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

test/stub_and_echo.test.sh

@@ -0,0 +1,43 @@
+#! /usr/bin/env bash
+source "test-helper.sh"
+
+#
+# stub_and_echo() tests.
+#
+
+
+# Stubbing a bash function.
+my-name-is() { echo "My name is $@."; }
+assert "my-name-is Edward Elric" "My name is Edward Elric."
+
+stub_and_echo "my-name-is" "Hohenheim"
+assert "my-name-is" "Hohenheim"
+assert "my-name-is Edward" "Hohenheim"
+assert "my-name-is Edward Elric" "Hohenheim"
+unset -f my-name-is
+
+
+# Stubbing a executable file.
+stub_and_echo "uname" "State Alchemist"
+assert "uname" "State Alchemist"
+assert "uname -h" "State Alchemist"
+unset -f uname
+
+
+# Redirect stub output to STDERR.
+my-name-is() { echo "My name is $@."; }
+stub_and_echo "my-name-is" "Hohenheim" STDERR
+assert "my-name-is Edward" ""
+assert "my-name-is Edward 2>&1" "Hohenheim"
+unset -f my-name-is
+
+
+# Stubbing something that doesn't exist.
+stub_and_echo "cowabunga-dude" "Surf's up dude :D"
+assert "cowabunga-dude" "Surf's up dude :D"
+assert "cowabunga-dude yeah dude" "Surf's up dude :D"
+unset -f cowabunga-dude
+
+
+# End of tests.
+assert_end "stub_and_echo()"