How to use addCleanup method in testing-library-react-hooks

Best JavaScript code snippet using testing-library-react-hooks

vscode-tests.js

Source:vscode-tests.js

...395    ]);396  },397  "deactivating plugin removes diagnostics": async ({ addCleanup }) => {398    let deactivated = false;399    addCleanup(async () => {400      if (!deactivated) {401        await qljsExtension.deactivate();402      }403    });404    await qljsExtension.activate();405    let scratchDirectory = makeScratchDirectory({ addCleanup });406    let helloFilePath = path.join(scratchDirectory, "hello.js");407    fs.writeFileSync(helloFilePath, "let x = 3;\nlet x = 4;\n");408    let helloURI = vscode.Uri.file(helloFilePath);409    let helloDocument = await vscode.workspace.openTextDocument(helloURI);410    let helloEditor = await vscode.window.showTextDocument(helloDocument);411    await waitUntilAnyDiagnosticsAsync(helloURI);412    await qljsExtension.deactivate();413    deactivated = true;414    await waitUntilNoDiagnosticsAsync(helloURI);415  },416  "opened .js file uses quick-lint-js.config from disk": async ({417    addCleanup,418  }) => {419    let messageMocker = VSCodeMessageMocker.mock({ addCleanup });420    let scratchDirectory = makeScratchDirectory({ addCleanup });421    let jsFilePath = path.join(scratchDirectory, "hello.js");422    fs.writeFileSync(jsFilePath, "testGlobalVariable;\ndocument;");423    let jsURI = vscode.Uri.file(jsFilePath);424    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");425    fs.writeFileSync(426      configFilePath,427      '{"globals": {"testGlobalVariable": true}, "global-groups": ["ecmascript"]}'428    );429    await loadExtensionAsync({ addCleanup });430    let jsDocument = await vscode.workspace.openTextDocument(jsURI);431    let jsEditor = await vscode.window.showTextDocument(jsDocument);432    await waitUntilAnyDiagnosticsAsync(jsURI);433    let jsDiags = normalizeDiagnostics(jsURI);434    assert.deepStrictEqual(435      jsDiags.map(({ code, startLine }) => ({ code, startLine })),436      [437        {438          code: {439            target: "https://quick-lint-js.com/errors/E0057/",440            value: "E0057",441          },442          startLine: 1, // document443        },444      ]445    );446    messageMocker.assertNoMessages();447  },448  "I/O error loading quick-lint-js.config shows pop-up": async ({449    addCleanup,450  }) => {451    let messageMocker = VSCodeMessageMocker.mock({ addCleanup });452    let scratchDirectory = makeScratchDirectory({ addCleanup });453    let jsFilePath = path.join(scratchDirectory, "hello.js");454    fs.writeFileSync(jsFilePath, "variableDoesNotExist;");455    let jsURI = vscode.Uri.file(jsFilePath);456    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");457    fs.mkdirSync(configFilePath);458    await loadExtensionAsync({ addCleanup });459    let jsDocument = await vscode.workspace.openTextDocument(jsURI);460    let jsEditor = await vscode.window.showTextDocument(jsDocument);461    await waitUntilAnyDiagnosticsAsync(jsURI);462    messageMocker.assertAnyErrorMessageMatches(463      /Failed to load configuration file for .*hello\.js\. Using default configuration\.\nError details: failed to read from .*quick-lint-js\.config: .*/464    );465  },466  "opening .js file with error in quick-lint-js.config shows pop-up": async ({467    addCleanup,468  }) => {469    let messageMocker = VSCodeMessageMocker.mock({ addCleanup });470    let scratchDirectory = makeScratchDirectory({ addCleanup });471    let jsFilePath = path.join(scratchDirectory, "hello.js");472    fs.writeFileSync(jsFilePath, "variableDoesNotExist;");473    let jsURI = vscode.Uri.file(jsFilePath);474    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");475    fs.writeFileSync(configFilePath, "{SYNTAX ERROR}");476    await loadExtensionAsync({ addCleanup });477    let jsDocument = await vscode.workspace.openTextDocument(jsURI);478    let jsEditor = await vscode.window.showTextDocument(jsDocument);479    await waitUntilAnyDiagnosticsAsync(jsURI);480    messageMocker.assertAnyErrorMessageMatches(481      /Problems found in the config file for .*hello\.js \(.*quick-lint-js\.config\)./482    );483  },484  "clicking Open-Config button in quick-lint-js.config error pop-up opens config file":485    async ({ addCleanup }) => {486      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });487      let scratchDirectory = makeScratchDirectory({ addCleanup });488      let jsFilePath = path.join(scratchDirectory, "hello.js");489      fs.writeFileSync(jsFilePath, "variableDoesNotExist;");490      let jsURI = vscode.Uri.file(jsFilePath);491      let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");492      fs.writeFileSync(configFilePath, "{SYNTAX ERROR}");493      await loadExtensionAsync({ addCleanup });494      let jsDocument = await vscode.workspace.openTextDocument(jsURI);495      let jsEditor = await vscode.window.showTextDocument(jsDocument);496      await messageMocker.waitUntilAnyMessageAsync();497      assert.strictEqual(498        path.basename(vscode.window.activeTextEditor.document.fileName),499        "hello.js"500      );501      messageMocker.getErrorMessages()[0].clickButton("Open config");502      await pollAsync(async () => {503        assert.strictEqual(504          path.basename(vscode.window.activeTextEditor.document.fileName),505          "quick-lint-js.config"506        );507      });508    },509  "dismissing quick-lint-js.config error pop-up does not open config file":510    async ({ addCleanup }) => {511      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });512      let scratchDirectory = makeScratchDirectory({ addCleanup });513      let jsFilePath = path.join(scratchDirectory, "hello.js");514      fs.writeFileSync(jsFilePath, "variableDoesNotExist;");515      let jsURI = vscode.Uri.file(jsFilePath);516      let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");517      fs.writeFileSync(configFilePath, "{SYNTAX ERROR}");518      await loadExtensionAsync({ addCleanup });519      let jsDocument = await vscode.workspace.openTextDocument(jsURI);520      let jsEditor = await vscode.window.showTextDocument(jsDocument);521      await messageMocker.waitUntilAnyMessageAsync();522      messageMocker.getErrorMessages()[0].dismiss();523      // Wait for possible opening of quick-lint-js.config to take effect.524      await sleepAsync(100);525      assert.strictEqual(526        path.basename(vscode.window.activeTextEditor.document.fileName),527        "hello.js"528      );529    },530  "opened .js file uses opened quick-lint-js.config (not from disk)": async ({531    addCleanup,532  }) => {533    let scratchDirectory = makeScratchDirectory({ addCleanup });534    let jsFilePath = path.join(scratchDirectory, "hello.js");535    fs.writeFileSync(536      jsFilePath,537      "testGlobalVariableFromEditor;\ntestGlobalVariableFromDisk;"538    );539    let jsURI = vscode.Uri.file(jsFilePath);540    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");541    fs.writeFileSync(542      configFilePath,543      '{"globals": {"testGlobalVariableFromDisk": true}}'544    );545    let configURI = vscode.Uri.file(configFilePath);546    await loadExtensionAsync({ addCleanup });547    let configDocument = await vscode.workspace.openTextDocument(configURI);548    let configEditor = await vscode.window.showTextDocument(configDocument);549    await configEditor.edit((editBuilder) => {550      editBuilder.replace(551        new vscode.Range(new vscode.Position(0, 0), new vscode.Position(1, 0)),552        '{"globals": {"testGlobalVariableFromEditor": true}, "global-groups": ["ecmascript"]}'553      );554    });555    let jsDocument = await vscode.workspace.openTextDocument(jsURI);556    let jsEditor = await vscode.window.showTextDocument(jsDocument);557    await waitUntilAnyDiagnosticsAsync(jsURI);558    let jsDiags = normalizeDiagnostics(jsURI);559    assert.deepStrictEqual(560      jsDiags.map(({ code, startLine }) => ({ code, startLine })),561      [562        {563          code: {564            target: "https://quick-lint-js.com/errors/E0057/",565            value: "E0057",566          },567          startLine: 1, // testGlobalVariableFromDisk568        },569      ]570    );571  },572  "valid quick-lint-js.config has no diagnostics; should not be linted as a .js file":573    async ({ addCleanup }) => {574      let scratchDirectory = makeScratchDirectory({ addCleanup });575      let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");576      fs.writeFileSync(577        configFilePath,578        '{"globals": {"testGlobalVariable": true}}'579      );580      let configURI = vscode.Uri.file(configFilePath);581      await loadExtensionAsync({ addCleanup });582      let configDocument = await vscode.workspace.openTextDocument(configURI);583      let configEditor = await vscode.window.showTextDocument(configDocument);584      // Wait for possible linting to take effect.585      await sleepAsync(100);586      let configDiags = normalizeDiagnostics(configURI);587      assert.deepStrictEqual(configDiags, []);588    },589  "opening invalid quick-lint-js.config shows diagnostics": async ({590    addCleanup,591  }) => {592    let scratchDirectory = makeScratchDirectory({ addCleanup });593    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");594    fs.writeFileSync(595      configFilePath,596      '{"globals": {"testGlobalVariable": "INVALID"}}'597    );598    let configURI = vscode.Uri.file(configFilePath);599    await loadExtensionAsync({ addCleanup });600    let configDocument = await vscode.workspace.openTextDocument(configURI);601    let configEditor = await vscode.window.showTextDocument(configDocument);602    await waitUntilAnyDiagnosticsAsync(configURI);603    let configDiags = normalizeDiagnostics(configURI);604    assert.deepStrictEqual(605      configDiags.map(({ code }) => code),606      [607        {608          target: "https://quick-lint-js.com/errors/E0171/",609          value: "E0171",610        },611      ]612    );613  },614  "making quick-lint-js.config invalid shows diagnostics": async ({615    addCleanup,616  }) => {617    let scratchDirectory = makeScratchDirectory({ addCleanup });618    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");619    fs.writeFileSync(620      configFilePath,621      '{"globals": {"testGlobalVariable": true}}'622    );623    let configURI = vscode.Uri.file(configFilePath);624    await loadExtensionAsync({ addCleanup });625    let configDocument = await vscode.workspace.openTextDocument(configURI);626    let configEditor = await vscode.window.showTextDocument(configDocument);627    await configEditor.edit((editBuilder) => {628      editBuilder.replace(629        new vscode.Range(630          new vscode.Position(0, '{"globals": {"testGlobalVariable": '.length),631          new vscode.Position(632            0,633            '{"globals": {"testGlobalVariable": true'.length634          )635        ),636        '"INVALID"'637      );638    });639    await waitUntilAnyDiagnosticsAsync(configURI);640    let configDiags = normalizeDiagnostics(configURI);641    assert.deepStrictEqual(642      configDiags.map(({ code }) => code),643      [644        {645          target: "https://quick-lint-js.com/errors/E0171/",646          value: "E0171",647        },648      ]649    );650  },651  "opened .js file uses quick-lint-js.config from disk after config editor is closed":652    async ({ addCleanup }) => {653      // TODO(strager): Enable this test when VS Code is fixed (or when we find a654      // workaround). In tests, VS Code does not send us didCloseTextDocument655      // notifications, so this test can't know when quick-lint-js.config is656      // closed.657      // https://github.com/microsoft/vscode/issues/130957658      return;659      let scratchDirectory = makeScratchDirectory({ addCleanup });660      let jsFilePath = path.join(scratchDirectory, "hello.js");661      fs.writeFileSync(662        jsFilePath,663        "testGlobalVariableFromEditor;\ntestGlobalVariableFromDiskModified;"664      );665      let jsURI = vscode.Uri.file(jsFilePath);666      let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");667      fs.writeFileSync(668        configFilePath,669        '{"globals": {"testGlobalVariableFromDiskOriginal": true}}'670      );671      let configURI = vscode.Uri.file(configFilePath);672      await loadExtensionAsync({ addCleanup });673      let configDocument = await vscode.workspace.openTextDocument(configURI);674      let configEditor = await vscode.window.showTextDocument(configDocument);675      await configEditor.edit((editBuilder) => {676        editBuilder.replace(677          new vscode.Range(678            new vscode.Position(0, 0),679            new vscode.Position(1, 0)680          ),681          '{"globals": {"testGlobalVariableFromEditor": true}, "global-groups": ["ecmascript"]}'682        );683      });684      await vscode.commands.executeCommand(685        "workbench.action.closeActiveEditor"686      );687      fs.writeFileSync(688        configFilePath,689        '{"globals": {"testGlobalVariableFromDiskModified": true}}'690      );691      let jsDocument = await vscode.workspace.openTextDocument(jsURI);692      let jsEditor = await vscode.window.showTextDocument(jsDocument);693      await waitUntilAnyDiagnosticsAsync(jsURI);694      let jsDiags = normalizeDiagnostics(jsURI);695      assert.deepStrictEqual(696        jsDiags.map(({ code, startLine }) => ({ code, startLine })),697        [698          {699            code: {700              target: "https://quick-lint-js.com/errors/E0057/",701              value: "E0057",702            },703            startLine: 0, // testGlobalVariableFromEditor704          },705        ]706      );707    },708  "opened .js re-lints when changing open quick-lint-js.config": async ({709    addCleanup,710  }) => {711    let scratchDirectory = makeScratchDirectory({ addCleanup });712    let jsFilePath = path.join(scratchDirectory, "hello.js");713    fs.writeFileSync(jsFilePath, "testGlobalVariableFromEditor;");714    let jsURI = vscode.Uri.file(jsFilePath);715    let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");716    fs.writeFileSync(configFilePath, "{}");717    let configURI = vscode.Uri.file(configFilePath);718    await loadExtensionAsync({ addCleanup });719    let jsDocument = await vscode.workspace.openTextDocument(jsURI);720    let jsEditor = await vscode.window.showTextDocument(721      jsDocument,722      vscode.ViewColumn.One723    );724    await waitUntilAnyDiagnosticsAsync(jsURI);725    let configDocument = await vscode.workspace.openTextDocument(configURI);726    let configEditor = await vscode.window.showTextDocument(727      configDocument,728      vscode.ViewColumn.Two729    );730    await configEditor.edit((editBuilder) => {731      editBuilder.replace(732        new vscode.Range(new vscode.Position(0, 0), new vscode.Position(1, 0)),733        '{"globals": {"testGlobalVariableFromEditor": true}}'734      );735    });736    await waitUntilNoDiagnosticsAsync(jsURI);737  },738  "opened .js re-lints when changing unopened quick-lint-js.config on disk":739    async ({ addCleanup }) => {740      let scratchDirectory = makeScratchDirectory({ addCleanup });741      let jsFilePath = path.join(scratchDirectory, "hello.js");742      fs.writeFileSync(jsFilePath, "testGlobalVariableFromDisk;");743      let jsURI = vscode.Uri.file(jsFilePath);744      let configFilePath = path.join(scratchDirectory, "quick-lint-js.config");745      fs.writeFileSync(configFilePath, "{}");746      let configURI = vscode.Uri.file(configFilePath);747      await loadExtensionAsync({ addCleanup });748      let jsDocument = await vscode.workspace.openTextDocument(jsURI);749      let jsEditor = await vscode.window.showTextDocument(750        jsDocument,751        vscode.ViewColumn.One752      );753      await waitUntilAnyDiagnosticsAsync(jsURI);754      fs.writeFileSync(755        configFilePath,756        '{"globals": {"testGlobalVariableFromDisk": true}}'757      );758      await waitUntilNoDiagnosticsAsync(jsURI);759    },760  "no output channel by default": async ({ addCleanup }) => {761    let outputChannelMocker = VSCodeOutputChannelMocker.mock({ addCleanup });762    await loadExtensionAsync({ addCleanup });763    await causeLogMessagesAsync({ addCleanup });764    assert.deepStrictEqual(outputChannelMocker.getOutputChannels(), []);765  },766  "output channel gets messages if logging is enabled": async ({767    addCleanup,768  }) => {769    let outputChannelMocker = VSCodeOutputChannelMocker.mock({ addCleanup });770    await vscode.workspace771      .getConfiguration("quick-lint-js")772      .update("logging", "verbose", vscode.ConfigurationTarget.Workspace);773    addCleanup(resetConfigurationAsync);774    await loadExtensionAsync({ addCleanup });775    await causeLogMessagesAsync({ addCleanup });776    assert.deepStrictEqual(777      outputChannelMocker.getOutputChannels().map((c) => c.name),778      ["quick-lint-js"]779    );780    let channel = outputChannelMocker.getOutputChannels()[0];781    assert.ok(782      channel._data.length > 0,783      "at least one message should have been logged by opening the file"784    );785  },786  "output channel gets messages if logging is enabled after loading extension":787    async ({ addCleanup }) => {788      let outputChannelMocker = VSCodeOutputChannelMocker.mock({ addCleanup });789      await loadExtensionAsync({ addCleanup });790      await causeLogMessagesAsync({ addCleanup });791      await vscode.workspace792        .getConfiguration("quick-lint-js")793        .update("logging", "verbose", vscode.ConfigurationTarget.Workspace);794      addCleanup(resetConfigurationAsync);795      await pollAsync(async () => {796        assert.deepStrictEqual(797          outputChannelMocker.getOutputChannels().map((c) => c.name),798          ["quick-lint-js"]799        );800        let channel = outputChannelMocker.getOutputChannels()[0];801        assert.ok(802          channel._data.length > 0,803          "at least one message should have been logged by enabling logging"804        );805      });806    },807  "output channel gets no more messages if logging is disabled after loading extension":808    async ({ addCleanup }) => {809      let outputChannelMocker = VSCodeOutputChannelMocker.mock({ addCleanup });810      await vscode.workspace811        .getConfiguration("quick-lint-js")812        .update("logging", "verbose", vscode.ConfigurationTarget.Workspace);813      addCleanup(resetConfigurationAsync);814      await loadExtensionAsync({ addCleanup });815      await causeLogMessagesAsync({ addCleanup });816      await vscode.workspace817        .getConfiguration("quick-lint-js")818        .update("logging", "off", vscode.ConfigurationTarget.Workspace);819      await waitForAsynchronousLogMessagesAsync();820      let messagesAfterDisablingLogging =821        outputChannelMocker.getOutputChannels()[0]._data;822      await causeLogMessagesAsync({ addCleanup });823      let messages = outputChannelMocker.getOutputChannels()[0]._data;824      assert.strictEqual(messages, messagesAfterDisablingLogging);825    },826  "enabling then disabling then enabling logging reuses output channel":827    async ({ addCleanup }) => {828      let outputChannelMocker = VSCodeOutputChannelMocker.mock({ addCleanup });829      await vscode.workspace830        .getConfiguration("quick-lint-js")831        .update("logging", "verbose", vscode.ConfigurationTarget.Workspace);832      addCleanup(resetConfigurationAsync);833      await loadExtensionAsync({ addCleanup });834      await causeLogMessagesAsync({ addCleanup });835      await vscode.workspace836        .getConfiguration("quick-lint-js")837        .update("logging", "off", vscode.ConfigurationTarget.Workspace);838      let messagesAfterDisablingLogging =839        outputChannelMocker.getOutputChannels()[0]._data;840      await vscode.workspace841        .getConfiguration("quick-lint-js")842        .update("logging", "verbose", vscode.ConfigurationTarget.Workspace);843      