Merge branch 'ra/t3600-test-path-funcs'

A GSoC micro.

* ra/t3600-test-path-funcs:
  t3600: use helpers to replace test -d/f/e/s <path>
  t3600: modernize style
  test functions: add function `test_file_not_empty`

t/t3600-rm.sh

@@ -8,91 +8,92 @@ test_description='Test of the various options to git rm.'
 . ./test-lib.sh
 
 # Setup some files to be removed, some with funny characters
-test_expect_success \
-    'Initialize test directory' \
-    "touch -- foo bar baz 'space embedded' -q &&
-     git add -- foo bar baz 'space embedded' -q &&
-     git commit -m 'add normal files'"
+test_expect_success 'Initialize test directory' '
+	touch -- foo bar baz "space embedded" -q &&
+	git add -- foo bar baz "space embedded" -q &&
+	git commit -m "add normal files"
+'
 
-if test_have_prereq !FUNNYNAMES; then
+if test_have_prereq !FUNNYNAMES
+then
 	say 'Your filesystem does not allow tabs in filenames.'
 fi
 
-test_expect_success FUNNYNAMES 'add files with funny names' "
-     touch -- 'tab	embedded' 'newline
-embedded' &&
-     git add -- 'tab	embedded' 'newline
-embedded' &&
-     git commit -m 'add files with tabs and newlines'
-"
-
-test_expect_success \
-    'Pre-check that foo exists and is in index before git rm foo' \
-    '[ -f foo ] && git ls-files --error-unmatch foo'
-
-test_expect_success \
-    'Test that git rm foo succeeds' \
-    'git rm --cached foo'
-
-test_expect_success \
-    'Test that git rm --cached foo succeeds if the index matches the file' \
-    'echo content >foo &&
-     git add foo &&
-     git rm --cached foo'
-
-test_expect_success \
-    'Test that git rm --cached foo succeeds if the index matches the file' \
-    'echo content >foo &&
-     git add foo &&
-     git commit -m foo &&
-     echo "other content" >foo &&
-     git rm --cached foo'
-
-test_expect_success \
-    'Test that git rm --cached foo fails if the index matches neither the file nor HEAD' '
-     echo content >foo &&
-     git add foo &&
-     git commit -m foo --allow-empty &&
-     echo "other content" >foo &&
-     git add foo &&
-     echo "yet another content" >foo &&
-     test_must_fail git rm --cached foo
-'
-
-test_expect_success \
-    'Test that git rm --cached -f foo works in case where --cached only did not' \
-    'echo content >foo &&
-     git add foo &&
-     git commit -m foo --allow-empty &&
-     echo "other content" >foo &&
-     git add foo &&
-     echo "yet another content" >foo &&
-     git rm --cached -f foo'
-
-test_expect_success \
-    'Post-check that foo exists but is not in index after git rm foo' \
-    '[ -f foo ] && test_must_fail git ls-files --error-unmatch foo'
-
-test_expect_success \
-    'Pre-check that bar exists and is in index before "git rm bar"' \
-    '[ -f bar ] && git ls-files --error-unmatch bar'
-
-test_expect_success \
-    'Test that "git rm bar" succeeds' \
-    'git rm bar'
-
-test_expect_success \
-    'Post-check that bar does not exist and is not in index after "git rm -f bar"' \
-    '! [ -f bar ] && test_must_fail git ls-files --error-unmatch bar'
-
-test_expect_success \
-    'Test that "git rm -- -q" succeeds (remove a file that looks like an option)' \
-    'git rm -- -q'
-
-test_expect_success FUNNYNAMES \
-    "Test that \"git rm -f\" succeeds with embedded space, tab, or newline characters." \
-    "git rm -f 'space embedded' 'tab	embedded' 'newline
-embedded'"
+test_expect_success FUNNYNAMES 'add files with funny names' '
+	touch -- "tab	embedded" "newline${LF}embedded" &&
+	git add -- "tab	embedded" "newline${LF}embedded" &&
+	git commit -m "add files with tabs and newlines"
+'
+
+test_expect_success 'Pre-check that foo exists and is in index before git rm foo' '
+	test_path_is_file foo &&
+	git ls-files --error-unmatch foo
+'
+
+test_expect_success 'Test that git rm foo succeeds' '
+	git rm --cached foo
+'
+
+test_expect_success 'Test that git rm --cached foo succeeds if the index matches the file' '
+	echo content >foo &&
+	git add foo &&
+	git rm --cached foo
+'
+
+test_expect_success 'Test that git rm --cached foo succeeds if the index matches the file' '
+	echo content >foo &&
+	git add foo &&
+	git commit -m foo &&
+	echo "other content" >foo &&
+	git rm --cached foo
+'
+
+test_expect_success 'Test that git rm --cached foo fails if the index matches neither the file nor HEAD' '
+	echo content >foo &&
+	git add foo &&
+	git commit -m foo --allow-empty &&
+	echo "other content" >foo &&
+	git add foo &&
+	echo "yet another content" >foo &&
+	test_must_fail git rm --cached foo
+'
+
+test_expect_success 'Test that git rm --cached -f foo works in case where --cached only did not' '
+	echo content >foo &&
+	git add foo &&
+	git commit -m foo --allow-empty &&
+	echo "other content" >foo &&
+	git add foo &&
+	echo "yet another content" >foo &&
+	git rm --cached -f foo
+'
+
+test_expect_success 'Post-check that foo exists but is not in index after git rm foo' '
+	test_path_is_file foo &&
+	test_must_fail git ls-files --error-unmatch foo
+'
+
+test_expect_success 'Pre-check that bar exists and is in index before "git rm bar"' '
+	test_path_is_file bar &&
+	git ls-files --error-unmatch bar
+'
+
+test_expect_success 'Test that "git rm bar" succeeds' '
+	git rm bar
+'
+
+test_expect_success 'Post-check that bar does not exist and is not in index after "git rm -f bar"' '
+	test_path_is_missing bar &&
+	test_must_fail git ls-files --error-unmatch bar
+'
+
+test_expect_success 'Test that "git rm -- -q" succeeds (remove a file that looks like an option)' '
+	git rm -- -q
+'
+
+test_expect_success FUNNYNAMES 'Test that "git rm -f" succeeds with embedded space, tab, or newline characters.' '
+	git rm -f "space embedded" "tab	embedded" "newline${LF}embedded"
+'
 
