67 lines
2.0 KiB
TypeScript
67 lines
2.0 KiB
TypeScript
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import { expect, test } from "bun:test";
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import { bunEnv, bunExe, tempDir } from "harness";
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// https://github.com/oven-sh/bun/issues/18028
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// Object diff in bun test should display empty string keys correctly.
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test("toStrictEqual diff shows empty string keys", () => {
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expect({
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val: { "": "value" },
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}).toStrictEqual({
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val: { "": "value" },
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});
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});
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test("toEqual diff shows empty string keys", () => {
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expect({ "": "hello" }).toEqual({ "": "hello" });
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});
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test("empty string key with various value types", () => {
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expect({ "": 0 }).toEqual({ "": 0 });
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expect({ "": null }).toEqual({ "": null });
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expect({ "": "" }).toEqual({ "": "" });
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expect({ "": false }).toEqual({ "": false });
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expect({ "": undefined }).toEqual({ "": undefined });
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});
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test("empty string key mixed with other keys", () => {
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expect({ foo: "bar", "": "value" }).toEqual({ foo: "bar", "": "value" });
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});
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test("toStrictEqual fails and shows diff with empty string key", async () => {
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using dir = tempDir("issue-18028", {
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"test.test.ts": `
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import { test, expect } from "bun:test";
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test("diff", () => {
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expect({ val: {} }).toStrictEqual({ val: { "": "value" } });
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});
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`,
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});
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await using proc = Bun.spawn({
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cmd: [bunExe(), "test", "test.test.ts"],
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cwd: String(dir),
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env: { ...bunEnv, FORCE_COLOR: "0" },
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stdout: "pipe",
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stderr: "pipe",
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});
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const [stderr, exitCode] = await Promise.all([proc.stderr.text(), proc.exited]);
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// The diff section should show non-zero changed lines
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expect(stderr).toContain("- Expected - 3");
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expect(stderr).toContain("+ Received + 1");
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// The diff should include the empty string key
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expect(stderr).toContain('"": "value"');
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expect(exitCode).toBe(1);
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});
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test("console.log shows empty string keys", () => {
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const result = Bun.spawnSync({
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cmd: [bunExe(), "-e", 'console.log({ "": "value", foo: "bar" })'],
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env: { ...bunEnv, NO_COLOR: "1" },
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});
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const stdout = result.stdout.toString();
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expect(stdout).toContain('"": "value"');
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});
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