await causeLogMessagesAsync({ addCleanup });844      assert.deepStrictEqual(845        outputChannelMocker.getOutputChannels().map((c) => c.name),846        ["quick-lint-js"]847      );848      let messagesAfterReenablingLogging =849        outputChannelMocker.getOutputChannels()[0]._data;850      assert.ok(851        messagesAfterReenablingLogging.startsWith(messagesAfterDisablingLogging)852      );853    },854  // TODO(strager): Allow the user to delete the extenion, thereby deleting855  // the output channel.856};857if (os.platform() === "linux") {858  tests = {859    ...tests,860    "Linux: inotify watch error shows pop-up": async ({ addCleanup }) => {861      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });862      mockInotifyErrors({863        addCleanup,864        addWatchError: os.constants.errno.ENOSPC,865      });866      let scratchDirectory = makeScratchDirectory({ addCleanup });867      let jsFilePath = path.join(scratchDirectory, "hello.js");868      fs.writeFileSync(jsFilePath, "");869      let jsURI = vscode.Uri.file(jsFilePath);870      await loadExtensionAsync({ addCleanup });871      let jsDocument = await vscode.workspace.openTextDocument(jsURI);872      let jsEditor = await vscode.window.showTextDocument(jsDocument);873      await messageMocker.waitUntilAnyMessageAsync();874      messageMocker.assertAnyWarningMessageMatches(875        /failed to watch .* for changes/i876      );877    },878    "Linux: inotify init error shows pop-up": async ({ addCleanup }) => {879      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });880      mockInotifyErrors({ addCleanup, initError: os.constants.errno.EMFILE });881      let scratchDirectory = makeScratchDirectory({ addCleanup });882      let jsFilePath = path.join(scratchDirectory, "hello.js");883      fs.writeFileSync(jsFilePath, "");884      let jsURI = vscode.Uri.file(jsFilePath);885      await loadExtensionAsync({ addCleanup });886      let jsDocument = await vscode.workspace.openTextDocument(jsURI);887      let jsEditor = await vscode.window.showTextDocument(jsDocument);888      await messageMocker.waitUntilAnyMessageAsync();889      // TODO(strager): Improve the message.890      messageMocker.assertAnyWarningMessageMatches(891        /failed to watch  for changes/i892      );893    },894  };895}896if (os.platform() === "darwin") {897  tests = {898    ...tests,899    "BSD: directory watch error shows pop-up": async ({ addCleanup }) => {900      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });901      mockKqueueErrors({902        addCleanup,903        directoryOpenError: os.constants.errno.EMFILE,904      });905      let scratchDirectory = makeScratchDirectory({ addCleanup });906      let jsFilePath = path.join(scratchDirectory, "hello.js");907      fs.writeFileSync(jsFilePath, "");908      let jsURI = vscode.Uri.file(jsFilePath);909      await loadExtensionAsync({ addCleanup });910      let jsDocument = await vscode.workspace.openTextDocument(jsURI);911      let jsEditor = await vscode.window.showTextDocument(jsDocument);912      await messageMocker.waitUntilAnyMessageAsync();913      messageMocker.assertAnyWarningMessageMatches(914        /failed to watch .* for changes/i915      );916    },917  };918}919if (["darwin", "linux"].includes(os.platform())) {920  tests = {921    ...tests,922    "watch error only shows pop-up once": async ({ addCleanup }) => {923      let messageMocker = VSCodeMessageMocker.mock({ addCleanup });924      switch (os.platform()) {925        case "darwin":926          mockKqueueErrors({927            addCleanup,928            directoryOpenError: os.constants.errno.EMFILE,929          });930          break;931        case "linux":932          mockInotifyErrors({933            addCleanup,934            addWatchError: os.constants.errno.ENOSPC,935          });936          break;937      }938      let scratchDirectory = makeScratchDirectory({ addCleanup });939      let jsFilePath = path.join(scratchDirectory, "hello.js");940      fs.writeFileSync(jsFilePath, "");941      let jsURI = vscode.Uri.file(jsFilePath);942      await loadExtensionAsync({ addCleanup });943      let jsDocument = await vscode.workspace.openTextDocument(jsURI);944      await vscode.window.showTextDocument(jsDocument);945      await messageMocker.waitUntilAnyMessageAsync();946      assert.strictEqual(947        messageMocker.getWarningMessages().length,948        1,949        `Expected exactly one warning message. Got messages: ${messageMocker.getMessagesDebugString()}`950      );951      messageMocker.clearRememberedMessages();952      fs.mkdirSync(path.join(scratchDirectory, "dir"));953      let otherJSFilePath = path.join(scratchDirectory, "other.js");954      fs.writeFileSync(otherJSFilePath, "SYNTAX ERROR");955      let otherJSURI = vscode.Uri.file(otherJSFilePath);956      let otherJSDocument = await vscode.workspace.openTextDocument(otherJSURI);957      await vscode.window.showTextDocument(otherJSDocument);958      await waitUntilAnyDiagnosticsAsync(otherJSURI);959      assert.deepStrictEqual(960        messageMocker.getWarningMessages(),961        [],962        `Expected no more warning messages. Got messages: ${messageMocker.getMessagesDebugString()}`963      );964    },965  };966}967for (let testName in tests) {968  let realTestFunction = tests[testName];969  tests[testName] = (fixture) => {970    fixture.addCleanup(async () => {971      await cleanUpVSCodeEditorsAsync();972    });973    return realTestFunction(fixture);974  };975}976async function cleanUpVSCodeEditorsAsync() {977  await vscode.commands.executeCommand("workbench.action.closeAllEditors");978}979async function waitUntilAnyDiagnosticsAsync(documentURI) {980  await pollAsync(async () => {981    let diags = normalizeDiagnostics(documentURI);982    assert.strictEqual(diags.length >= 1, true);983  });984}985async function waitUntilNoDiagnosticsAsync(documentURI) {986  await pollAsync(async () => {987    let diags = normalizeDiagnostics(documentURI);988    assert.deepStrictEqual(diags, []);989  });990}991class VSCodeMessageMocker {992  static mock({ addCleanup }) {993    let mocker = new VSCodeMessageMocker();994    let methodsToMock = [995      "showErrorMessage",996      "showInformationMessage",997      "showWarningMessage",998    ];999    for (let methodToMock of methodsToMock) {1000      mocker._mockMethod(methodToMock, { addCleanup });1001    }1002    return mocker;1003  }1004  constructor() {1005    this._messages = [];1006  }1007  getMessagesDebugString() {1008    return JSON.stringify(this._messages);1009  }1010  getErrorMessages() {1011    return this._messages.filter((m) => m.method === "showErrorMessage");1012  }1013  getWarningMessages() {1014    return this._messages.filter((m) => m.method === "showWarningMessage");1015  }1016  clearRememberedMessages() {1017    this._messages.length = 0;1018  }1019  assertNoMessages() {1020    assert.deepStrictEqual(this._messages, []);1021  }1022  assertAnyErrorMessageMatches(regExp) {1023    assert.strictEqual(1024      this.getErrorMessages().some((m) => regExp.test(m.message)),1025      true,1026      `Expected message indicating IO error. Got messages: ${this.getMessagesDebugString()}`1027    );1028  }1029  assertAnyWarningMessageMatches(regExp) {1030    assert.strictEqual(1031      this.getWarningMessages().some((m) => regExp.test(m.message)),1032      true,1033      `Expected warning message. Got messages: ${this.getMessagesDebugString()}`1034    );1035  }1036  async waitUntilAnyMessageAsync() {1037    await pollAsync(async () => {1038      assert.ok(this._messages.length >= 1);1039    });1040  }1041  _mockMethod(methodToMock, { addCleanup }) {1042    let originalMethod = vscode.window[methodToMock];1043    addCleanup(() => {1044      vscode.window[methodToMock] = originalMethod;1045    });1046    let self = this;1047    vscode.window[methodToMock] = function showMessageMock(message, ...args) {1048      console.log(1049        `called: vscode.window.${methodToMock}(${JSON.stringify(message)}, ...)`1050      );1051      let buttons = args;1052      return new Promise((resolve, _reject) => {1053        self._messages.push({1054          message: message,1055          method: methodToMock,1056          clickButton(buttonLabel) {1057            assert.ok(1058              buttons.includes(buttonLabel),1059              `Cannot click button ${JSON.stringify(1060                buttonLabel1061              )}; available buttons are: ${JSON.stringify(buttons)}`1062            );1063            resolve(buttonLabel);1064          },1065          dismiss() {1066            resolve(undefined);1067          },1068        });1069      });1070    };1071  }1072}1073class VSCodeOutputChannelMocker {1074  static mock({ addCleanup }) {1075    let mocker = new VSCodeOutputChannelMocker();1076    let originalCreateOutputChannel = vscode.window.createOutputChannel;1077    addCleanup(() => {1078      vscode.window.createOutputChannel = originalCreateOutputChannel;1079    });1080    vscode.window.createOutputChannel = (name) => {1081      return mocker._createOutputChannel(name);1082    };1083    return mocker;1084  }1085  constructor() {1086    this._outputChannels = [];1087  }1088  getOutputChannels() {1089    return [...this._outputChannels];1090  }1091  _createOutputChannel(name) {1092    console.log(1093      `called: vscode.window.createOutputChannel(${JSON.stringify(name)})`1094    );1095    let channel = new FakeOutputChannel(name);1096    this._outputChannels.push(channel);1097    return channel;1098  }1099}1100class FakeOutputChannel /*:: implements vscode.OutputChannel */ {1101  constructor(name) {1102    this._name = name;1103    this._data = "";1104  }1105  get name() {1106    return this._name;1107  }1108  append(value) {1109    this._data += value;1110  }1111  appendLine(value) {1112    this.append(value);1113    this.append("\n");1114  }1115  clear() {1116    this._data = "";1117  }1118  show() {1119    // Ignore.1120  }1121  hide() {1122    // Ignore.1123  }1124  dispose() {}1125}1126function mockInotifyErrors({ addCleanup, addWatchError = 0, initError = 0 }) {1127  qljsExtension.mockInotifyErrors(initError, addWatchError);1128  addCleanup(() => {1129    qljsExtension.mockInotifyErrors(0, 0);1130  });1131}1132function mockKqueueErrors({ addCleanup, directoryOpenError = 0 }) {1133  qljsExtension.mockKqueueErrors(directoryOpenError);1134  addCleanup(() => {1135    qljsExtension.mockKqueueErrors(0);1136  });1137}1138async function causeLogMessagesAsync({ addCleanup }) {1139  let scratchDirectory = makeScratchDirectory({ addCleanup });1140  let jsFilePath = path.join(scratchDirectory, "hello.js");1141  fs.writeFileSync(jsFilePath, "test;");1142  let jsDocument = await vscode.workspace.openTextDocument(1143    vscode.Uri.file(jsFilePath)1144  );1145  let jsEditor = await vscode.window.showTextDocument(1146    jsDocument,1147    vscode.ViewColumn.One1148  );1149  await waitForAsynchronousLogMessagesAsync();1150}1151async function waitForAsynchronousLogMessagesAsync() {1152  await sleepAsync(100);1153}1154// Convert an array of vscode.Diagnostic into an array of plain JavaScript1155// objects. Use this with assert.deepStrictEqual in tests.1156//1157// If given a vscode.Uri, diagnostics are extracted from that document.1158function normalizeDiagnostics(vscodeDiagnosticsOrURI) {1159  let vscodeDiagnostics;1160  if (vscodeDiagnosticsOrURI instanceof vscode.Uri) {1161    vscodeDiagnostics = vscode.languages.getDiagnostics(vscodeDiagnosticsOrURI);1162  } else {1163    vscodeDiagnostics = vscodeDiagnosticsOrURI;1164  }1165  return vscodeDiagnostics.map((diag) => ({1166    code: {1167      target: diag.code.target.toString(true),1168      value: diag.code.value,1169    },1170    message: diag.message,1171    source: diag.source,1172    severity: diag.severity,1173    startLine: diag.range.start.line,1174    startCharacter: diag.range.start.character,1175    endLine: diag.range.end.line,1176    endCharacter: diag.range.end.character,1177    relatedInformation:1178      typeof diag.relatedInformation === "undefined"1179        ? []1180        : diag.relatedInformation.map((info) => ({1181            message: info.message,1182            uri: info.location.uri.toString(),1183            startLine: info.location.range.start.line,1184            startCharacter: info.location.range.start.character,1185            endLine: info.location.range.end.line,1186            endCharacter: info.location.range.end.character,1187          })),1188  }));1189}1190async function loadExtensionAsync({ addCleanup }) {1191  addCleanup(async () => {1192    await qljsExtension.deactivate();1193  });1194  await qljsExtension.activate();1195}1196function makeScratchDirectory({ addCleanup }) {1197  let scratchDirectory = fs.mkdtempSync(1198    path.join(os.tmpdir(), "quick-lint-js-vscode-test-")1199  );1200  addCleanup(() => {1201    fs.rmdirSync(scratchDirectory, { recursive: true });1202  });1203  // TODO(strager): Don't call realpath. realpath is currently needed to work1204  // around bugs in quick-lint-js regarding symlinks.1205  return fs.realpathSync(scratchDirectory);1206}1207function sleepAsync(duration) {1208  return new Promise((resolve, _reject) => {1209    setTimeout(() => {1210      resolve();1211    }, duration);1212  });1213}1214async function pollAsync(callback) {...

