t7063: add tests for core.untrackedCache

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t7063-status-untracked-cache.sh

@@ -18,6 +18,10 @@ if ! test_have_prereq UNTRACKED_CACHE; then
 	test_done
 fi
 
+test_expect_success 'core.untrackedCache is unset' '
+	test_must_fail git config --get core.untrackedCache
+'
+
 test_expect_success 'setup' '
 	git init worktree &&
 	cd worktree &&
@@ -30,13 +34,13 @@ test_expect_success 'setup' '
 
 test_expect_success 'untracked cache is empty' '
 	test-dump-untracked-cache >../actual &&
-	cat >../expect <<EOF &&
+	cat >../expect-empty <<EOF &&
 info/exclude 0000000000000000000000000000000000000000
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
 flags 00000006
 EOF
-	test_cmp ../expect ../actual
+	test_cmp ../expect-empty ../actual
 '
 
 cat >../status.expect <<EOF &&
@@ -506,7 +510,7 @@ EOF
 
 test_expect_success 'verify untracked cache dump (sparse/subdirs)' '
 	test-dump-untracked-cache >../actual &&
-	cat >../expect <<EOF &&
+	cat >../expect-from-test-dump <<EOF &&
 info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
@@ -525,7 +529,7 @@ file
 /dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
 two
 EOF
-	test_cmp ../expect ../actual
+	test_cmp ../expect-from-test-dump ../actual
 '
 
 test_expect_success 'test sparse status again with untracked cache and subdir' '
@@ -569,4 +573,77 @@ EOF
 	test_cmp ../status.expect ../status.actual
 '
 
+test_expect_success '--no-untracked-cache removes the cache' '
+	git update-index --no-untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	echo "no untracked cache" >../expect-no-uc &&
+	test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'git status does not change anything' '
+	git status &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to true and using git status creates the cache' '
+	git config core.untrackedCache true &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-no-uc ../actual &&
+	git status &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-from-test-dump ../actual
+'
+
+test_expect_success 'using --no-untracked-cache does not fail when core.untrackedCache is true' '
+	git update-index --no-untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-no-uc ../actual &&
+	git update-index --untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-empty ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to false and using git status removes the cache' '
+	git config core.untrackedCache false &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-empty ../actual &&
+	git status &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'using --untracked-cache does not fail when core.untrackedCache is false' '
+	git update-index --untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-empty ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to keep' '
+	git config core.untrackedCache keep &&
+	git update-index --untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-empty ../actual &&
+	git status &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-from-test-dump ../actual &&
+	git update-index --no-untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-no-uc ../actual &&
+	git update-index --force-untracked-cache &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-empty ../actual &&
+	git status &&
+	test-dump-untracked-cache >../actual &&
+	test_cmp ../expect-from-test-dump ../actual
+'
+
+test_expect_success 'test ident field is working' '
+	mkdir ../other_worktree &&
+	cp -R done dthree dtwo four three ../other_worktree &&
+	GIT_WORK_TREE=../other_worktree git status 2>../err &&
+	echo "warning: Untracked cache is disabled on this system or location." >../expect &&
+	test_cmp ../expect ../err
+'
+
 test_done