 test_expect_success SANITY 'Test that "git rm -f" fails if its rm fails' '
 	test_when_finished "chmod 775 ." &&
@@ -100,9 +101,9 @@ test_expect_success SANITY 'Test that "git rm -f" fails if its rm fails' '
 	test_must_fail git rm -f baz
 '
 
-test_expect_success \
-    'When the rm in "git rm -f" fails, it should not remove the file from the index' \
-    'git ls-files --error-unmatch baz'
+test_expect_success 'When the rm in "git rm -f" fails, it should not remove the file from the index' '
+	git ls-files --error-unmatch baz
+'
 
 test_expect_success 'Remove nonexistent file with --ignore-unmatch' '
 	git rm --ignore-unmatch nonexistent
@@ -137,15 +138,15 @@ test_expect_success 'Re-add foo and baz' '
 test_expect_success 'Modify foo -- rm should refuse' '
 	echo >>foo &&
 	test_must_fail git rm foo baz &&
-	test -f foo &&
-	test -f baz &&
+	test_path_is_file foo &&
+	test_path_is_file baz &&
 	git ls-files --error-unmatch foo baz
 '
 
 test_expect_success 'Modified foo -- rm -f should work' '
 	git rm -f foo baz &&
-	test ! -f foo &&
-	test ! -f baz &&
+	test_path_is_missing foo &&
+	test_path_is_missing baz &&
 	test_must_fail git ls-files --error-unmatch foo &&
 	test_must_fail git ls-files --error-unmatch bar
 '
@@ -159,15 +160,15 @@ test_expect_success 'Re-add foo and baz for HEAD tests' '
 
 test_expect_success 'foo is different in index from HEAD -- rm should refuse' '
 	test_must_fail git rm foo baz &&
-	test -f foo &&
-	test -f baz &&
+	test_path_is_file foo &&
+	test_path_is_file baz &&
 	git ls-files --error-unmatch foo baz
 '
 