topics.js

Source:topics.js

...16 * seconds	s17 */18const t = require('../../topicsLogger');19// Heizung20t.addLogger({topic:"akm/d01/state/temp01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});21t.addLogger({topic:"akm/d01/state/temp02",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});22t.addLogger({topic:"akm/d01/state/temp03",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});23t.addLogger({topic:"akm/d01/state/temp04",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});24t.addLogger({topic:"akm/d01/state/temp05",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});25t.addLogger({topic:"akm/d01/state/power01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});26t.addLogger({topic:"akm/d01/state/power02",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});27t.addLogger({topic:"akm/d01/state/state01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});28t.addLogger({topic:"akm/d01/state/state02",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});29t.addLogger({topic:"akm/d01/state/counter01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});30t.addLogger({topic:"akm/d01/state/counter02",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});31t.addLogger({topic:"akm/m01/state/power01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});32t.addLogger({topic:"akm/m01/state/counter01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});33t.addLogger({topic:"akm/m01/state/counter02",condition:"every",interval:15,neonly:true}).addCleanup({unit:"years",lifespan:10});34t.addLogger({topic:"akm/d02/state/temp2",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});35t.addLogger({topic:"akm/d02/state/temp3",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});36// Lueftung37t.addLogger({topic:"akm/d04/state/temp1",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});38t.addLogger({topic:"akm/d04/state/hum1",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});39t.addLogger({topic:"akm/d04/state/temp2",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});40t.addLogger({topic:"akm/d04/state/hum2",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});41t.addLogger({topic:"akm/d05/state/temp01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});42t.addLogger({topic:"akm/d05/state/hum01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});43t.addLogger({topic:"akm/d05/state/mode01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});44t.addLogger({topic:"akm/d05/state/mode02",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});45t.addLogger({topic:"akm/location/buero/state/temp01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});46t.addLogger({topic:"akm/location/buero/state/hum01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});47// Strom48t.addLogger({topic:"akm/m02/state/power01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});49t.addLogger({topic:"akm/m02/state/counter01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});50t.addLogger({topic:"akm/m02/state/counter02",condition:"every",interval:15,neonly:true}).addCleanup({unit:"years",lifespan:10});51t.addLogger({topic:"akm/m02/state/counterLastDay01",condition:"all",newonly:true}).addCleanup({unit:"years",lifespan:10});52t.addLogger({topic:"akm/m02/state/counterLastDay02",condition:"all",neonly:true}).addCleanup({unit:"years",lifespan:10});53t.addLogger({topic:"akm/m03/state/counterLastDay01",condition:"all",newonly:true}).addCleanup({unit:"years",lifespan:10});54t.addLogger({topic:"akm/m03/state/counterLastDay02",condition:"all",neonly:true}).addCleanup({unit:"years",lifespan:10});55t.addLogger({topic:"akm/m03/state/power01",condition:"every",interval:15}).addCleanup({unit:"years",lifespan:10});56t.addLogger({topic:"akm/m03/state/counter01",condition:"every",interval:15,newonly:true}).addCleanup({unit:"years",lifespan:10});57t.addLogger({topic:"akm/m03/state/counter02",condition:"every",interval:15,neonly:true}).addCleanup({unit:"years",lifespan:10});58/*59t.addLogger({   topic:"akm/m01/state/power01",      // Topic to log60                condition:"every",                  // Condition: all, every (s), atLeast (s), atMost(s), onEvent (trigger)61                interval:15,                        // for every, atLeast, atMost62                newonly:false                       // optional: log only new values63            }).addCleanup({ unit:"years",64                            lifespan:265                        });66                        67t.addLogger({   topic:"akm/m01/state/counter01",    // Topic to log68                condition:"every",                  // Condition: all, every (s), atLeast (s), atMost(s), onEvent (trigger)69                interval:15,                        // for every, atLeast, atMost70                newonly:false                       // optional: log only new values71            }).addCleanup({ unit:"years",72                            lifespan:273                        });74t.addLogger({   topic:"akm/m02/state/power01",      // Topic to log75                condition:"every",                  // Condition: all, every (s), atLeast (s), atMost(s), onEvent (trigger)76                interval:15,                         // for every, atLeast, atMost77                newonly:false                       // optional: log only new values78            }).addCleanup({ unit:"years",79                            lifespan:280                        });81t.addLogger({   topic:"mh/l/h1/state/t02",  // Topic to log82                condition:"atLeast", // Condition: all, every (s), atLeast (s), atMost(s), onEvent (trigger)83                interval:5, // for every, atLeast, atMost84                newonly:false // optional: log only new values85            }).addCleanup({ unit:"seconds",86                            lifespan:3087                        });88t.addLogger({   topic:"mh/l/m01/state/c01",  // Topic to log89                condition:"onEvent", // Condition: all, every (s), atLeast (s), atMost(s), onEvent (trigger)90                trigger:"mh/event/timer/",91                newonly:false // optional: log only new values92            }).addCleanup({ unit:"seconds",93                            lifespan:3094                        });95t.addLogger({topic:"mh/location/raum1/state/humidity",condition:"onEvent",trigger:"mh/location/raum1/state/switch"});96t.addCleanup({topic:"mh/event/timer/seconds",unit:"seconds",lifespan:30});97t.addLogger({topic:"mh/event/timer/dawn",condition:"all"});98t.addLogger({topic:"mh/event/timer/dusk",condition:"all"});...

