diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_doctest.py | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py index 67785bf..d4ff049 100644 --- a/Lib/test/test_doctest.py +++ b/Lib/test/test_doctest.py @@ -2601,10 +2601,22 @@ The doctest module can be used to run doctests against an arbitrary file. These tests test this CLI functionality. We'll use the support module's script_helpers for this, and write a test files -to a temp dir to run the command against. +to a temp dir to run the command against. Due to a current limitation in +script_helpers, though, we need a little utility function to turn the returned +output into something we can doctest against: -First, a file with two simple tests and no errors. We'll run both the -unadorned doctest command, and the verbose version, and then check the output: + >>> def normalize(s): + ... return '\n'.join(s.decode().splitlines()) + +Note: we also pass TERM='' to all the assert_python calls to avoid a bug +in the readline library that is triggered in these tests because we are +running them in a new python process. See: + + http://lists.gnu.org/archive/html/bug-readline/2013-06/msg00000.html + +With those preliminaries out of the way, we'll start with a file with two +simple tests and no errors. We'll run both the unadorned doctest command, and +the verbose version, and then check the output: >>> from test import script_helper >>> with script_helper.temp_dir() as tmpdir: @@ -2618,9 +2630,9 @@ unadorned doctest command, and the verbose version, and then check the output: ... _ = f.write('\n') ... _ = f.write('And that is it.\n') ... rc1, out1, err1 = script_helper.assert_python_ok( - ... '-m', 'doctest', fn) + ... '-m', 'doctest', fn, TERM='') ... rc2, out2, err2 = script_helper.assert_python_ok( - ... '-m', 'doctest', '-v', fn) + ... '-m', 'doctest', '-v', fn, TERM='') With no arguments and passing tests, we should get no output: @@ -2631,7 +2643,7 @@ With the verbose flag, we should see the test output, but no error output: >>> rc2, err2 (0, b'') - >>> print(out2.decode()) + >>> print(normalize(out2)) Trying: 1 + 1 Expecting: @@ -2647,7 +2659,6 @@ With the verbose flag, we should see the test output, but no error output: 2 tests in 1 items. 2 passed and 0 failed. Test passed. - <BLANKLINE> Now we'll write a couple files, one with three tests, the other a python module with two tests, both of the files having "errors" in the tests that can be made @@ -2684,17 +2695,17 @@ text files). ... _ = f.write(' \"\"\"\n') ... import shutil ... rc1, out1, err1 = script_helper.assert_python_failure( - ... '-m', 'doctest', fn, fn2) + ... '-m', 'doctest', fn, fn2, TERM='') ... rc2, out2, err2 = script_helper.assert_python_ok( - ... '-m', 'doctest', '-o', 'ELLIPSIS', fn) + ... '-m', 'doctest', '-o', 'ELLIPSIS', fn, TERM='') ... rc3, out3, err3 = script_helper.assert_python_ok( ... '-m', 'doctest', '-o', 'ELLIPSIS', - ... '-o', 'NORMALIZE_WHITESPACE', fn, fn2) + ... '-o', 'NORMALIZE_WHITESPACE', fn, fn2, TERM='') ... rc4, out4, err4 = script_helper.assert_python_failure( - ... '-m', 'doctest', '-f', fn, fn2) + ... '-m', 'doctest', '-f', fn, fn2, TERM='') ... rc5, out5, err5 = script_helper.assert_python_ok( ... '-m', 'doctest', '-v', '-o', 'ELLIPSIS', - ... '-o', 'NORMALIZE_WHITESPACE', fn, fn2) + ... '-o', 'NORMALIZE_WHITESPACE', fn, fn2, TERM='') Our first test run will show the errors from the first file (doctest stops if a file has errors). Note that doctest test-run error output appears on stdout, @@ -2702,7 +2713,7 @@ not stderr: >>> rc1, err1 (1, b'') - >>> print(out1.decode()) # doctest: +ELLIPSIS + >>> print(normalize(out1)) # doctest: +ELLIPSIS ********************************************************************** File "...myfile.doc", line 4, in myfile.doc Failed example: @@ -2723,7 +2734,6 @@ not stderr: 1 items had failures: 2 of 3 in myfile.doc ***Test Failed*** 2 failures. - <BLANKLINE> With -o ELLIPSIS specified, the second run, against just the first file, should produce no errors, and with -o NORMALIZE_WHITESPACE also specified, neither @@ -2738,7 +2748,7 @@ The fourth run uses FAIL_FAST, so we should see only one error: >>> rc4, err4 (1, b'') - >>> print(out4.decode()) # doctest: +ELLIPSIS + >>> print(normalize(out4)) # doctest: +ELLIPSIS ********************************************************************** File "...myfile.doc", line 4, in myfile.doc Failed example: @@ -2751,14 +2761,13 @@ The fourth run uses FAIL_FAST, so we should see only one error: 1 items had failures: 1 of 2 in myfile.doc ***Test Failed*** 1 failures. - <BLANKLINE> The fifth test uses verbose with the two options, so we should get verbose success output for the tests in both files: >>> rc5, err5 (0, b'') - >>> print(out5.decode()) + >>> print(normalize(out5)) Trying: 1 + 1 Expecting: @@ -2796,17 +2805,16 @@ success output for the tests in both files: 2 tests in 2 items. 2 passed and 0 failed. Test passed. - <BLANKLINE> We should also check some typical error cases. Invalid file name: >>> rc, out, err = script_helper.assert_python_failure( - ... '-m', 'doctest', 'nosuchfile') + ... '-m', 'doctest', 'nosuchfile', TERM='') >>> rc, out (1, b'') - >>> print(err.decode()) # doctest: +ELLIPSIS + >>> print(normalize(err)) # doctest: +ELLIPSIS Traceback (most recent call last): ... FileNotFoundError: [Errno ...] No such file or directory: 'nosuchfile' @@ -2814,10 +2822,10 @@ Invalid file name: Invalid doctest option: >>> rc, out, err = script_helper.assert_python_failure( - ... '-m', 'doctest', '-o', 'nosuchoption') + ... '-m', 'doctest', '-o', 'nosuchoption', TERM='') >>> rc, out (2, b'') - >>> print(err.decode()) # doctest: +ELLIPSIS + >>> print(normalize(err)) # doctest: +ELLIPSIS usage...invalid...nosuchoption... """ |