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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { stripColor } from "../fmt/colors.ts";import {  assert,  assertEquals,  assertNotStrictEquals,  assertStrictEquals,} from "../testing/asserts.ts";import {  AssertionError,  copyError,  createErrDiff,  inspectValue,} from "./assertion_error.ts";
Deno.test({  name: "copyError()",  fn() {    class TestError extends Error {}    const err = new TestError("this is a test");    const copy = copyError(err);
    assert(copy instanceof Error, "Copy should inherit from Error.");    assert(copy instanceof TestError, "Copy should inherit from TestError.");    assertEquals(copy, err, "Copy should be equal to the original error.");    assertNotStrictEquals(      copy,      err,      "Copy should not be strictly equal to the original error.",    );  },});
Deno.test({  name: "inspectValue()",  fn() {    const obj = { a: 1, b: [2] };    Object.defineProperty(obj, "c", { value: 3, enumerable: false });    assertStrictEquals(      stripColor(inspectValue(obj)),      "{ a: 1, b: [ 2 ] }",    );  },});
Deno.test({  name: "createErrDiff()",  fn() {    assertStrictEquals(      stripColor(        createErrDiff({ a: 1, b: 2 }, { a: 2, b: 2 }, "strictEqual"),      ),      stripColor(        'Expected "actual" to be reference-equal to "expected":' + "\n" +          "+ actual - expected" + "\n" +          "\n" +          "+ { a: 1, b: 2 }" + "\n" +          "- { a: 2, b: 2 }",      ),    );  },});
Deno.test({  name: "construct AssertionError() with given message",  fn() {    const err = new AssertionError(      {        message: "answer",        actual: "42",        expected: "42",        operator: "notStrictEqual",      },    );    assertStrictEquals(err.name, "AssertionError");    assertStrictEquals(err.message, "answer");    assertStrictEquals(err.generatedMessage, false);    assertStrictEquals(err.code, "ERR_ASSERTION");    assertStrictEquals(err.actual, "42");    assertStrictEquals(err.expected, "42");    assertStrictEquals(err.operator, "notStrictEqual");  },});
Deno.test({  name: "construct AssertionError() with generated message",  fn() {    const err = new AssertionError(      { actual: 1, expected: 2, operator: "equal" },    );    assertStrictEquals(err.name, "AssertionError");    assertStrictEquals(stripColor(err.message), "1 equal 2");    assertStrictEquals(err.generatedMessage, true);    assertStrictEquals(err.code, "ERR_ASSERTION");    assertStrictEquals(err.actual, 1);    assertStrictEquals(err.expected, 2);    assertStrictEquals(err.operator, "equal");  },});
Deno.test({  name: "construct AssertionError() with stackStartFn",  fn: function stackStartFn() {    const expected = /node/;    const err = new AssertionError({      actual: "deno",      expected,      operator: "match",      stackStartFn,    });    assertStrictEquals(err.name, "AssertionError");    assertStrictEquals(stripColor(err.message), `'deno' match /node/`);    assertStrictEquals(err.generatedMessage, true);    assertStrictEquals(err.code, "ERR_ASSERTION");    assertStrictEquals(err.actual, "deno");    assertStrictEquals(err.expected, expected);    assertStrictEquals(err.operator, "match");    assert(err.stack, "error should have a stack");    assert(      !err.stack?.includes("stackStartFn"),      "stackStartFn() should not present in stack trace",    );  },});
Deno.test({  name: "error details",  fn() {    const stack0 = new Error();    const stack1 = new Error();    const err = new AssertionError({      message: "Function(s) were not called the expected number of times",      details: [        {          message:            "Expected the calls function to be executed 2 time(s) but was executed 3 time(s).",          actual: 3,          expected: 2,          operator: "calls",          stack: stack0,        },        {          message:            "Expected the fn function to be executed 1 time(s) but was executed 0 time(s).",          actual: 0,          expected: 1,          operator: "fn",          stack: stack1,        },      ],    });
    assertStrictEquals(      err.message,      "Function(s) were not called the expected number of times",    );
    assertStrictEquals(      err["message 0"],      "Expected the calls function to be executed 2 time(s) but was executed 3 time(s).",    );    assertStrictEquals(err["actual 0"], 3);    assertStrictEquals(err["expected 0"], 2);    assertStrictEquals(err["operator 0"], "calls");    assertStrictEquals(err["stack trace 0"], stack0);
    assertStrictEquals(      err["message 1"],      "Expected the fn function to be executed 1 time(s) but was executed 0 time(s).",    );    assertStrictEquals(err["actual 1"], 0);    assertStrictEquals(err["expected 1"], 1);    assertStrictEquals(err["operator 1"], "fn");    assertStrictEquals(err["stack trace 1"], stack1);  },});