cleanup.js

Source:cleanup.js

...56        });57    });58}59exports.cleanup = cleanup;60function addCleanup(callback) {61    cleanupCallbacks.add(callback);62}63exports.addCleanup = addCleanup;64function removeCleanup(callback) {65    cleanupCallbacks.delete(callback);66}...

Using AI Code Generation

1import { addCleanup } from 'react-hooks-testing-library';2import { cleanup } from 'react-hooks-testing-library';3import { addCleanup } from 'react-hooks-testing-library';4import { cleanup } from 'react-hooks-testing-library';5import { addCleanup } from 'react-hooks-testing-library';6import { cleanup } from 'react-hooks-testing-library';7import { addCleanup } from 'react-hooks-testing-library';8import { cleanup } from 'react-hooks-testing-library';9import { addCleanup } from 'react-hooks-testing-library';10import { cleanup } from 'react-hooks-testing-library';11import { addCleanup } from 'react-hooks-testing-library';12import { cleanup } from 'react-hooks-testing-library';13import { addCleanup } from 'react-hooks-testing-library';14import { cleanup } from 'react-hooks-testing-library';15import { addCleanup } from 'react-hooks-testing-library';16import { cleanup } from 'react-hooks-testing-library';17import { add

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3test('useCounter', () => {4  const { result, unmount } = renderHook(() => useCounter());5  act(() => {6    result.current.increment();7  });8  expect(result.current.count).toBe(1);9  unmount();10});11import { useState, useEffect } from 'react';12export const useCounter = () => {13  const [count, setCount] = useState(0);14  const increment = () => setCount(count + 1);15  useEffect(() => {16    document.title = `You clicked ${count} times`;17  });18  return { count, increment };19};20import { renderHook, act } from '@testing-library/react-hooks';21import { useCounter } from './useCounter';22test('useCounter', () => {23  const { result, unmount } = renderHook(() => useCounter());24  act(() => {25    result.current.increment();26  });27  expect(result.current.count).toBe(1);28  unmount();29});30import { useState, useEffect } from 'react';31export const useCounter = () => {32  const [count, setCount] = useState(0);33  const increment = () => setCount(count + 1);34  useEffect(() => {35    document.title = `You clicked ${count} times`;36  });37  return { count, increment };38};39import { renderHook, act } from '@testing-library/react-hooks';40import { useCounter } from './useCounter';41test('useCounter', () => {42  const { result, unmount } = renderHook(() => useCounter());43  act(() => {44    result.current.increment();45  });46  expect(result.current.count).toBe(1);47  unmount();48});49import { useState, useEffect } from 'react';50export const useCounter = () => {51  const [count, setCount] = useState(0);52  const increment = () => setCount(count + 1);53  useEffect(() => {54    document.title = `You clicked ${count} times`;55  });56  return { count, increment };57};

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from '../src/useCounter';3test('should increment counter', () => {4  const { result } = renderHook(() => useCounter());5  act(() => {6    result.current.increment();7  });8  expect(result.current.count).toBe(1);9});10test('should decrement counter', () => {11  const { result } = renderHook(() => useCounter());12  act(() => {13    result.current.decrement();14  });15  expect(result.current.count).toBe(-1);16});17test('should reset counter', () => {18  const { result } = renderHook(() => useCounter());19  act(() => {20    result.current.increment();21  });22  expect(result.current.count).toBe(1);23  act(() => {24    result.current.reset();25  });26  expect(result.current.count).toBe(0);27});28test('should increment counter by 2', () => {29  const { result } = renderHook(() => useCounter());30  act(() => {31    result.current.incrementBy(2);32  });33  expect(result.current.count).toBe(2);34});35test('should decrement counter by 2', () => {36  const { result } = renderHook(() => useCounter());37  act(() => {38    result.current.decrementBy(2);39  });40  expect(result.current.count).toBe(-2);41});42test('should increment counter by 2 and then reset', () => {43  const { result } = renderHook(() => useCounter());44  act(() => {45    result.current.incrementBy(2);46  });47  expect(result.current.count).toBe(2);48  act(() => {49    result.current.reset();50  });51  expect(result.current.count).toBe(0);52});53test('should decrement counter by 2 and then reset', () => {54  const { result } = renderHook(() => useCounter());55  act(() => {56    result.current.decrementBy(2);57  });58  expect(result.current.count).toBe(-2);59  act(() => {60    result.current.reset();61  });62  expect(result.current.count).toBe(0);63});64test('should increment counter by 2 and then increment by 1', () => {65  const { result } = renderHook(() => useCounter());66  act(() => {67    result.current.incrementBy(2);68  });69  expect(result.current.count).toBe(2);70  act(() =>