 test_expect_success 'but with -f it should work.' '
 	git rm -f foo baz &&
-	test ! -f foo &&
-	test ! -f baz &&
+	test_path_is_missing foo &&
+	test_path_is_missing baz &&
 	test_must_fail git ls-files --error-unmatch foo &&
 	test_must_fail git ls-files --error-unmatch baz
 '
@@ -194,21 +195,21 @@ test_expect_success 'Recursive test setup' '
 
 test_expect_success 'Recursive without -r fails' '
 	test_must_fail git rm frotz &&
-	test -d frotz &&
-	test -f frotz/nitfol
+	test_path_is_dir frotz &&
+	test_path_is_file frotz/nitfol
 '
 
 test_expect_success 'Recursive with -r but dirty' '
 	echo qfwfq >>frotz/nitfol &&
 	test_must_fail git rm -r frotz &&
-	test -d frotz &&
-	test -f frotz/nitfol
+	test_path_is_dir frotz &&
+	test_path_is_file frotz/nitfol
 '
 
 test_expect_success 'Recursive with -r -f' '
 	git rm -f -r frotz &&
-	! test -f frotz/nitfol &&
-	! test -d frotz
+	test_path_is_missing frotz/nitfol &&
+	test_path_is_missing frotz
 '
 
 test_expect_success 'Remove nonexistent file returns nonzero exit status' '
@@ -217,23 +218,25 @@ test_expect_success 'Remove nonexistent file returns nonzero exit status' '
 
 test_expect_success 'Call "rm" from outside the work tree' '
 	mkdir repo &&
-	(cd repo &&
-	 git init &&
-	 echo something >somefile &&
-	 git add somefile &&
-	 git commit -m "add a file" &&
-	 (cd .. &&
-	  git --git-dir=repo/.git --work-tree=repo rm somefile) &&
-	test_must_fail git ls-files --error-unmatch somefile)
+	(
+		cd repo &&
+		git init &&
+		echo something >somefile &&
+		git add somefile &&
+		git commit -m "add a file" &&
+		(
+			cd .. &&
+			git --git-dir=repo/.git --work-tree=repo rm somefile
+		) &&
+		test_must_fail git ls-files --error-unmatch somefile
+	)
 '
 
 test_expect_success 'refresh index before checking if it is up-to-date' '
-
 	git reset --hard &&
 	test-tool chmtime -86400 frotz/nitfol &&
 	git rm frotz/nitfol &&
-	test ! -f frotz/nitfol
-
+	test_path_is_missing frotz/nitfol
 '
 
 test_expect_success 'choking "git rm" should not let it die with cruft' '
@@ -242,8 +245,8 @@ test_expect_success 'choking "git rm" should not let it die with cruft' '
 	i=0 &&
 	while test $i -lt 12000
 	do
-	    echo "100644 1234567890123456789012345678901234567890 0	some-file-$i"
-	    i=$(( $i + 1 ))
+		echo "100644 1234567890123456789012345678901234567890 0	some-file-$i"
+		i=$(( $i + 1 ))
 	done | git update-index --index-info &&
 	git rm -n "some-file-*" | : &&
 	test_path_is_missing .git/index.lock
@@ -254,7 +257,7 @@ test_expect_success 'rm removes subdirectories recursively' '
 	echo content >dir/subdir/subsubdir/file &&
 	git add dir/subdir/subsubdir/file &&
 	git rm -f dir/subdir/subsubdir/file &&
-	! test -d dir
+	test_path_is_missing dir
 '
 
