1 files changed, 148 insertions, 0 deletions
diff --git a/third_party/git/t/t0066-dir-iterator.sh b/third_party/git/t/t0066-dir-iterator.sh
new file mode 100755
index 000000000000..92910e4e6c13
--- /dev/null
+++ b/third_party/git/t/t0066-dir-iterator.sh
@@ -0,0 +1,148 @@
+#!/bin/sh
+
+test_description='Test the dir-iterator functionality'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	mkdir -p dir &&
+	mkdir -p dir/a/b/c/ &&
+	>dir/b &&
+	>dir/c &&
+	mkdir -p dir/d/e/d/ &&
+	>dir/a/b/c/d &&
+	>dir/a/e &&
+	>dir/d/e/d/a &&
+
+	mkdir -p dir2/a/b/c/ &&
+	>dir2/a/b/c/d
+'
+
+test_expect_success 'dir-iterator should iterate through all files' '
+	cat >expected-iteration-sorted-output <<-EOF &&
+	[d] (a) [a] ./dir/a
+	[d] (a/b) [b] ./dir/a/b
+	[d] (a/b/c) [c] ./dir/a/b/c
+	[d] (d) [d] ./dir/d
+	[d] (d/e) [e] ./dir/d/e
+	[d] (d/e/d) [d] ./dir/d/e/d
+	[f] (a/b/c/d) [d] ./dir/a/b/c/d
+	[f] (a/e) [e] ./dir/a/e
+	[f] (b) [b] ./dir/b
+	[f] (c) [c] ./dir/c
+	[f] (d/e/d/a) [a] ./dir/d/e/d/a
+	EOF
+
+	test-tool dir-iterator ./dir >out &&
+	sort out >./actual-iteration-sorted-output &&
+
+	test_cmp expected-iteration-sorted-output actual-iteration-sorted-output
+'
+
+test_expect_success 'dir-iterator should list files in the correct order' '
+	cat >expected-pre-order-output <<-EOF &&
+	[d] (a) [a] ./dir2/a
+	[d] (a/b) [b] ./dir2/a/b
+	[d] (a/b/c) [c] ./dir2/a/b/c
+	[f] (a/b/c/d) [d] ./dir2/a/b/c/d
+	EOF
+
+	test-tool dir-iterator ./dir2 >actual-pre-order-output &&
+
+	test_cmp expected-pre-order-output actual-pre-order-output
+'
+
+test_expect_success 'begin should fail upon inexistent paths' '
+	test_must_fail test-tool dir-iterator ./inexistent-path \
+		>actual-inexistent-path-output &&
+	echo "dir_iterator_begin failure: ENOENT" >expected-inexistent-path-output &&
+	test_cmp expected-inexistent-path-output actual-inexistent-path-output
+'
+
+test_expect_success 'begin should fail upon non directory paths' '
+	test_must_fail test-tool dir-iterator ./dir/b >actual-non-dir-output &&
+	echo "dir_iterator_begin failure: ENOTDIR" >expected-non-dir-output &&
+	test_cmp expected-non-dir-output actual-non-dir-output
+'
+
+test_expect_success POSIXPERM,SANITY 'advance should not fail on errors by default' '
+	cat >expected-no-permissions-output <<-EOF &&
+	[d] (a) [a] ./dir3/a
+	EOF
+
+	mkdir -p dir3/a &&
+	>dir3/a/b &&
+	chmod 0 dir3/a &&
+
+	test-tool dir-iterator ./dir3 >actual-no-permissions-output &&
+	test_cmp expected-no-permissions-output actual-no-permissions-output &&
+	chmod 755 dir3/a &&
+	rm -rf dir3
+'
+
+test_expect_success POSIXPERM,SANITY 'advance should fail on errors, w/ pedantic flag' '
+	cat >expected-no-permissions-pedantic-output <<-EOF &&
+	[d] (a) [a] ./dir3/a
+	dir_iterator_advance failure
+	EOF
+
+	mkdir -p dir3/a &&
+	>dir3/a/b &&
+	chmod 0 dir3/a &&
+
+	test_must_fail test-tool dir-iterator --pedantic ./dir3 \
+		>actual-no-permissions-pedantic-output &&
+	test_cmp expected-no-permissions-pedantic-output \
+		actual-no-permissions-pedantic-output &&
+	chmod 755 dir3/a &&
+	rm -rf dir3
+'
+
+test_expect_success SYMLINKS 'setup dirs with symlinks' '
+	mkdir -p dir4/a &&
+	mkdir -p dir4/b/c &&
+	>dir4/a/d &&
+	ln -s d dir4/a/e &&
+	ln -s ../b dir4/a/f &&
+
+	mkdir -p dir5/a/b &&
+	mkdir -p dir5/a/c &&
+	ln -s ../c dir5/a/b/d &&
+	ln -s ../ dir5/a/b/e &&
+	ln -s ../../ dir5/a/b/f
+'
+
+test_expect_success SYMLINKS 'dir-iterator should not follow symlinks by default' '
+	cat >expected-no-follow-sorted-output <<-EOF &&
+	[d] (a) [a] ./dir4/a
+	[d] (b) [b] ./dir4/b
+	[d] (b/c) [c] ./dir4/b/c
+	[f] (a/d) [d] ./dir4/a/d
+	[s] (a/e) [e] ./dir4/a/e
+	[s] (a/f) [f] ./dir4/a/f
+	EOF
+
+	test-tool dir-iterator ./dir4 >out &&
+	sort out >actual-no-follow-sorted-output &&
+
+	test_cmp expected-no-follow-sorted-output actual-no-follow-sorted-output
+'
+
+test_expect_success SYMLINKS 'dir-iterator should follow symlinks w/ follow flag' '
+	cat >expected-follow-sorted-output <<-EOF &&
+	[d] (a) [a] ./dir4/a
+	[d] (a/f) [f] ./dir4/a/f
+	[d] (a/f/c) [c] ./dir4/a/f/c
+	[d] (b) [b] ./dir4/b
+	[d] (b/c) [c] ./dir4/b/c
+	[f] (a/d) [d] ./dir4/a/d
+	[f] (a/e) [e] ./dir4/a/e
+	EOF
+
+	test-tool dir-iterator --follow-symlinks ./dir4 >out &&
+	sort out >actual-follow-sorted-output &&
+
+	test_cmp expected-follow-sorted-output actual-follow-sorted-output
+'
+
+test_done