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { useFetch } from './useFetch';3test('useFetch', async () => {4  const { result, waitForNextUpdate, unmount } = renderHook(() =>5  );6  expect(result.current.status).toBe('loading');7  await waitForNextUpdate();8  expect(result.current.status).toBe('success');9  expect(result.current.data.login).toBe('octocat');10  unmount();11});12import { useEffect, useState } from 'react';13export function useFetch(url) {14  const [data, setData] = useState(null);15  const [status, setStatus] = useState('loading');16  useEffect(() => {17    fetch(url)18      .then(res => res.json())19      .then(data => {20        setData(data);21        setStatus('success');22      });23  }, [url]);24  return { data, status };25}

Using AI Code Generation

1import { cleanup, renderHook } from '@testing-library/react-hooks';2import useCounter from './useCounter';3afterEach(cleanup);4test('should increment counter', () => {5  const { result } = renderHook(() => useCounter());6  const { increment } = result.current;7  act(() => {8    increment();9  });10  expect(result.current.count).toBe(1);11});

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks'2import useCounter from './useCounter'3test('should increment counter', () => {4  const { result } = renderHook(() => useCounter())5  const { increment } = result.current6  increment()7  expect(result.current.count).toBe(1)8})9test('should decrement counter', () => {10  const { result } = renderHook(() => useCounter())11  const { decrement } = result.current12  decrement()13  expect(result.current.count).toBe(-1)14})15test('should reset counter', () => {16  const { result } = renderHook(() => useCounter())17  const { increment, reset } = result.current18  increment()19  reset()20  expect(result.current.count).toBe(0)21})22test('should reset counter after 5 seconds', async () => {23  jest.useFakeTimers()24  const { result } = renderHook(() => useCounter())25  const { increment, reset } = result.current26  increment()27  expect(result.current.count).toBe(1)28  reset()29  expect(result.current.count).toBe(0)30  jest.advanceTimersByTime(5000)31  expect(result.current.count).toBe(0)32})33import { useState, useEffect } from 'react'34export default function useCounter() {35  const [count, setCount] = useState(0)36  const increment = () => {37    setCount((prevCount) => prevCount + 1)38  }39  const decrement = () => {40    setCount((prevCount) => prevCount - 1)41  }42  const reset = () => {43    setCount(0)44  }45  useEffect(() => {46    const id = setTimeout(() => {47      reset()48    }, 5000)49    return () => {50      clearTimeout(id)51    }52  }, [count])53  return { count, increment, decrement, reset }54}55import { renderHook } from '@testing-library/react-hooks'56import useCounter from

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3test('increment counter', () => {4  const { result } = renderHook(() => useCounter());5  act(() => {6    result.current.increment();7  });8  expect(result.current.count).toBe(1);9});10test('decrement counter', () => {11  const { result } = renderHook(() => useCounter());12  act(() => {13    result.current.decrement();14  });15  expect(result.current.count).toBe(-1);16});17import { useState, useEffect } from 'react';18export const useCounter = () => {19  const [count, setCount] = useState(0);20  useEffect(() => {21    if (count === 5) {22      setCount(0);23    }24  }, [count]);25  const increment = () => setCount(count + 1);26  const decrement = () => setCount(count - 1);27  return { count, increment, decrement };28};29import { renderHook, act } from '@testing-library/react-hooks';30import { useCounter } from './useCounter';31test('increment counter', () => {32  const { result } = renderHook(() => useCounter());33  act(() => {34    result.current.increment();35  });36  expect(result.current.count).toBe(1);37});38test('decrement counter', () => {39  const { result } = renderHook(() => useCounter());40  act(() => {41    result.current.decrement();42  });43  expect(result.current.count).toBe(-1);44});45import { useState, useEffect } from 'react';46export const useCounter = () => {47  const [count, setCount] = useState(0);48  useEffect(() => {49    if (count === 5) {50      setCount(0);51    }52  }, [count]);53  const increment = () => setCount(count + 1);54  const decrement = () => setCount(count - 1);55  return { count, increment, decrement };56};57import

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { addCleanup } from 'react-hooks-testing-library';3import useCounter from './useCounter';4describe('useCounter', () => {5  afterEach(() => {6    addCleanup(() => {7      console.log('cleanup');8    });9  });10  it('should return default initial value', () => {11    const { result } = renderHook(() => useCounter());12    expect(result.current.count).toBe(0);13  });14  it('should increment count by 1', () => {15    const { result } = renderHook(() => useCounter());16    act(() => {17      result.current.increment();18    });19    expect(result.current.count).toBe(1);20  });21  it('should increment count by 2', () => {22    const { result } = renderHook(() => useCounter());23    act(() => {24      result.current.increment();25      result.current.increment();26    });27    expect(result.current.count).toBe(2);28  });29});30import { useState } from 'react';31const useCounter = (initialValue = 0) => {32  const [count, setCount] = useState(initialValue);33  const increment = () => {34    setCount(count + 1);35  };36  return { count, increment };37};38export default useCounter;

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks';2import { act } from 'react-dom/test-utils';3import { useCounter } from '../useCounter';4describe('useCounter', () => {5  it('should increment the counter', () => {6    const { result } = renderHook(() => useCounter());7    act(() => {8      result.current.increment();9    });10    expect(result.current.count).toBe(1);11  });12});13import { useState, useEffect } from 'react';14export const useCounter = () => {15  const [count, setCount] = useState(0);16  useEffect(() => {17    const id = setInterval(() => {18      setCount((prevCount) => prevCount + 1);19    }, 1000);20    return () => clearInterval(id);21  }, []);22  const increment = () => setCount((prevCount) => prevCount + 1);23  return { count, increment };24};

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