Add a test script for for-each-ref, including test of date formatting

Signed-off-by: Andy Parkins <andyparkins@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t6300-for-each-ref.sh

@@ -0,0 +1,151 @@
+#!/bin/sh
+#
+# Copyright (c) 2007 Andy Parkins
+#
+
+test_description='for-each-ref test'
+
+. ./test-lib.sh
+
+# Mon Jul 3 15:18:43 2006 +0000
+datestamp=1151939923
+setdate_and_increment () {
+    GIT_COMMITTER_DATE="$datestamp +0200"
+    datestamp=$(expr "$datestamp" + 1)
+    GIT_AUTHOR_DATE="$datestamp +0200"
+    datestamp=$(expr "$datestamp" + 1)
+    export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
+}
+
+test_expect_success 'Create sample commit with known timestamp' '
+	setdate_and_increment &&
+	echo "Using $datestamp" > one &&
+	git add one &&
+	git commit -m "Initial" &&
+	setdate_and_increment &&
+	git tag -a -m "Tagging at $datestamp" testtag
+'
+
+test_expect_success 'Check atom names are valid' '
+	bad=
+	for token in \
+		refname objecttype objectsize objectname tree parent \
+		numparent object type author authorname authoremail \
+		authordate committer committername committeremail \
+		committerdate tag tagger taggername taggeremail \
+		taggerdate creator creatordate subject body contents
+	do
+		git for-each-ref --format="$token=%($token)" refs/heads || {
+			bad=$token
+			break
+		}
+	done
+	test -z "$bad"
+'
+
+test_expect_failure 'Check invalid atoms names are errors' '
+	git-for-each-ref --format="%(INVALID)" refs/heads
+'
+
+test_expect_success 'Check format specifiers are ignored in naming date atoms' '
+	git-for-each-ref --format="%(authordate)" refs/heads &&
+	git-for-each-ref --format="%(authordate:default) %(authordate)" refs/heads &&
+	git-for-each-ref --format="%(authordate) %(authordate:default)" refs/heads &&
+	git-for-each-ref --format="%(authordate:default) %(authordate:default)" refs/heads
+'
+
+test_expect_success 'Check valid format specifiers for date fields' '
+	git-for-each-ref --format="%(authordate:default)" refs/heads &&
+	git-for-each-ref --format="%(authordate:relative)" refs/heads &&
+	git-for-each-ref --format="%(authordate:short)" refs/heads &&
+	git-for-each-ref --format="%(authordate:local)" refs/heads &&
+	git-for-each-ref --format="%(authordate:iso8601)" refs/heads &&
+	git-for-each-ref --format="%(authordate:rfc2822)" refs/heads
+'
+
+test_expect_failure 'Check invalid format specifiers are errors' '
+	git-for-each-ref --format="%(authordate:INVALID)" refs/heads
+'
+
+cat >expected <<\EOF
+'refs/heads/master' 'Mon Jul 3 17:18:43 2006 +0200' 'Mon Jul 3 17:18:44 2006 +0200'
+'refs/tags/testtag' 'Mon Jul 3 17:18:45 2006 +0200'
+EOF
+
+test_expect_success 'Check unformatted date fields output' '
+	(git for-each-ref --shell --format="%(refname) %(committerdate) %(authordate)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+test_expect_success 'Check format "default" formatted date fields output' '
+	f=default &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+# Don't know how to do relative check because I can't know when this script
+# is going to be run and can't fake the current time to git, and hence can't
+# provide expected output.  Instead, I'll just make sure that "relative"
+# doesn't exit in error
+#
+#cat >expected <<\EOF
+#
+#EOF
+#
+test_expect_success 'Check format "relative" date fields output' '
+	f=relative &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual
+'
+
+cat >expected <<\EOF
+'refs/heads/master' '2006-07-03' '2006-07-03'
+'refs/tags/testtag' '2006-07-03'
+EOF
+
+test_expect_success 'Check format "short" date fields output' '
+	f=short &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+cat >expected <<\EOF
+'refs/heads/master' 'Mon Jul 3 15:18:43 2006' 'Mon Jul 3 15:18:44 2006'
+'refs/tags/testtag' 'Mon Jul 3 15:18:45 2006'
+EOF
+
+test_expect_success 'Check format "local" date fields output' '
+	f=local &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+cat >expected <<\EOF
+'refs/heads/master' '2006-07-03 17:18:43 +0200' '2006-07-03 17:18:44 +0200'
+'refs/tags/testtag' '2006-07-03 17:18:45 +0200'
+EOF
+
+test_expect_success 'Check format "iso8601" date fields output' '
+	f=iso8601 &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+cat >expected <<\EOF
+'refs/heads/master' 'Mon, 3 Jul 2006 17:18:43 +0200' 'Mon, 3 Jul 2006 17:18:44 +0200'
+'refs/tags/testtag' 'Mon, 3 Jul 2006 17:18:45 +0200'
+EOF
+
+test_expect_success 'Check format "rfc2822" date fields output' '
+	f=rfc2822 &&
+	(git for-each-ref --shell --format="%(refname) %(committerdate:$f) %(authordate:$f)" refs/heads &&
+	git for-each-ref --shell --format="%(refname) %(taggerdate:$f)" refs/tags) >actual &&
+	git diff expected actual
+'
+
+test_done