 cat >expect <<EOF
@@ -292,7 +295,7 @@ test_expect_success 'rm removes empty submodules from work tree' '
 	git add .gitmodules &&
 	git commit -m "add submodule" &&
 	git rm submod &&
-	test ! -e submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual &&
 	test_must_fail git config -f .gitmodules submodule.sub.url &&
@@ -314,7 +317,7 @@ test_expect_success 'rm removes work tree of unmodified submodules' '
 	git reset --hard &&
 	git submodule update &&
 	git rm submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual &&
 	test_must_fail git config -f .gitmodules submodule.sub.url &&
@@ -325,7 +328,7 @@ test_expect_success 'rm removes a submodule with a trailing /' '
 	git reset --hard &&
 	git submodule update &&
 	git rm submod/ &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -343,12 +346,12 @@ test_expect_success 'rm of a populated submodule with different HEAD fails unles
 	git submodule update &&
 	git -C submod checkout HEAD^ &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual &&
 	test_must_fail git config -f .gitmodules submodule.sub.url &&
@@ -359,8 +362,8 @@ test_expect_success 'rm --cached leaves work tree of populated submodules and .g
 	git reset --hard &&
 	git submodule update &&
 	git rm --cached submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno >actual &&
 	test_cmp expect.cached actual &&
 	git config -f .gitmodules submodule.sub.url &&
@@ -371,7 +374,7 @@ test_expect_success 'rm --dry-run does not touch the submodule or .gitmodules' '
 	git reset --hard &&
 	git submodule update &&
 	git rm -n submod &&
-	test -f submod/.git &&
+	test_path_is_file submod/.git &&
 	git diff-index --exit-code HEAD
 '
 
@@ -381,8 +384,8 @@ test_expect_success 'rm does not complain when no .gitmodules file is found' '
 	git rm .gitmodules &&
 	git rm submod >actual 2>actual.err &&
 	test_must_be_empty actual.err &&
-	! test -d submod &&
-	! test -f submod/.git &&
+	test_path_is_missing submod &&
+	test_path_is_missing submod/.git &&
 	git status -s -uno >actual &&
 	test_cmp expect.both_deleted actual
 '
@@ -392,15 +395,15 @@ test_expect_success 'rm will error out on a modified .gitmodules file unless sta
 	git submodule update &&
 	git config -f .gitmodules foo.bar true &&
 	test_must_fail git rm submod >actual 2>actual.err &&
-	test -s actual.err &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_file_not_empty actual.err &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git diff-files --quiet -- submod &&
 	git add .gitmodules &&
 	git rm submod >actual 2>actual.err &&
 	test_must_be_empty actual.err &&
-	! test -d submod &&
-	! test -f submod/.git &&
+	test_path_is_missing submod &&
+	test_path_is_missing submod/.git &&
 	git status -s -uno >actual &&
 	test_cmp expect actual
 '
@@ -413,8 +416,8 @@ test_expect_success 'rm issues a warning when section is not found in .gitmodule
 	echo "warning: Could not find section in .gitmodules where path=submod" >expect.err &&
 	git rm submod >actual 2>actual.err &&
 	test_i18ncmp expect.err actual.err &&
-	! test -d submod &&
-	! test -f submod/.git &&
+	test_path_is_missing submod &&
+	test_path_is_missing submod/.git &&
 	git status -s -uno >actual &&
 	test_cmp expect actual
 '
@@ -424,12 +427,12 @@ test_expect_success 'rm of a populated submodule with modifications fails unless
 	git submodule update &&
 	echo X >submod/empty &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified_inside actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -439,12 +442,12 @@ test_expect_success 'rm of a populated submodule with untracked files fails unle
 	git submodule update &&
 	echo X >submod/untracked &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified_untracked actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -481,7 +484,7 @@ test_expect_success 'rm removes work tree of unmodified conflicted submodule' '
 	git submodule update &&
 	test_must_fail git merge conflict2 &&
 	git rm submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -493,12 +496,12 @@ test_expect_success 'rm of a conflicted populated submodule with different HEAD
 	git -C submod checkout HEAD^ &&
 	test_must_fail git merge conflict2 &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.conflict actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual &&
 	test_must_fail git config -f .gitmodules submodule.sub.url &&
@@ -512,12 +515,12 @@ test_expect_success 'rm of a conflicted populated submodule with modifications f
 	echo X >submod/empty &&
 	test_must_fail git merge conflict2 &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.conflict actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual &&
 	test_must_fail git config -f .gitmodules submodule.sub.url &&
@@ -531,12 +534,12 @@ test_expect_success 'rm of a conflicted populated submodule with untracked files
 	echo X >submod/untracked &&
 	test_must_fail git merge conflict2 &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.conflict actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -545,20 +548,21 @@ test_expect_success 'rm of a conflicted populated submodule with a .git director
 	git checkout conflict1 &&
 	git reset --hard &&
 	git submodule update &&
-	(cd submod &&
+	(
+		cd submod &&
 		rm .git &&
 		cp -R ../.git/modules/sub .git &&
 		GIT_WORK_TREE=. git config --unset core.worktree
 	) &&
 	test_must_fail git merge conflict2 &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -d submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_dir submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.conflict actual &&
 	test_must_fail git rm -f submod &&
-	test -d submod &&
-	test -d submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_dir submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.conflict actual &&
 	git merge --abort &&
@@ -570,7 +574,7 @@ test_expect_success 'rm of a conflicted unpopulated submodule succeeds' '
 	git reset --hard &&
 	test_must_fail git merge conflict2 &&
 	git rm submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -579,17 +583,18 @@ test_expect_success 'rm of a populated submodule with a .git directory migrates
 	git checkout -f master &&
 	git reset --hard &&
 	git submodule update &&
-	(cd submod &&
+	(
+		cd submod &&
 		rm .git &&
 		cp -R ../.git/modules/sub .git &&
 		GIT_WORK_TREE=. git config --unset core.worktree &&
 		rm -r ../.git/modules/sub
 	) &&
 	git rm submod 2>output.err &&
-	! test -d submod &&
-	! test -d submod/.git &&
+	test_path_is_missing submod &&
+	test_path_is_missing submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
-	test -s actual &&
+	test_file_not_empty actual &&
 	test_i18ngrep Migrating output.err
 '
 
