Move testing module to deno_std (#1451)

Upgrades deno_std submodule.

js/deps/https/deno.land/x/std

@@ -1 +1 @@
-Subproject commit d3193a09deabaf087f2a3f8d3b8f494d1d38e35d
+Subproject commit b4906387469eba24f868082b263dd44d89a40db7

js/test_util.ts

@@ -8,8 +8,11 @@
 // See tools/unit_tests.py for more details.
 
 import * as deno from "deno";
-import * as testing from "./testing/testing.ts";
+import * as testing from "./deps/https/deno.land/x/std/testing/mod.ts";
-export { assert, assertEqual } from "./testing/testing.ts";
+export {
+  assert,
+  assertEqual
+} from "./deps/https/deno.land/x/std/testing/mod.ts";
 
 // testing.setFilter must be run before any tests are defined.
 testing.setFilter(deno.args[1]);

js/testing/testing.ts

@@ -1,175 +0,0 @@
-/*!
-   Copyright 2018 Propel http://propel.site/.  All rights reserved.
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-// Do not add imports in this file in order to be compatible with Node.
-
-export function assertEqual(actual: unknown, expected: unknown, msg?: string) {
-  if (!equal(actual, expected)) {
-    let actualString: string;
-    let expectedString: string;
-    try {
-      actualString = String(actual);
-    } catch (e) {
-      actualString = "[Cannot display]";
-    }
-    try {
-      expectedString = String(expected);
-    } catch (e) {
-      expectedString = "[Cannot display]";
-    }
-    console.error(
-      "assertEqual failed. actual =",
-      actualString,
-      "expected =",
-      expectedString
-    );
-    if (!msg) {
-      msg = `actual: ${actualString} expected: ${expectedString}`;
-    }
-    throw new Error(msg);
-  }
-}
-
-export function assert(expr: boolean, msg = "") {
-  if (!expr) {
-    throw new Error(msg);
-  }
-}
-
-export function equal(c: unknown, d: unknown): boolean {
-  const seen = new Map();
-  return (function compare(a: unknown, b: unknown) {
-    if (Object.is(a, b)) {
-      return true;
-    }
-    if (a && typeof a === "object" && b && typeof b === "object") {
-      if (seen.get(a) === b) {
-        return true;
-      }
-      if (Object.keys(a || {}).length !== Object.keys(b || {}).length) {
-        return false;
-      }
-      const merged = { ...a, ...b };
-      for (const key in merged) {
-        type Key = keyof typeof merged;
-        if (!compare(a && a[key as Key], b && b[key as Key])) {
-          return false;
-        }
-      }
-      seen.set(a, b);
-      return true;
-    }
-    return false;
-  })(c, d);
-}
-
-export type TestFunction = () => void | Promise<void>;
-
-export interface TestDefinition {
-  fn: TestFunction;
-  name: string;
-}
-
-export const exitOnFail = true;
-
-let filterRegExp: RegExp | null;
-const tests: TestDefinition[] = [];
-
-let filtered = 0;
-const ignored = 0;
-const measured = 0;
-
-// Must be called before any test() that needs to be filtered.
-export function setFilter(s: string): void {
-  filterRegExp = new RegExp(s, "i");
-}
-
-export function test(t: TestDefinition | TestFunction): void {
-  const fn: TestFunction = typeof t === "function" ? t : t.fn;
-  const name: string = t.name;
-
-  if (!name) {
-    throw new Error("Test function may not be anonymous");
-  }
-  if (filter(name)) {
-    tests.push({ fn, name });
-  } else {
-    filtered++;
-  }
-}
-
-function filter(name: string): boolean {
-  if (filterRegExp) {
-    return filterRegExp.test(name);
-  } else {
-    return true;
-  }
-}
-
-const RESET = "\x1b[0m";
-const FG_RED = "\x1b[31m";
-const FG_GREEN = "\x1b[32m";
-
-function red_failed() {
-  return FG_RED + "FAILED" + RESET;
-}
-
-function green_ok() {
-  return FG_GREEN + "ok" + RESET;
-}
-
-async function runTests() {
-  let passed = 0;
-  let failed = 0;
-
-  console.log("running", tests.length, "tests");
-  for (let i = 0; i < tests.length; i++) {
-    const { fn, name } = tests[i];
-    let result = green_ok();
-    console.log("test", name);
-    try {
-      await fn();
-      passed++;
-    } catch (e) {
-      result = red_failed();
-      console.error((e && e.stack) || e);
-      failed++;
-      if (exitOnFail) {
-        break;
-      }
-    }
-    // TODO Do this on the same line as test name is printed.
-    console.log("...", result);
-  }
-
-  // Attempting to match the output of Rust's test runner.
-  const result = failed > 0 ? red_failed() : green_ok();
-  console.log(
-    `\ntest result: ${result}. ${passed} passed; ${failed} failed; ` +
-      `${ignored} ignored; ${measured} measured; ${filtered} filtered out\n`
-  );
-
-  if (failed === 0) {
-    // All good.
-  } else {
-    // Use setTimeout to avoid the error being ignored due to unhandled
-    // promise rejections being swallowed.
-    setTimeout(() => {
-      throw new Error(`There were ${failed} test failures.`);
-    }, 0);
-  }
-}
-
-setTimeout(runTests, 0);

