Refactor asserts in testing (denoland/deno_std#227)

Original: https://github.com/denoland/deno_std/commit/c734e3234322cea5298a887373fe4ad1591d7c97

1 files changed, 46 insertions, 0 deletions

diff --git a/testing/asserts_test.ts b/testing/asserts_test.ts
new file mode 100644
index 000000000..f4256d8f5
--- /dev/null
+++ b/testing/asserts_test.ts
@@ -0,0 +1,46 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+import { assertStrContains, assertMatch } from "./asserts.ts";
+import { test, assert } from "./mod.ts";
+// import { assertEqual as prettyAssertEqual } from "./pretty.ts";
+// import "./format_test.ts";
+// import "./diff_test.ts";
+// import "./pretty_test.ts";
+
+test(function testingAssertStringContains() {
+  assertStrContains("Denosaurus", "saur");
+  assertStrContains("Denosaurus", "Deno");
+  assertStrContains("Denosaurus", "rus");
+});
+
+test(function testingAssertStringContainsThrow() {
+  let didThrow = false;
+  try {
+    assertStrContains("Denosaurus from Jurassic", "Raptor");
+  } catch (e) {
+    assert(
+      e.message ===
+        `actual: "Denosaurus from Jurassic" expected to contains: "Raptor"`
+    );
+    didThrow = true;
+  }
+  assert(didThrow);
+});
+
+test(function testingAssertStringMatching() {
+  assertMatch("foobar@deno.com", RegExp(/[a-zA-Z]+@[a-zA-Z]+.com/));
+});
+
+test(function testingAssertStringMatchingThrows() {
+  let didThrow = false;
+  try {
+    assertMatch("Denosaurus from Jurassic", RegExp(/Raptor/));
+  } catch (e) {
+    assert(
+      e.message ===
+        `actual: "Denosaurus from Jurassic" expected to match: "/Raptor/"`
+    );
+    didThrow = true;
+  }
+  assert(didThrow);
+});