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Vue CLI Testing: Unit and E2E Test Implementation for Plugin Development

The Vue CLI repository implements a comprehensive testing strategy combining Jest for unit testing and WebdriverIO for end-to-end testing. With 75 test files across the codebase, it demonstrates best practices for testing Vue.js CLI tools, plugin generators, and configuration workflows, with particular emphasis on TypeScript integration and router functionality. Qodo Tests Hub provides developers with an organized view into Vue CLI's testing patterns, making it easier to understand how the project validates critical functionality like preset selection, plugin installation, and framework integrations. By exploring these real-world test implementations, developers can learn practical approaches to testing Vue CLI plugins and tools while understanding the rationale behind different testing strategies.

Path Test Type Language Description
packages/@vue/cli-plugin-unit-jest/__tests__/jestPlugin.spec.js
unit
javascript This Jest unit test verifies Vue CLI plugin configuration and integration functionality for various project setups.
packages/@vue/cli-plugin-unit-jest/__tests__/jestPluginVue3.spec.js
unit
javascript This Vue CLI unit test verifies Jest plugin compatibility and configuration with Vue 3 projects in both JavaScript and TypeScript environments.
packages/@vue/cli-plugin-unit-jest/generator/template/tests/unit/example.spec.ts
unit
typescript This Jest unit test verifies Vue component rendering, props handling, and router integration using TypeScript.
packages/@vue/cli-plugin-unit-mocha/__tests__/mochaGenerator.spec.js
unit
javascript This Mocha unit test verifies Vue CLI’s test generator functionality across various project configurations and plugin combinations.
packages/@vue/cli-plugin-unit-mocha/__tests__/mochaPlugin.spec.js
unit
javascript This Mocha unit test verifies the proper integration and functionality of the Vue CLI Mocha testing plugin within a Vue.js project setup.
packages/@vue/cli-plugin-unit-mocha/generator/template/tests/unit/example.spec.js
unit
javascript This Mocha unit test verifies Vue component rendering and prop handling with conditional router integration support.
packages/@vue/cli-plugin-vuex/__tests__/vuexGenerator.spec.js
unit
javascript This Vue CLI unit test verifies Vuex plugin generation and integration across different Vue versions.
packages/@vue/cli-service/__tests__/Service.spec.js
unit
javascript This Jest unit test verifies Vue CLI Service functionality including environment handling, plugin management, and webpack configuration.
packages/@vue/cli-service/__tests__/ServiceESM.spec.js
unit
javascript This Vue.js unit test verifies CLI service configuration loading from various file formats in ESM context.
packages/@vue/cli-service/__tests__/buildLib.spec.js
unit
javascript This Vue.js unit test verifies library build configurations and output generation for component and JavaScript module distribution.