Re: Adding CI to our tree - Mailing list pgsql-hackers

From Justin Pryzby
Subject Re: Adding CI to our tree
Date
Msg-id 20220216061235.GE31460@telsasoft.com
Whole thread Raw
In response to Re: Adding CI to our tree  (Andres Freund <andres@anarazel.de>)
Responses Re: Adding CI to our tree
List pgsql-hackers
On Sun, Feb 13, 2022 at 01:53:19PM -0800, Andres Freund wrote:
> Hi,
> 
> On 2022-02-13 15:31:20 -0600, Justin Pryzby wrote:
> > Oh - I suppose you're right.  That's an unfortunate consequence of running a
> > single prove instance without chdir.
> 
> I don't think it's chdir that's relevant (that changes into the source
> directory after all). It's the TESTDIR environment variable.
> 
> I was thinking that we should make Utils.pm's INIT block responsible for
> figuring out both the directory a test should run in and the log location,
> instead having that in vcregress.pl and Makefile.global.in. Mostly because
> doing it in the latter means we can't start tests with different TESTDIR and
> working dir at the same time.
> 
> If instead we pass the location of the top-level build and top-level source
> directory from vcregress.pl / Makefile.global, the tap test infrastructure can
> figure out that stuff themselves, on a per-test basis.
> 
> For msvc builds we probably would need to pass in some information that allow
> Utils.pm to set up PATH appropriately. I think that might just require knowing
> that a) msvc build system is used b) Release vs Debug.

I'm totally unsure if this resembles what you're thinking of, and I'm surprised
I got it working so easily.  But it gets the tap test output in separate dirs,
and CI is passing for everyone (windows failed because I injected a "false" to
force it to upload artifacts).

https://github.com/justinpryzby/postgres/runs/5211673291

commit 899e562102dd7a663cb087cdf88f0f78f8302492
Author: Justin Pryzby <pryzbyj@telsasoft.com>
Date:   Tue Feb 15 20:02:36 2022 -0600

    wip: set TESTDIR from src/test/perl rather than Makefile/vcregress

diff --git a/src/Makefile.global.in b/src/Makefile.global.in
index 05c54b27def..1e49d8c8c37 100644
--- a/src/Makefile.global.in
+++ b/src/Makefile.global.in
@@ -450,7 +450,7 @@ define prove_installcheck
 rm -rf '$(CURDIR)'/tmp_check
 $(MKDIR_P) '$(CURDIR)'/tmp_check
 cd $(srcdir) && \
-   TESTDIR='$(CURDIR)' PATH="$(bindir):$(CURDIR):$$PATH" \
+   PATH="$(bindir):$(CURDIR):$$PATH" \
    PGPORT='6$(DEF_PGPORT)' top_builddir='$(CURDIR)/$(top_builddir)' \
    PG_REGRESS='$(CURDIR)/$(top_builddir)/src/test/regress/pg_regress' \
    $(PROVE) $(PG_PROVE_FLAGS) $(PROVE_FLAGS) $(if $(PROVE_TESTS),$(PROVE_TESTS),t/*.pl)
@@ -460,7 +460,7 @@ define prove_installcheck
 rm -rf '$(CURDIR)'/tmp_check
 $(MKDIR_P) '$(CURDIR)'/tmp_check
 cd $(srcdir) && \
-   TESTDIR='$(CURDIR)' PATH="$(bindir):$(CURDIR):$$PATH" \
+   PATH="$(bindir):$(CURDIR):$$PATH" \
    PGPORT='6$(DEF_PGPORT)' top_builddir='$(top_builddir)' \
    PG_REGRESS='$(top_builddir)/src/test/regress/pg_regress' \
    $(PROVE) $(PG_PROVE_FLAGS) $(PROVE_FLAGS) $(if $(PROVE_TESTS),$(PROVE_TESTS),t/*.pl)
@@ -471,7 +471,7 @@ define prove_check
 rm -rf '$(CURDIR)'/tmp_check
 $(MKDIR_P) '$(CURDIR)'/tmp_check
 cd $(srcdir) && \
-   TESTDIR='$(CURDIR)' $(with_temp_install) PGPORT='6$(DEF_PGPORT)' \
+   $(with_temp_install) PGPORT='6$(DEF_PGPORT)' \
    PG_REGRESS='$(CURDIR)/$(top_builddir)/src/test/regress/pg_regress' \
    $(PROVE) $(PG_PROVE_FLAGS) $(PROVE_FLAGS) $(if $(PROVE_TESTS),$(PROVE_TESTS),t/*.pl)
 endef
diff --git a/src/bin/psql/t/010_tab_completion.pl b/src/bin/psql/t/010_tab_completion.pl
index 005961f34d4..a86dc78a365 100644
--- a/src/bin/psql/t/010_tab_completion.pl
+++ b/src/bin/psql/t/010_tab_completion.pl
@@ -70,7 +70,7 @@ delete $ENV{LS_COLORS};
 # to run in the build directory so that we can use relative paths to
 # access the tmp_check subdirectory; otherwise the output from filename
 # completion tests is too variable.
-if ($ENV{TESTDIR})
+if ($ENV{TESTDIR} && 0)
 {
     chdir $ENV{TESTDIR} or die "could not chdir to \"$ENV{TESTDIR}\": $!";
 }
diff --git a/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
b/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
index facfec5cad4..2a0eca77440 100644
--- a/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
+++ b/src/test/modules/libpq_pipeline/t/001_libpq_pipeline.pl
@@ -49,9 +49,7 @@ for my $testname (@tests)
         my $expected;
         my $result;
 
