Use test-runner.sh instead of homegrown test.sh

test/stub_called.test.sh

@@ -0,0 +1,44 @@
+#! /usr/bin/env bash
+source "test-helper.sh"
+
+#
+# stub_called() tests.
+#
+
+# Returns 1 when stub doesn't exist.
+assert_raises 'stub_called "uname"' 1
+
+# Returns 1 when stub hasn't been called.
+stub "uname"
+assert_raises 'stub_called "uname"' 1
+restore "uname"
+
+# Returns 0 when stub has been called.
+stub "uname"
+uname
+assert_raises 'stub_called "uname"' 0
+restore "uname"
+
+# Stub called state is reset by creating a new stub, not by restore.
+stub "uname"
+uname
+restore "uname"
+assert_raises 'stub_called "uname"' 0
+stub "uname"
+assert_raises 'stub_called "uname"' 1
+restore "uname"
+
+# Recreating a stub only resets called state of recreated stub.
+stub "uname"
+stub "top"
+uname
+top
+stub "uname"
+assert_raises 'stub_called "uname"' 1
+assert_raises 'stub_called "top"' 0
+restore "uname"
+restore "top"
+
+
+# End of tests.
+assert_end "stub_called()"