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Use diff's --strip-trailing-cr flag where appropriate on Windows

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Test result files might be checked out using Unix or Windows style line
endings, depening on git flags, so on Windows we use the
--strip-trailing-cr flag to tell diff to ignore line endings
differences.

The flag is added to the diff invocation for the test_json_parser module
tests and the pg_bsd_indent tests. in pg_regress.c we replace the
current use of the "-w" flag, which ignore all white space differences,
with this one which only ignores line end differences.

Discussion: https://postgr.es/m/20240707052030.r77hbdkid3mwksop@awork3.anarazel.de
This commit is contained in:
Andrew Dunstan 2024-07-10 09:53:47 -04:00
parent 05506510de
commit 628c1d1f2c
3 changed files with 10 additions and 4 deletions
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4
src/test/modules/test_json_parser/t/003_test_semantic.pl
View File

@ -29,7 +29,9 @@ print $fh $stdout, "\n";
close($fh);
($stdout, $stderr) = run_command([ "diff", "-u", $fname, $test_out ]);
my @diffopts = ("-u");
push(@diffopts, "--strip-trailing-cr") if $windows_os;
($stdout, $stderr) = run_command([ "diff", @diffopts, $fname, $test_out ]);
is($stdout, "", "no output diff");
is($stderr, "", "no diff error");

4
src/test/regress/pg_regress.c
View File

@ -65,8 +65,8 @@ static char *shellprog = SHELLPROG;
const char *basic_diff_opts = "";
const char *pretty_diff_opts = "-U3";
#else
const char *basic_diff_opts = "-w";
const char *pretty_diff_opts = "-w -U3";
const char *basic_diff_opts = "--strip-trailing-cr";
const char *pretty_diff_opts = "--strip-trailing-cr -U3";
#endif
/*

6
src/tools/pg_bsd_indent/t/001_pg_bsd_indent.pl
View File

@ -26,6 +26,10 @@ program_version_ok('pg_bsd_indent');
# Any diffs in the generated files will be accumulated here.
my $diffs_file = "test.diffs";
# options used with diff
my @diffopts = ("-upd");
push(@diffopts, "--strip-trailing-cr") if $windows_os;
# Copy support files to current dir, so *.pro files don't need to know path.
while (my $file = glob("$src_dir/tests/*.list"))
{
@ -45,7 +49,7 @@ while (my $test_src = glob("$src_dir/tests/*.0"))
],
"pg_bsd_indent succeeds on $test");
# check result matches, adding any diff to $diffs_file
my $result = run_log([ 'diff', '-upd', "$test_src.stdout", "$test.out" ],
my $result = run_log([ 'diff', @diffopts, "$test_src.stdout", "$test.out" ],
'>>', $diffs_file);
ok($result, "pg_bsd_indent output matches for $test");
}