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[PATCH v10 1/5] dir_iterator: add tests for dir_iterator API




Create t/helper/test-dir-iterator.c, which prints relevant information
about a directory tree iterated over with dir_iterator.

Create t/t0065-dir-iterator.sh, which tests that dir_iterator does
iterate through a whole directory tree.

Signed-off-by: Daniel Ferreira <bnmvco@xxxxxxxxx>
---
 Makefile                     |  1 +
 t/helper/.gitignore          |  1 +
 t/helper/test-dir-iterator.c | 30 ++++++++++++++++++++++++
 t/t0065-dir-iterator.sh      | 55 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 87 insertions(+)
 create mode 100644 t/helper/test-dir-iterator.c
 create mode 100755 t/t0065-dir-iterator.sh

diff --git a/Makefile b/Makefile
index d595ea3..a5c1ac0 100644
--- a/Makefile
+++ b/Makefile
@@ -614,6 +614,7 @@ TEST_PROGRAMS_NEED_X += test-ctype
 TEST_PROGRAMS_NEED_X += test-config
 TEST_PROGRAMS_NEED_X += test-date
 TEST_PROGRAMS_NEED_X += test-delta
+TEST_PROGRAMS_NEED_X += test-dir-iterator
 TEST_PROGRAMS_NEED_X += test-dump-cache-tree
 TEST_PROGRAMS_NEED_X += test-dump-split-index
 TEST_PROGRAMS_NEED_X += test-dump-untracked-cache
diff --git a/t/helper/.gitignore b/t/helper/.gitignore
index 758ed2e..a7d74d3 100644
--- a/t/helper/.gitignore
+++ b/t/helper/.gitignore
@@ -3,6 +3,7 @@
 /test-config
 /test-date
 /test-delta
+/test-dir-iterator
 /test-dump-cache-tree
 /test-dump-split-index
 /test-dump-untracked-cache
diff --git a/t/helper/test-dir-iterator.c b/t/helper/test-dir-iterator.c
new file mode 100644
index 0000000..a7d1470
--- /dev/null
+++ b/t/helper/test-dir-iterator.c
@@ -0,0 +1,30 @@
+#include "git-compat-util.h"
+#include "strbuf.h"
+#include "iterator.h"
+#include "dir-iterator.h"
+
+int cmd_main(int argc, const char **argv)
+{
+	struct strbuf path = STRBUF_INIT;
+	struct dir_iterator *diter;
+
+	if (argc < 2)
+		die("BUG: test-dir-iterator needs one argument");
+
+	strbuf_add(&path, argv[1], strlen(argv[1]));
+
+	diter = dir_iterator_begin(path.buf);
+
+	while (dir_iterator_advance(diter) == ITER_OK) {
+		if (S_ISDIR(diter->st.st_mode))
+			printf("[d] ");
+		else if (S_ISREG(diter->st.st_mode))
+			printf("[f] ");
+		else
+			printf("[?] ");
+
+		printf("(%s) [%s] %s\n", diter->relative_path, diter->basename, diter->path.buf);
+	}
+
+	return 0;
+}
diff --git a/t/t0065-dir-iterator.sh b/t/t0065-dir-iterator.sh
new file mode 100755
index 0000000..46e5ce5
--- /dev/null
+++ b/t/t0065-dir-iterator.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+test_description='Test directory iteration.'
+
+. ./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 >expect-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-dir-iterator ./dir >out &&
+	sort <out >./actual-pre-order-sorted-output &&
+
+	test_cmp expect-sorted-output actual-pre-order-sorted-output
+'
+
+test_expect_success 'dir-iterator should list files in the correct order' '
+	cat >expect-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-dir-iterator ./dir2 >actual-pre-order-output &&
+
+	test_cmp expect-pre-order-output actual-pre-order-output
+'
+
+test_done
-- 
2.7.4 (Apple Git-66)