374 lines
11 KiB
JavaScript
374 lines
11 KiB
JavaScript
import loadConfig, { loadPartialConfig } from "../lib/config";
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import path from "path";
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describe("@babel/core config loading", () => {
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const FILEPATH = path.join(
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__dirname,
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"fixtures",
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"config-loading",
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"folder",
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"example.js",
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);
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afterEach(() => {
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delete process.env.INVALIDATE_BABELRC;
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delete process.env.INVALIDATE_PRESET1;
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delete process.env.INVALIDATE_PRESET2;
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delete process.env.INVALIDATE_PRESET3;
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delete process.env.INVALIDATE_PLUGIN1;
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delete process.env.INVALIDATE_PLUGIN2;
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delete process.env.INVALIDATE_PLUGIN3;
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delete process.env.INVALIDATE_PLUGIN4;
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delete process.env.INVALIDATE_PLUGIN5;
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delete process.env.INVALIDATE_PLUGIN6;
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});
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function makeOpts(skipProgrammatic = false) {
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return {
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cwd: path.dirname(FILEPATH),
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filename: FILEPATH,
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presets: skipProgrammatic
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? null
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: [[require("./fixtures/config-loading/preset3"), {}]],
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plugins: skipProgrammatic
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? null
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: [[require("./fixtures/config-loading/plugin6"), {}]],
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};
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}
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describe("loadPartialConfig", () => {
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it("should preserve disabled plugins in the partial config", () => {
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const plugin = function() {
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return {};
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};
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const opts = loadPartialConfig({
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...makeOpts(true),
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babelrc: false,
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configFile: false,
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plugins: [[plugin, false]],
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});
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expect(opts.options.plugins.length).toBe(1);
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const item = opts.options.plugins[0];
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expect(item.value).toBe(plugin);
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expect(item.options).toBe(false);
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});
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it("should preserve disabled presets in the partial config", () => {
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const preset = function() {
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return {};
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};
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const opts = loadPartialConfig({
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...makeOpts(true),
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babelrc: false,
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configFile: false,
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presets: [[preset, false]],
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});
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expect(opts.options.presets.length).toBe(1);
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const item = opts.options.presets[0];
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expect(item.value).toBe(preset);
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expect(item.options).toBe(false);
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});
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});
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describe("config file", () => {
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it("should load and cache the config with plugins and presets", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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expect(options1.plugins.map(p => p.key)).toEqual([
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"plugin1",
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"plugin2",
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"plugin6",
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"plugin5",
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"plugin4",
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"plugin3",
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]);
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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});
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it("should load and cache the config for unique opts objects", () => {
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const options1 = loadConfig(makeOpts(true)).options;
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expect(options1.plugins.map(p => p.key)).toEqual([
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"plugin1",
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"plugin2",
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"plugin4",
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"plugin3",
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]);
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const options2 = loadConfig(makeOpts(true)).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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});
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it("should invalidate config file plugins", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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process.env.INVALIDATE_PLUGIN1 = true;
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 0) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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process.env.INVALIDATE_PLUGIN3 = true;
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const options3 = loadConfig(opts).options;
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expect(options3.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 0 || i === 5) {
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expect(options3.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options3.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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it("should invalidate config file presets and their children", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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process.env.INVALIDATE_PRESET1 = true;
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 5) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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process.env.INVALIDATE_PRESET2 = true;
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const options3 = loadConfig(opts).options;
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expect(options3.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 4 || i === 5) {
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expect(options3.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options3.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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it("should invalidate the config file and its plugins/presets", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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process.env.INVALIDATE_BABELRC = true;
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 0 || i === 1 || i === 4 || i === 5 || i === 6) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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});
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describe("programmatic plugins/presets", () => {
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it("should not invalidate the plugins when given a fresh object", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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const options2 = loadConfig(Object.assign({}, opts)).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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});
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it("should not invalidate the plugins when given a fresh arrays", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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const options2 = loadConfig({
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...opts,
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plugins: opts.plugins.slice(),
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}).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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});
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it("should not invalidate the presets when given a fresh arrays", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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const options2 = loadConfig({
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...opts,
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presets: opts.presets.slice(),
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}).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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});
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it("should invalidate the plugins when given a fresh options", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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const options2 = loadConfig({
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...opts,
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plugins: opts.plugins.map(([plg, opt]) => [plg, { ...opt }]),
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}).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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if (i === 2) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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it("should invalidate the presets when given a fresh options", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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const options2 = loadConfig({
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...opts,
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presets: opts.presets.map(([plg, opt]) => [plg, { ...opt }]),
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}).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options2.plugins.length; i++) {
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if (i === 3) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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it("should invalidate the programmatic plugins", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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process.env.INVALIDATE_PLUGIN6 = true;
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 2) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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it("should invalidate the programmatic presets and their children", () => {
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const opts = makeOpts();
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const options1 = loadConfig(opts).options;
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process.env.INVALIDATE_PRESET3 = true;
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const options2 = loadConfig(opts).options;
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expect(options2.plugins.length).toBe(options1.plugins.length);
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for (let i = 0; i < options1.plugins.length; i++) {
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if (i === 3) {
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expect(options2.plugins[i]).not.toBe(options1.plugins[i]);
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} else {
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expect(options2.plugins[i]).toBe(options1.plugins[i]);
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}
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}
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});
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});
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describe("caller metadata", () => {
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it("should pass caller data through", () => {
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const options1 = loadConfig({
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...makeOpts(),
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caller: {
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name: "babel-test",
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someFlag: true,
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},
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}).options;
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expect(options1.caller.name).toBe("babel-test");
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expect(options1.caller.someFlag).toBe(true);
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});
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it("should pass unknown caller data through", () => {
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const options1 = loadConfig({
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...makeOpts(),
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caller: undefined,
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}).options;
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expect(options1.caller).toBeUndefined();
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});
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it("should pass caller data to test functions", () => {
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const options1 = loadConfig({
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...makeOpts(),
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caller: {
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name: "babel-test",
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someFlag: true,
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},
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overrides: [
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{
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test: (filename, { caller }) => caller.name === "babel-test",
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comments: false,
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},
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{
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test: (filename, { caller }) => caller.name !== "babel-test",
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ast: false,
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},
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],
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}).options;
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expect(options1.comments).toBe(false);
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expect(options1.ast).not.toBe(false);
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});
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});
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});
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