Remove std/testing/format.ts

std/testing/asserts.ts

@@ -1,7 +1,6 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 import { red, green, white, gray, bold } from "../fmt/colors.ts";
 import diff, { DiffType, DiffResult } from "./diff.ts";
-import { format } from "./format.ts";
 
 const CAN_NOT_DISPLAY = "[Cannot display]";
 
@@ -17,12 +16,12 @@ export class AssertionError extends Error {
  }
 }
 
-function createStr(v: unknown): string {
- try {
- return format(v);
- } catch (e) {
- return red(CAN_NOT_DISPLAY);
+function format(v: unknown): string {
+ let string = Deno.inspect(v);
+ if (typeof v == "string") {
+ string = `"${string.replace(/(?=["\\])/g, "\\")}"`;
  }
+ return string;
 }
 
 function createColor(diffType: DiffType): (s: string) => string {
@@ -150,8 +149,8 @@ export function assertEquals(
  return;
  }
  let message = "";
- const actualString = createStr(actual);
- const expectedString = createStr(expected);
+ const actualString = format(actual);
+ const expectedString = format(expected);
  try {
  const diffResult = diff(
  actualString.split("\n"),

std/testing/asserts_test.ts

@@ -14,7 +14,7 @@ import {
  unimplemented,
  unreachable,
 } from "./asserts.ts";
-import { red, green, white, gray, bold } from "../fmt/colors.ts";
+import { red, green, gray, bold } from "../fmt/colors.ts";
 const { test } = Deno;
 
 test(function testingEqual(): void {
@@ -302,12 +302,8 @@ test({
  AssertionError,
  [
  ...createHeader(),
- white(" Array ["),
- removed(`- 1,`),
- added(`+ "1",`),
- white(' "2",'),
- white(" 3,"),
- white(" ]"),
+ removed(`- [ 1, "2", 3 ]`),
+ added(`+ [ "1", "2", 3 ]`),
  "",
  ].join("\n")
  );
@@ -322,15 +318,8 @@ test({
  AssertionError,
  [
  ...createHeader(),
- white(" Object {"),
- white(` "a": 1,`),
- added(`+ "b": 2,`),
- added(`+ "c": Array [`),
- added(`+ 3,`),
- added(`+ ],`),
- removed(`- "b": "2",`),
- removed(`- "c": 3,`),
- white(" }"),
+ removed(`- { a: 1, b: "2", c: 3 }`),
+ added(`+ { a: 1, b: 2, c: [ 3 ] }`),
  "",
  ].join("\n")
  );