test_cmp expected actual
'
+test_expect_success 'with simple command' '
+ git config trailer.sign.key "Signed-off-by: " &&
+ git config trailer.sign.where "after" &&
+ git config trailer.sign.ifExists "addIfDifferentNeighbor" &&
+ git config trailer.sign.command "echo \"A U Thor <author@example.com>\"" &&
+ cat complex_message_body >expected &&
+ sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
+ Fixes: Z
+ Acked-by= Z
+ Reviewed-by:
+ Signed-off-by: Z
+ Signed-off-by: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer "review:" --trailer "fix=22" \
+ <complex_message >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'with command using commiter information' '
+ git config trailer.sign.ifExists "addIfDifferent" &&
+ git config trailer.sign.command "echo \"\$GIT_COMMITTER_NAME <\$GIT_COMMITTER_EMAIL>\"" &&
+ cat complex_message_body >expected &&
+ sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
+ Fixes: Z
+ Acked-by= Z
+ Reviewed-by:
+ Signed-off-by: Z
+ Signed-off-by: C O Mitter <committer@example.com>
+ EOF
+ git interpret-trailers --trailer "review:" --trailer "fix=22" \
+ <complex_message >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'with command using author information' '
+ git config trailer.sign.key "Signed-off-by: " &&
+ git config trailer.sign.where "after" &&
+ git config trailer.sign.ifExists "addIfDifferentNeighbor" &&
+ git config trailer.sign.command "echo \"\$GIT_AUTHOR_NAME <\$GIT_AUTHOR_EMAIL>\"" &&
+ cat complex_message_body >expected &&
+ sed -e "s/ Z\$/ /" >>expected <<-\EOF &&
+ Fixes: Z
+ Acked-by= Z
+ Reviewed-by:
+ Signed-off-by: Z
+ Signed-off-by: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer "review:" --trailer "fix=22" \
+ <complex_message >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'setup a commit' '
+ echo "Content of the first commit." > a.txt &&
+ git add a.txt &&
+ git commit -m "Add file a.txt"
+'
+
+test_expect_success 'with command using $ARG' '
+ git config trailer.fix.ifExists "replace" &&
+ git config trailer.fix.command "git log -1 --oneline --format=\"%h (%s)\" --abbrev-commit --abbrev=14 \$ARG" &&
+ FIXED=$(git log -1 --oneline --format="%h (%s)" --abbrev-commit --abbrev=14 HEAD) &&
+ cat complex_message_body >expected &&
+ sed -e "s/ Z\$/ /" >>expected <<-EOF &&
+ Fixes: $FIXED
+ Acked-by= Z
+ Reviewed-by:
+ Signed-off-by: Z
+ Signed-off-by: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer "review:" --trailer "fix=HEAD" \
+ <complex_message >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'with failing command using $ARG' '
+ git config trailer.fix.ifExists "replace" &&
+ git config trailer.fix.command "false \$ARG" &&
+ cat complex_message_body >expected &&
+ sed -e "s/ Z\$/ /" >>expected <<-EOF &&
+ Fixes: Z
+ Acked-by= Z
+ Reviewed-by:
+ Signed-off-by: Z
+ Signed-off-by: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer "review:" --trailer "fix=HEAD" \
+ <complex_message >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success 'with empty tokens' '
+ git config --unset trailer.fix.command &&
+ cat >expected <<-EOF &&
+
+ Signed-off-by: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer ":" --trailer ":test" >actual <<-EOF &&
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'with command but no key' '
+ git config --unset trailer.sign.key &&
+ cat >expected <<-EOF &&
+
+ sign: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers >actual <<-EOF &&
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'with no command and no key' '
+ git config --unset trailer.review.key &&
+ cat >expected <<-EOF &&
+
+ review: Junio
+ sign: A U Thor <author@example.com>
+ EOF
+ git interpret-trailers --trailer "review:Junio" >actual <<-EOF &&
+ EOF
+ test_cmp expected actual
+'
+
test_done