js/testing/testing_test.ts

@@ -1,70 +0,0 @@
-/*!
-   Copyright 2018 Propel http://propel.site/.  All rights reserved.
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
- */
-
-import { test, assert, assertEqual, equal } from "./testing.ts";
-
-test(function testingEqual() {
-  assert(equal("world", "world"));
-  assert(!equal("hello", "world"));
-  assert(equal(5, 5));
-  assert(!equal(5, 6));
-  assert(equal(NaN, NaN));
-  assert(equal({ hello: "world" }, { hello: "world" }));
-  assert(!equal({ world: "hello" }, { hello: "world" }));
-  assert(
-    equal(
-      { hello: "world", hi: { there: "everyone" } },
-      { hello: "world", hi: { there: "everyone" } }
-    )
-  );
-  assert(
-    !equal(
-      { hello: "world", hi: { there: "everyone" } },
-      { hello: "world", hi: { there: "everyone else" } }
-    )
-  );
-});
-
-test(function testingAssertEqual() {
-  const a = Object.create(null);
-  a.b = "foo";
-  assertEqual(a, a);
-});
-
-test(function testingAssertEqualActualUncoercable() {
-  let didThrow = false;
-  const a = Object.create(null);
-  try {
-    assertEqual(a, "bar");
-  } catch (e) {
-    didThrow = true;
-    console.log(e.message);
-    assert(e.message === "actual: [Cannot display] expected: bar");
-  }
-  assert(didThrow);
-});
-
-test(function testingAssertEqualExpectedUncoercable() {
-  let didThrow = false;
-  const a = Object.create(null);
-  try {
-    assertEqual("bar", a);
-  } catch (e) {
-    didThrow = true;
-    console.log(e.message);
-    assert(e.message === "actual: bar expected: [Cannot display]");
-  }
-  assert(didThrow);
-});

tests/fetch_deps.ts

@@ -1,5 +1,5 @@
 // Run ./tools/http_server.py too in order for this test to run.
-import { assert } from "../js/testing/testing.ts";
+import { assert } from "../js/deps/https/deno.land/x/std/testing/mod.ts";
 
 // TODO Top level await https://github.com/denoland/deno/issues/471
 async function main() {

tools/ts_library_builder/test.ts

@@ -3,7 +3,11 @@
 //  ./node_modules/.bin/ts-node --project tools/ts_library_builder/tsconfig.json tools/ts_library_builder/test.ts
 
 import { Project, ts } from "ts-simple-ast";
-import { assert, assertEqual, test } from "../../js/testing/testing";
+import {
+  assert,
+  assertEqual,
+  test
+} from "../../js/deps/https/deno.land/x/std/testing/mod";
 import { flatten, mergeGlobal } from "./build_library";
 import { loadDtsFiles } from "./ast_util";