-        # Hack to allow TESTDIR=. during parallel tap tests
-        my $inputdir = "$ENV{'TESTDIR'}/src/test/modules/libpq_pipeline";
-        $inputdir = "$ENV{'TESTDIR'}" if ! -e $inputdir;
+        my $inputdir = "$ENV{'TESTDIR'}/tmp_check";
         $expected = slurp_file_eval("$inputdir/traces/$testname.trace");
         next unless $expected ne "";
         $result = slurp_file_eval($traceout);
diff --git a/src/test/perl/PostgreSQL/Test/Utils.pm b/src/test/perl/PostgreSQL/Test/Utils.pm
index 57fcb240898..5429de41ed5 100644
--- a/src/test/perl/PostgreSQL/Test/Utils.pm
+++ b/src/test/perl/PostgreSQL/Test/Utils.pm
@@ -184,19 +184,21 @@ INIT
     # test may still fail, but it's more likely to report useful facts.
     $SIG{PIPE} = 'IGNORE';
 
-    # Determine output directories, and create them.  The base path is the
-    # TESTDIR environment variable, which is normally set by the invoking
-    # Makefile.
-    $tmp_check = $ENV{TESTDIR} ? "$ENV{TESTDIR}/tmp_check" : "tmp_check";
+    my $test_dir = File::Spec->rel2abs(dirname($0));
+    my $test_name = basename($0);
+    $test_name =~ s/\.[^.]+$//;
+
+    # Determine output directories, and create them.
+    # TODO: set TESTDIR and srcdir?
+    $tmp_check = "$test_dir/tmp_check";
     $log_path = "$tmp_check/log";
+    $ENV{TESTDIR} = $test_dir;
 
     mkdir $tmp_check;
     mkdir $log_path;
 
     # Open the test log file, whose name depends on the test name.
-    $test_logfile = basename($0);
-    $test_logfile =~ s/\.[^.]+$//;
-    $test_logfile = "$log_path/regress_log_$test_logfile";
+    $test_logfile = "$log_path/regress_log_$test_name";
     open my $testlog, '>', $test_logfile
       or die "could not open STDOUT to logfile \"$test_logfile\": $!";
 
diff --git a/src/tools/msvc/vcregress.pl b/src/tools/msvc/vcregress.pl
index fdb6f44eded..d7794c5766a 100644
--- a/src/tools/msvc/vcregress.pl
+++ b/src/tools/msvc/vcregress.pl
@@ -261,10 +261,8 @@ sub tap_check
     $ENV{PG_REGRESS}    = "$topdir/$Config/pg_regress/pg_regress";
     $ENV{REGRESS_SHLIB} = "$topdir/src/test/regress/regress.dll";
 
-    $ENV{TESTDIR} = "$dir";
     my $module = basename $dir;
-    # add the module build dir as the second element in the PATH
-    $ENV{PATH} =~ s!;!;$topdir/$Config/$module;!;
+    $ENV{VCREGRESS_MODE} = $Config;
 
     print "============================================================\n";
     print "Checking @args\n";



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