@@ -600,7 +605,8 @@ EOF
 test_expect_success 'setup subsubmodule' '
 	git reset --hard &&
 	git submodule update &&
-	(cd submod &&
+	(
+		cd submod &&
 		git update-index --add --cacheinfo 160000 $(git rev-parse HEAD) subsubmod &&
 		git config -f .gitmodules submodule.sub.url ../. &&
 		git config -f .gitmodules submodule.sub.path subsubmod &&
@@ -614,7 +620,7 @@ test_expect_success 'setup subsubmodule' '
 
 test_expect_success 'rm recursively removes work tree of unmodified submodules' '
 	git rm submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -624,12 +630,12 @@ test_expect_success 'rm of a populated nested submodule with different nested HE
 	git submodule update --recursive &&
 	git -C submod/subsubmod checkout HEAD^ &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified_inside actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -639,12 +645,12 @@ test_expect_success 'rm of a populated nested submodule with nested modification
 	git submodule update --recursive &&
 	echo X >submod/subsubmod/empty &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified_inside actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -654,12 +660,12 @@ test_expect_success 'rm of a populated nested submodule with nested untracked fi
 	git submodule update --recursive &&
 	echo X >submod/subsubmod/untracked &&
 	test_must_fail git rm submod &&
-	test -d submod &&
-	test -f submod/.git &&
+	test_path_is_dir submod &&
+	test_path_is_file submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect.modified_untracked actual &&
 	git rm -f submod &&
-	test ! -d submod &&
+	test_path_is_missing submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
 	test_cmp expect actual
 '
@@ -667,16 +673,17 @@ test_expect_success 'rm of a populated nested submodule with nested untracked fi
 test_expect_success "rm absorbs submodule's nested .git directory" '
 	git reset --hard &&
 	git submodule update --recursive &&
-	(cd submod/subsubmod &&
+	(
+		cd submod/subsubmod &&
 		rm .git &&
 		mv ../../.git/modules/sub/modules/sub .git &&
 		GIT_WORK_TREE=. git config --unset core.worktree
 	) &&
 	git rm submod 2>output.err &&
-	! test -d submod &&
-	! test -d submod/subsubmod/.git &&
+	test_path_is_missing submod &&
+	test_path_is_missing submod/subsubmod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
-	test -s actual &&
+	test_file_not_empty actual &&
 	test_i18ngrep Migrating output.err
 '
 

t/test-lib-functions.sh

@@ -593,6 +593,15 @@ test_dir_is_empty () {
 	fi
 }
 
+# Check if the file exists and has a size greater than zero
+test_file_not_empty () {
+	if ! test -s "$1"
+	then
+		echo "'$1' is not a non-empty file."
+		false
+	fi
+}
+
 test_path_is_missing () {
 	if test -e "$1"
 	then