import { assert, assertNotEquals, assertStrContains, assertArrayContains, assertMatch, assertEquals, assertStrictEq, assertThrows, AssertionError, equal, fail, unimplemented, unreachable,} from "./asserts.ts";import { red, green, gray, bold, yellow } from "../fmt/colors.ts";const { test } = Deno;
test("testingEqual", function (): void { 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" } } ) ); assert(equal(/deno/, /deno/)); assert(!equal(/deno/, /node/)); assert(equal(new Date(2019, 0, 3), new Date(2019, 0, 3))); assert(!equal(new Date(2019, 0, 3), new Date(2019, 1, 3))); assert(equal(new Set([1]), new Set([1]))); assert(!equal(new Set([1]), new Set([2]))); assert(equal(new Set([1, 2, 3]), new Set([3, 2, 1]))); assert(equal(new Set([1, new Set([2, 3])]), new Set([new Set([3, 2]), 1]))); assert(!equal(new Set([1, 2]), new Set([3, 2, 1]))); assert(!equal(new Set([1, 2, 3]), new Set([4, 5, 6]))); assert(equal(new Set("denosaurus"), new Set("denosaurussss"))); assert(equal(new Map(), new Map())); assert( equal( new Map([ ["foo", "bar"], ["baz", "baz"], ]), new Map([ ["foo", "bar"], ["baz", "baz"], ]) ) ); assert( equal( new Map([["foo", new Map([["bar", "baz"]])]]), new Map([["foo", new Map([["bar", "baz"]])]]) ) ); assert( equal( new Map([["foo", { bar: "baz" }]]), new Map([["foo", { bar: "baz" }]]) ) ); assert( equal( new Map([ ["foo", "bar"], ["baz", "qux"], ]), new Map([ ["baz", "qux"], ["foo", "bar"], ]) ) ); assert(equal(new Map([["foo", ["bar"]]]), new Map([["foo", ["bar"]]]))); assert(!equal(new Map([["foo", "bar"]]), new Map([["bar", "baz"]]))); assert( !equal( new Map([["foo", "bar"]]), new Map([ ["foo", "bar"], ["bar", "baz"], ]) ) ); assert( !equal( new Map([["foo", new Map([["bar", "baz"]])]]), new Map([["foo", new Map([["bar", "qux"]])]]) ) ); assert(equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, true]]))); assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, false]]))); assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 2 }, true]]))); assert(equal([1, 2, 3], [1, 2, 3])); assert(equal([1, [2, 3]], [1, [2, 3]])); assert(!equal([1, 2, 3, 4], [1, 2, 3])); assert(!equal([1, 2, 3, 4], [1, 2, 3])); assert(!equal([1, 2, 3, 4], [1, 4, 2, 3])); assert(equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([1, 2, 3, 4]))); assert(!equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([2, 1, 4, 3])));});
test("testingNotEquals", function (): void { const a = { foo: "bar" }; const b = { bar: "foo" }; assertNotEquals(a, b); assertNotEquals("Denosaurus", "Tyrannosaurus"); let didThrow; try { assertNotEquals("Raptor", "Raptor"); didThrow = false; } catch (e) { assert(e instanceof AssertionError); didThrow = true; } assertEquals(didThrow, true);});
test("testingAssertStringContains", function (): void { assertStrContains("Denosaurus", "saur"); assertStrContains("Denosaurus", "Deno"); assertStrContains("Denosaurus", "rus"); let didThrow; try { assertStrContains("Denosaurus", "Raptor"); didThrow = false; } catch (e) { assert(e instanceof AssertionError); didThrow = true; } assertEquals(didThrow, true);});
test("testingArrayContains", function (): void { const fixture = ["deno", "iz", "luv"]; const fixtureObject = [{ deno: "luv" }, { deno: "Js" }]; assertArrayContains(fixture, ["deno"]); assertArrayContains(fixtureObject, [{ deno: "luv" }]); let didThrow; try { assertArrayContains(fixtureObject, [{ deno: "node" }]); didThrow = false; } catch (e) { assert(e instanceof AssertionError); didThrow = true; } assertEquals(didThrow, true);});
test("testingAssertStringContainsThrow", function (): void { let didThrow = false; try { assertStrContains("Denosaurus from Jurassic", "Raptor"); } catch (e) { assert( e.message === `actual: "Denosaurus from Jurassic" expected to contains: "Raptor"` ); assert(e instanceof AssertionError); didThrow = true; } assert(didThrow);});
