1 files changed, 36 insertions, 0 deletions
diff --git a/crates/shirabe/tests/event_dispatcher/fixtures/phpunit_test_case.php b/crates/shirabe/tests/event_dispatcher/fixtures/phpunit_test_case.php
new file mode 100644
index 00000000..72446369
--- /dev/null
+++ b/crates/shirabe/tests/event_dispatcher/fixtures/phpunit_test_case.php
@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+
+namespace PHPUnit\Framework;
+
+/**
+ * Stands in for the base class of `Composer\Test\TestCase`, which the Composer PHP runtime
+ * bundle does not carry. Declaring it is all the worker needs to require the upstream
+ * `EventDispatcherTest` from the Composer checkout and call its listener methods.
+ *
+ * The two assertions are the only PHPUnit members those listeners use, and they report failure
+ * the way PHPUnit does, by throwing.
+ */
+class TestCase
+{
+    public static function assertStringContainsString(string $needle, string $haystack, string $message = ''): void
+    {
+        if (!str_contains($haystack, $needle)) {
+            throw new \RuntimeException($message !== '' ? $message : sprintf(
+                'Failed asserting that %s contains %s.',
+                var_export($haystack, true),
+                var_export($needle, true)
+            ));
+        }
+    }
+
+    public static function assertStringNotContainsString(string $needle, string $haystack, string $message = ''): void
+    {
+        if (str_contains($haystack, $needle)) {
+            throw new \RuntimeException($message !== '' ? $message : sprintf(
+                'Failed asserting that %s does not contain %s.',
+                var_export($haystack, true),
+                var_export($needle, true)
+            ));
+        }
+    }
+}