t0080: use here-doc test body

Improve the readability of the expected output by using a here-doc for
the test body and replacing the unwieldy ${SQ} references with literal
single quotes.

Signed-off-by: René Scharfe <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: rscharfe

t/t0080-unit-test-output.sh

@@ -5,7 +5,7 @@ test_description='Test the output of the unit test framework'
 TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
-test_expect_success 'TAP output from unit tests' '
+test_expect_success 'TAP output from unit tests' - <<\EOT
 	cat >expect <<-EOF &&
 	ok 1 - passing test
 	ok 2 - passing test and assertion return 1
@@ -16,12 +16,12 @@ test_expect_success 'TAP output from unit tests' '
 	ok 4 - failing test and assertion return 0
 	not ok 5 - passing TEST_TODO() # TODO
 	ok 6 - passing TEST_TODO() returns 1
-	# todo check ${SQ}check(x)${SQ} succeeded at t/helper/test-example-tap.c:26
+	# todo check 'check(x)' succeeded at t/helper/test-example-tap.c:26
 	not ok 7 - failing TEST_TODO()
 	ok 8 - failing TEST_TODO() returns 0
 	# check "0" failed at t/helper/test-example-tap.c:31
 	# skipping test - missing prerequisite
-	# skipping check ${SQ}1${SQ} at t/helper/test-example-tap.c:33
+	# skipping check '1' at t/helper/test-example-tap.c:33
 	ok 9 - test_skip() # SKIP
 	ok 10 - skipped test returns 1
 	# skipping test - missing prerequisite
@@ -39,12 +39,12 @@ test_expect_success 'TAP output from unit tests' '
 	# check "!strcmp("NULL", NULL)" failed at t/helper/test-example-tap.c:63
 	#    left: "NULL"
 	#   right: NULL
-	# check "${SQ}a${SQ} == ${SQ}\n${SQ}" failed at t/helper/test-example-tap.c:64
-	#    left: ${SQ}a${SQ}
-	#   right: ${SQ}\012${SQ}
-	# check "${SQ}\\\\${SQ} == ${SQ}\\${SQ}${SQ}" failed at t/helper/test-example-tap.c:65
-	#    left: ${SQ}\\\\${SQ}
-	#   right: ${SQ}\\${SQ}${SQ}
+	# check "'a' == '\n'" failed at t/helper/test-example-tap.c:64
+	#    left: 'a'
+	#   right: '\012'
+	# check "'\\\\' == '\\''" failed at t/helper/test-example-tap.c:65
+	#    left: '\\\\'
+	#   right: '\\''
 	not ok 17 - messages from failing string and char comparison
 	# BUG: test has no checks at t/helper/test-example-tap.c:92
 	not ok 18 - test with no checks
@@ -54,6 +54,6 @@ test_expect_success 'TAP output from unit tests' '
 
 	! test-tool example-tap >actual &&
 	test_cmp expect actual
-'
+EOT
 
 test_done