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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import { test } from "./mod.ts";
import { red, green, white, gray, bold } from "../colors/mod.ts";
import { assertEquals } from "./pretty.ts";
import { assertThrows } from "./asserts.ts";
const createHeader = (): string[] => [
"",
"",
` ${gray(bold("[Diff]"))} ${red(bold("Left"))} / ${green(bold("Right"))}`,
"",
""
];
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),
Error,
[...createHeader(), removed(`- 1`), added(`+ 2`), ""].join("\n")
);
}
});
test({
name: "failed with number vs string",
fn(): void {
assertThrows(
(): void => assertEquals(1, "1"),
Error,
[...createHeader(), removed(`- 1`), added(`+ "1"`)].join("\n")
);
}
});
test({
name: "failed with array",
fn(): void {
assertThrows(
(): void => assertEquals([1, "2", 3], ["1", "2", 3]),
Error,
[
...createHeader(),
white(" Array ["),
removed(`- 1,`),
added(`+ "1",`),
white(' "2",'),
white(" 3,"),
white(" ]"),
""
].join("\n")
);
}
});
test({
name: "failed with object",
fn(): void {
assertThrows(
(): void => assertEquals({ a: 1, b: "2", c: 3 }, { a: 1, b: 2, c: [3] }),
Error,
[
...createHeader(),
white(" Object {"),
white(` "a": 1,`),
added(`+ "b": 2,`),
added(`+ "c": Array [`),
added(`+ 3,`),
added(`+ ],`),
removed(`- "b": "2",`),
removed(`- "c": 3,`),
white(" }"),
""
].join("\n")
);
}
});
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