core.fsyncmethod: tests for batch mode

Add test cases to exercise batch mode for:
 * 'git add'
 * 'git stash'
 * 'git update-index'
 * 'git unpack-objects'

These tests ensure that the added data winds up in the object database.

In this change we introduce a new test helper lib-unique-files.sh. The
goal of this library is to create a tree of files that have different
oids from any other files that may have been created in the current test
repo. This helps us avoid missing validation of an object being added
due to it already being in the repo.

Signed-off-by: Neeraj Singh <neerajsi@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/t/lib-unique-files.sh b/t/lib-unique-files.sh
new file mode 100644
index 0000000000..a14080fe79
--- /dev/null
+++ b/t/lib-unique-files.sh
@@ -0,0 +1,34 @@
+# Helper to create files with unique contents
+
+# Create multiple files with unique contents within this test run. Takes the
+# number of directories, the number of files in each directory, and the base
+# directory.
+#
+# test_create_unique_files 2 3 my_dir -- Creates 2 directories with 3 files
+#					 each in my_dir, all with contents
+#					 different from previous invocations
+#					 of this command in this run.
+
+test_create_unique_files () {
+	test "$#" -ne 3 && BUG "3 param"
+
+	local dirs="$1" &&
+	local files="$2" &&
+	local basedir="$3" &&
+	local counter="0" &&
+	local i &&
+	local j &&
+	test_tick &&
+	local basedata="$basedir$test_tick" &&
+	rm -rf "$basedir" &&
+	for i in $(test_seq $dirs)
+	do
+		local dir="$basedir/dir$i" &&
+		mkdir -p "$dir" &&
+		for j in $(test_seq $files)
+		do
+			counter=$((counter + 1)) &&
+			echo "$basedata.$counter">"$dir/file$j.txt"
+		done
+	done
+}