Start test suite of running git-deps on itself

For #4.

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/self_test.sh b/tests/self_test.sh
new file mode 100755
index 0000000..c2ddfb1
--- /dev/null
+++ b/tests/self_test.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -eo pipefail
+
+# Collection of tests consisting in running `git-deps` on its own repository.
+# The expected outputs of various commands are stored in the `expected_outputs` subdirectory.
+
+# Because git-deps can only be run from the repository's root, this script should be run at
+# the root of a clone of git-deps. The clone should not be shallow, so that all refs can be accessed.
+
+echo "Running test suite"
+
+echo "* Dependencies of 4f27a1e, a regular commit"
+git-deps 4f27a1e^! | sort | diff tests/expected_outputs/deps_4f27a1e -
+
+echo "* Dependencies of 1ba7ad5, a merge commit"
+git-deps 1ba7ad5^! | sort | diff tests/expected_outputs/deps_1ba7ad5 -
+
+# Currently failing:
+#echo "* Dependencies of the root commit"
+# git-deps b196757^! | sort # | diff tests/expected_outputs/deps_b196757 -
+
+echo "All tests passed!"