1 files changed, 56 insertions, 0 deletions
diff --git a/tests/runner.js b/tests/runner.js
new file mode 100644
index 0000000..2e4e2ce
--- /dev/null
+++ b/tests/runner.js
@@ -0,0 +1,56 @@
+import { getExit, ARGV } from "../src/compat.js";
+import { eq } from "../src/utils.js";
+
+class AssertionError extends Error {}
+
+const red    = s => `\x1b[31m${s}\x1b[0m`;
+const green  = s => `\x1b[32m${s}\x1b[0m`;
+const yellow = s => `\x1b[33m${s}\x1b[0m`;
+
+const t = {
+	tap: x => {
+		console.error("tap:", x);
+		return x;
+	},
+	start: msg => {
+		console.error(`${msg}:`);
+	},
+	test: (msg, fn) => {
+		try {
+			fn();
+			console.error(`${yellow("testing")}: ${msg}... ${green("OK")}`);
+		} catch (e) {
+			console.error(`${yellow("testing")}: ${msg}... ${red("FAIL")}`);
+			throw e;
+		}
+	},
+	assertEq: (expected, given, msg = "") => {
+		if (!eq(expected, given)) {
+			console.error("expected:", expected, "\ngiven:   ", given);
+			throw new AssertionError(`${red(msg)}`);
+		}
+	},
+	assert: (x, msg = "") => {
+		if (!x) {
+			throw new AssertionError(`${red(msg)}`);
+		}
+	},
+};
+
+const main = async () => {
+	const { tests } = await import(`../${ARGV[1]}`);
+	for (const testFn of tests) {
+		await testFn(t);
+	}
+};
+
+
+getExit().then(async exit => {
+	try {
+		await main();
+		exit(0);
+	} catch (e) {
+		console.error(e);
+		exit(1);
+	}
+});