Adds js/unit_tests.ts (#448)

1 files changed, 114 insertions, 0 deletions

diff --git a/js/unit_tests.ts b/js/unit_tests.ts
new file mode 100644
index 000000000..6989e22c4
--- /dev/null
+++ b/js/unit_tests.ts
@@ -0,0 +1,114 @@
+// Copyright 2018 the Deno authors. All rights reserved. MIT license.
+// This test is executed as part of integration_test.go
+// But it can also be run manually:
+//  ./deno tests.ts
+
+import { test, assert, assertEqual } from "./testing/testing.ts";
+// import { readFileSync, writeFileSync } from "deno";
+
+test(async function tests_test() {
+  assert(true);
+});
+
+test(function tests_console_assert() {
+  console.assert(true);
+
+  let hasThrown = false;
+  try {
+    console.assert(false);
+  } catch {
+    hasThrown = true;
+  }
+  assertEqual(hasThrown, true);
+});
+
+test(function tests_console_stringify_circular() {
+  class Base {
+    a = 1;
+    m1() {}
+  }
+
+  class Extended extends Base {
+    b = 2;
+    m2() {}
+  }
+
+  // tslint:disable-next-line:no-any
+  const nestedObj: any = {
+    num: 1,
+    bool: true,
+    str: "a",
+    method() {},
+    un: undefined,
+    nu: null,
+    arrowFunc: () => {},
+    extendedClass: new Extended(),
+    nFunc: new Function(),
+    extendedCstr: Extended
+  };
+
+  const circularObj = {
+    num: 2,
+    bool: false,
+    str: "b",
+    method() {},
+    un: undefined,
+    nu: null,
+    nested: nestedObj,
+    emptyObj: {},
+    arr: [1, "s", false, null, nestedObj],
+    baseClass: new Base()
+  };
+
+  nestedObj.o = circularObj;
+
+  try {
+    console.log(1);
+    console.log("s");
+    console.log(false);
+    console.log(Symbol(1));
+    console.log(null);
+    console.log(undefined);
+    console.log(new Extended());
+    console.log(function f() {});
+    console.log(nestedObj);
+    console.log(JSON);
+    console.log(console);
+  } catch {
+    throw new Error("Expected no crash on circular object");
+  }
+});
+
+/*
+test(async function tests_fetch() {
+  const response = await fetch("http://localhost:4545/package.json");
+  const json = await response.json();
+  assertEqual(json.name, "deno");
+});
+
+test(async function tests_readFileSync() {
+  const data = readFileSync("package.json");
+  if (!data.byteLength) {
+    throw Error(
+      `Expected positive value for data.byteLength ${data.byteLength}`
+    );
+  }
+  const decoder = new TextDecoder("utf-8");
+  const json = decoder.decode(data);
+  const pkg = JSON.parse(json);
+  assertEqual(pkg.name, "deno");
+});
+
+test(async function tests_writeFileSync() {
+  const enc = new TextEncoder();
+  const data = enc.encode("Hello");
+  // TODO need ability to get tmp dir.
+  const fn = "/tmp/test.txt";
+  writeFileSync("/tmp/test.txt", data, 0o666);
+  const dataRead = readFileSync("/tmp/test.txt");
+  const dec = new TextDecoder("utf-8");
+  const actual = dec.decode(dataRead);
+  assertEqual("Hello", actual);
+});
+
+*/