t6020, t6022, t6035: update merge tests to use test helper functions

Make use of test_path_is_file, test_write_lines, and similar helpers
in these old test files.

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t6020-merge-df.sh

@@ -83,9 +83,9 @@ test_expect_success 'modify/delete + directory/file conflict' '
 	test 4 -eq $(git ls-files -u | wc -l) &&
 	test 1 -eq $(git ls-files -o | wc -l) &&
 
-	test -f letters/file &&
-	test -f letters.txt &&
-	test -f letters~modify
+	test_path_is_file letters/file &&
+	test_path_is_file letters.txt &&
+	test_path_is_file letters~modify
 '
 
 test_expect_success 'modify/delete + directory/file conflict; other way' '
@@ -99,9 +99,9 @@ test_expect_success 'modify/delete + directory/file conflict; other way' '
 	test 4 -eq $(git ls-files -u | wc -l) &&
 	test 1 -eq $(git ls-files -o | wc -l) &&
 
-	test -f letters/file &&
-	test -f letters.txt &&
-	test -f letters~HEAD
+	test_path_is_file letters/file &&
+	test_path_is_file letters.txt &&
+	test_path_is_file letters~HEAD
 '
 
 test_done

t/t6022-merge-rename.sh

@@ -295,8 +295,8 @@ test_expect_success 'Rename+D/F conflict; renamed file merges + dir not in way'
 	git merge --strategy=recursive dir-not-in-way &&
 
 	git diff --quiet &&
-	test -f dir &&
-	printf "1\n2\n3\n4\n5555\n6\n7\n8\n9\n10\n11\n" >expected &&
+	test_path_is_file dir &&
+	test_write_lines 1 2 3 4 5555 6 7 8 9 10 11 >expected &&
 	test_cmp expected dir
 '
 
@@ -316,8 +316,8 @@ test_expect_success 'Rename+D/F conflict; renamed file merges but dir in way' '
 	test_must_fail git diff --quiet &&
 	test_must_fail git diff --cached --quiet &&
 
-	test -f dir/file-in-the-way &&
-	test -f dir~HEAD &&
+	test_path_is_file dir/file-in-the-way &&
+	test_path_is_file dir~HEAD &&
 	test_cmp expected dir~HEAD
 '
 
@@ -338,8 +338,8 @@ test_expect_success 'Same as previous, but merged other way' '
 	test_must_fail git diff --quiet &&
 	test_must_fail git diff --cached --quiet &&
 
-	test -f dir/file-in-the-way &&
-	test -f dir~renamed-file-has-no-conflicts &&
+	test_path_is_file dir/file-in-the-way &&
+	test_path_is_file dir~renamed-file-has-no-conflicts &&
 	test_cmp expected dir~renamed-file-has-no-conflicts
 '
 
@@ -355,7 +355,7 @@ test_expect_success 'Rename+D/F conflict; renamed file cannot merge, dir not in
 	test_must_fail git diff --quiet &&
 	test_must_fail git diff --cached --quiet &&
 
-	test -f dir &&
+	test_path_is_file dir &&
 	cat >expected <<-\EOF &&
 	1
 	2
@@ -391,8 +391,8 @@ test_expect_success 'Rename+D/F conflict; renamed file cannot merge and dir in t
 	test_must_fail git diff --quiet &&
 	test_must_fail git diff --cached --quiet &&
 
-	test -f dir/file-in-the-way &&
-	test -f dir~HEAD &&
+	test_path_is_file dir/file-in-the-way &&
+	test_path_is_file dir~HEAD &&
 	test_cmp expected dir~HEAD
 '
 
@@ -409,8 +409,8 @@ test_expect_success 'Same as previous, but merged other way' '
 	test_must_fail git diff --quiet &&
 	test_must_fail git diff --cached --quiet &&
 
-	test -f dir/file-in-the-way &&
-	test -f dir~renamed-file-has-conflicts &&
+	test_path_is_file dir/file-in-the-way &&
+	test_path_is_file dir~renamed-file-has-conflicts &&
 	cat >expected <<-\EOF &&
 	1
 	2
@@ -463,9 +463,9 @@ test_expect_success 'both rename source and destination involved in D/F conflict
 
 	test_must_fail git diff --quiet &&
 
-	test -f destdir/foo &&
-	test -f one &&
-	test -f destdir~HEAD &&
+	test_path_is_file destdir/foo &&
+	test_path_is_file one &&
+	test_path_is_file destdir~HEAD &&
 	test "stuff" = "$(cat destdir~HEAD)"
 '
 
@@ -506,9 +506,9 @@ test_expect_success 'pair rename to parent of other (D/F conflicts) w/ untracked
 
 	test 4 -eq $(find . | grep -v .git | wc -l) &&
 
-	test -d one &&
-	test -f one~rename-two &&
-	test -f two &&
+	test_path_is_dir one &&
+	test_path_is_file one~rename-two &&
+	test_path_is_file two &&
 	test "other" = $(cat one~rename-two) &&
 	test "stuff" = $(cat two)
 '
@@ -526,8 +526,8 @@ test_expect_success 'pair rename to parent of other (D/F conflicts) w/ clean sta
 
 	test 3 -eq $(find . | grep -v .git | wc -l) &&
 
-	test -f one &&
-	test -f two &&
+	test_path_is_file one &&
+	test_path_is_file two &&
 	test "other" = $(cat one) &&
 	test "stuff" = $(cat two)
 '
@@ -567,11 +567,11 @@ test_expect_success 'check handling of differently renamed file with D/F conflic
 	test 1 -eq "$(git ls-files -u original | wc -l)" &&
 	test 2 -eq "$(git ls-files -o | wc -l)" &&
 
