directory. with self.assertRaisesRegex(CoverageException, "No data to report."): self.command_line("annotate -d ann") self.assert_doesnt_exist("ann") def test_no_data_to_report_on_html(self): - # Reporting with no data produces a nice message and no output dir. + # Reporting with no data produces a nice message and no output + # directory. with self.assertRaisesRegex(CoverageException, "No data to report."): self.command_line("html -d htmlcov") self.assert_doesnt_exist("htmlcov") |