t6200: test fmt-merge-msg more

Add some more tests so we don't break behavior upon modernizing
fmt-merge-msg.

Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t6200-fmt-merge-msg.sh b/t/t6200-fmt-merge-msg.sh
index b24c5bfd7a300500466401e874a5039f6ddf80ea..42f8ece0978f38e10200a52ce8cf1952cf13ecbd 100755 (executable)
--- a/t/t6200-fmt-merge-msg.sh
+++ b/t/t6200-fmt-merge-msg.sh
@@ -62,6 +62,14 @@ test_expect_success setup '
        test_tick &&
        git commit -a -m "Right #5" &&
 
+       git checkout -b long &&
+       i=0 &&
+       while test $i -lt 30
+       do
+               test_commit $i one &&
+               i=$(($i+1))
+       done &&
+
        git show-branch
 '
 
@@ -253,4 +261,111 @@ test_expect_success 'merge-msg with nothing to merge' '
        test_cmp /dev/null actual
 '
 
+cat >expected <<\EOF
+Merge tag 'tag-r3'
+
+* tag 'tag-r3':
+  Right #3
+  Common #2
+  Common #1
+EOF
+
+test_expect_success 'merge-msg tag' '
+
+       git config --unset-all merge.log
+       git config --unset-all merge.summary
+       git config merge.summary yes &&
+
+       git checkout master &&
+       test_tick &&
+       git fetch . tag tag-r3 &&
+
+       git fmt-merge-msg <.git/FETCH_HEAD >actual &&
+       test_cmp expected actual
+'
+
+cat >expected <<\EOF
+Merge tags 'tag-r3' and 'tag-l5'
+
+* tag 'tag-r3':
+  Right #3
+  Common #2
+  Common #1
+
+* tag 'tag-l5':
+  Left #5
+  Left #4
+  Left #3
+  Common #2
+  Common #1
+EOF
+
+test_expect_success 'merge-msg two tags' '
+
+       git config --unset-all merge.log
+       git config --unset-all merge.summary
+       git config merge.summary yes &&
+
+       git checkout master &&
+       test_tick &&
+       git fetch . tag tag-r3 tag tag-l5 &&
+
+       git fmt-merge-msg <.git/FETCH_HEAD >actual &&
+       test_cmp expected actual
+'
+
+cat >expected <<\EOF
+Merge branch 'left', tag 'tag-r3'
+
+* tag 'tag-r3':
+  Right #3
+  Common #2
+  Common #1
+
+* left:
+  Left #5
+  Left #4
+  Left #3
+  Common #2
+  Common #1
+EOF
+
+test_expect_success 'merge-msg tag and branch' '
+
+       git config --unset-all merge.log
+       git config --unset-all merge.summary
+       git config merge.summary yes &&
+
+       git checkout master &&
+       test_tick &&
+       git fetch . tag tag-r3 left &&
+
+       git fmt-merge-msg <.git/FETCH_HEAD >actual &&
+       test_cmp expected actual
+'
+
+cat >expected <<\EOF
+Merge branch 'long'
+
+* long: (35 commits)
+EOF
+
+test_expect_success 'merge-msg lots of commits' '
+
+       git checkout master &&
+       test_tick &&
+       git fetch . long &&
+
+       i=29 &&
+       while test $i -gt 9
+       do
+               echo "  $i" &&
+               i=$(($i-1))
+       done >>expected &&
+       echo "  ..." >>expected
+
+       git fmt-merge-msg <.git/FETCH_HEAD >actual &&
+       test_cmp expected actual
+'
+
 test_done