-	test -f one/file &&
-	test -f two/file &&
-	test -f one~HEAD &&
-	test -f two~second-rename &&
-	! test -f original
+	test_path_is_file one/file &&
+	test_path_is_file two/file &&
+	test_path_is_file one~HEAD &&
+	test_path_is_file two~second-rename &&
+	test_path_is_missing original
 '
 
 test_expect_success 'setup rename one file to two; directories moving out of the way' '
@@ -606,9 +606,9 @@ test_expect_success 'check handling of differently renamed file with D/F conflic
 	test 1 -eq "$(git ls-files -u original | wc -l)" &&
 	test 0 -eq "$(git ls-files -o | wc -l)" &&
 
-	test -f one &&
-	test -f two &&
-	! test -f original
+	test_path_is_file one &&
+	test_path_is_file two &&
+	test_path_is_missing original
 '
 
 test_expect_success 'setup avoid unnecessary update, normal rename' '

t/t6035-merge-dir-to-symlink.sh

@@ -31,19 +31,19 @@ test_expect_success 'a/b-2/c/d is kept when clobbering symlink b' '
 	git rm --cached a/b &&
 	git commit -m "untracked symlink remains" &&
 	git checkout -f start^0 &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success 'checkout should not have deleted a/b-2/c/d' '
 	git checkout HEAD^0 &&
 	git reset --hard master &&
 	 git checkout start^0 &&
-	 test -f a/b-2/c/d
+	 test_path_is_file a/b-2/c/d
 '
 
 test_expect_success 'setup for merge test' '
 	git reset --hard &&
-	test -f a/b-2/c/d &&
+	test_path_is_file a/b-2/c/d &&
 	echo x > a/x &&
 	git add a/x &&
 	git commit -m x &&
@@ -54,7 +54,7 @@ test_expect_success 'Handle D/F conflict, do not lose a/b-2/c/d in merge (resolv
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s resolve master &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success SYMLINKS 'a/b was resolved as symlink' '
@@ -65,7 +65,7 @@ test_expect_success 'Handle D/F conflict, do not lose a/b-2/c/d in merge (recurs
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s recursive master &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success SYMLINKS 'a/b was resolved as symlink' '
@@ -76,7 +76,7 @@ test_expect_success 'Handle F/D conflict, do not lose a/b-2/c/d in merge (resolv
 	git reset --hard &&
 	git checkout master^0 &&
 	git merge -s resolve baseline^0 &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success SYMLINKS 'a/b was resolved as symlink' '
@@ -87,7 +87,7 @@ test_expect_success 'Handle F/D conflict, do not lose a/b-2/c/d in merge (recurs
 	git reset --hard &&
 	git checkout master^0 &&
 	git merge -s recursive baseline^0 &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success SYMLINKS 'a/b was resolved as symlink' '
@@ -99,8 +99,8 @@ test_expect_failure 'do not lose untracked in merge (resolve)' '
 	git checkout baseline^0 &&
 	>a/b/c/e &&
 	test_must_fail git merge -s resolve master &&
-	test -f a/b/c/e &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b/c/e &&
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success 'do not lose untracked in merge (recursive)' '
@@ -108,8 +108,8 @@ test_expect_success 'do not lose untracked in merge (recursive)' '
 	git checkout baseline^0 &&
 	>a/b/c/e &&
 	test_must_fail git merge -s recursive master &&
-	test -f a/b/c/e &&
-	test -f a/b-2/c/d
+	test_path_is_file a/b/c/e &&
+	test_path_is_file a/b-2/c/d
 '
 
 test_expect_success 'do not lose modifications in merge (resolve)' '
@@ -140,7 +140,7 @@ test_expect_success 'merge should not have D/F conflicts (resolve)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s resolve test2 &&
-	test -f a/b/c/d
+	test_path_is_file a/b/c/d
 '
 
 test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '
@@ -151,7 +151,7 @@ test_expect_success 'merge should not have D/F conflicts (recursive)' '
 	git reset --hard &&
 	git checkout baseline^0 &&
 	git merge -s recursive test2 &&
-	test -f a/b/c/d
+	test_path_is_file a/b/c/d
 '
 
 test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '
@@ -162,7 +162,7 @@ test_expect_success 'merge should not have F/D conflicts (recursive)' '
 	git reset --hard &&
 	git checkout -b foo test2 &&
 	git merge -s recursive baseline^0 &&
-	test -f a/b/c/d
+	test_path_is_file a/b/c/d
 '
 
 test_expect_success SYMLINKS 'a/b-2 was resolved as symlink' '