test("testingAssertStringMatching", function (): void { assertMatch("foobar@deno.com", RegExp(/[a-zA-Z]+@[a-zA-Z]+.com/));});
test("testingAssertStringMatchingThrows", function (): void { let didThrow = false; try { assertMatch("Denosaurus from Jurassic", RegExp(/Raptor/)); } catch (e) { assert( e.message === `actual: "Denosaurus from Jurassic" expected to match: "/Raptor/"` ); assert(e instanceof AssertionError); didThrow = true; } assert(didThrow);});
test("testingAssertsUnimplemented", function (): void { let didThrow = false; try { unimplemented(); } catch (e) { assert(e.message === "unimplemented"); assert(e instanceof AssertionError); didThrow = true; } assert(didThrow);});
test("testingAssertsUnreachable", function (): void { let didThrow = false; try { unreachable(); } catch (e) { assert(e.message === "unreachable"); assert(e instanceof AssertionError); didThrow = true; } assert(didThrow);});
test("testingAssertFail", function (): void { assertThrows(fail, AssertionError, "Failed assertion."); assertThrows( (): void => { fail("foo"); }, AssertionError, "Failed assertion: foo" );});
test("testingAssertFailWithWrongErrorClass", function (): void { assertThrows( (): void => { assertThrows( (): void => { fail("foo"); }, Error, "Failed assertion: foo" ); }, AssertionError, `Expected error to be instance of "Error", but was "AssertionError"` );});
const createHeader = (): string[] => [ "", "", ` ${gray(bold("[Diff]"))} ${red(bold("Actual"))} / ${green( bold("Expected") )}`, "", "",];
const added: (s: string) => string = (s: string): string => green(bold(s));const removed: (s: string) => string = (s: string): string => red(bold(s));
test({ name: "pass case", fn(): void { assertEquals({ a: 10 }, { a: 10 }); assertEquals(true, true); assertEquals(10, 10); assertEquals("abc", "abc"); assertEquals({ a: 10, b: { c: "1" } }, { a: 10, b: { c: "1" } }); },});
test({ name: "failed with number", fn(): void { assertThrows( (): void => assertEquals(1, 2), AssertionError, [ "Values are not equal:", ...createHeader(), removed(`- ${yellow("1")}`), added(`+ ${yellow("2")}`), "", ].join("\n") ); },});
test({ name: "failed with number vs string", fn(): void { assertThrows( (): void => assertEquals(1, "1"), AssertionError, [ "Values are not equal:", ...createHeader(), removed(`- ${yellow("1")}`), added(`+ "1"`), ].join("\n") ); },});
test({ name: "failed with array", fn(): void { assertThrows( (): void => assertEquals([1, "2", 3], ["1", "2", 3]), AssertionError, [ "Values are not equal:", ...createHeader(), removed(`- [ ${yellow("1")}, ${green('"2"')}, ${yellow("3")} ]`), added(`+ [ ${green('"1"')}, ${green('"2"')}, ${yellow("3")} ]`), "", ].join("\n") ); },});
test({ name: "failed with object", fn(): void { assertThrows( (): void => assertEquals({ a: 1, b: "2", c: 3 }, { a: 1, b: 2, c: [3] }), AssertionError, [ "Values are not equal:", ...createHeader(), removed( `- { a: ${yellow("1")}, b: ${green('"2"')}, c: ${yellow("3")} }` ), added( `+ { a: ${yellow("1")}, b: ${yellow("2")}, c: [ ${yellow("3")} ] }` ), "", ].join("\n") ); },});
test({ name: "strict pass case", fn(): void { assertStrictEq(true, true); assertStrictEq(10, 10); assertStrictEq("abc", "abc");
const xs = [1, false, "foo"]; const ys = xs; assertStrictEq(xs, ys);
const x = { a: 1 }; const y = x; assertStrictEq(x, y); },});
test({ name: "strict failed with structure diff", fn(): void { assertThrows( (): void => assertStrictEq({ a: 1, b: 2 }, { a: 1, c: [3] }), AssertionError, [ "Values are not strictly equal:", ...createHeader(), removed(`- { a: ${yellow("1")}, b: ${yellow("2")} }`), added(`+ { a: ${yellow("1")}, c: [ ${yellow("3")} ] }`), "", ].join("\n") ); },});
test({ name: "strict failed with reference diff", fn(): void { assertThrows( (): void => assertStrictEq({ a: 1, b: 2 }, { a: 1, b: 2 }), AssertionError, [ "Values have the same structure but are not reference-equal:\n", red(` { a: ${yellow("1")}, b: ${yellow("2")} }`), ].join("\n") ); },});