Mocha Documentation

Guides

• --allow-uncaught
• --async-only, -A
• --bail, -b
• --check-leaks
• --color, -c, --colors
• --compilers
• --config <path>
• --diff
• --dry-run
• --enable-source-maps
• --exit
• --extension <ext>
• --fail-zero
• --fgrep <string>, -f <string>
• --file <file>
• --forbid-only
• --forbid-pending
• --full-trace
• --global <variable-name>
• --grep <regexp>, -g <regexp>
• --ignore <file|directory|glob>, --exclude <file|directory|glob>,
• --inline-diffs
• --inspect, --inspect-brk, inspect
• --invert
• --jobs <count>, -j <count>
• --node-option <name>, -n <name>
• --opts <path>
• --package <path>
• --parallel, -p
• --pass-on-failing-test-suite
• --recursive
• --reporter <name>, -R <name>
• --reporter-option <option>, -O <option>, --reporter-options <option>
• --require <module>, -r <module>
• --retries <n>
• --slow <ms>, -s <ms>
• --sort, -S
• --timeout <ms>, -t <ms>
• --ui <name>, -u <name>
• --watch, -w
• --watch-files <file|directory|glob>
• --watch-ignore <file|directory|glob>
• About Option Types
• About V8 Flags
• About node Flags
• Arrow Functions
• Assertions
• Asynchronous Code
• Asynchronous Hooks
• Available Root Hooks
• BDD
• Browser Configuration
• Browser-specific Option(s)
• Caveats About Testing in Parallel
• Command-Line Usage
• Configuration Format
• Configuring Mocha (Node.js)
• Current Limitations
• Custom Locations
• Defining a Root Hook Plugin
• Delayed Root Suite
• Describing Hooks
• Detects Multiple Calls to done()
• Diffs
• Doc
• Dot Matrix
• Dynamically Generating Tests
• Editor Plugins
• Emacs
• Environment Variables
• Error Codes
• Examples
• Exclusive Tests
• Exclusive Tests are Disallowed
• Exports
• Extending Configuration
• File Order is Non-Deterministic
• Getting Started
• Global Fixtures
• Global Setup Fixtures
• Global Teardown Fixtures
• Grep
• HTML Reporter
• Hook-level
• Hooks
• Ignoring Config Files
• Inclusive Tests
• Installation
• Interfaces
• JSON
• JSON Stream
• JetBrains
• Landing Strip
• Limitations of asynchronous callbacks
• Limited Reporter API for Third-Party Reporters
• List
• Markdown
• Merging
• Migrating Tests to use Root Hook Plugins
• Migrating a Library to use Root Hook PLugins
• Min
• Mocha Sidebar (VS Code)
• More Information
• Multiple Root Hook Plugins
• Multiple Root Hooks in a Single Plugin
• No Browser Support
• Node.JS native ESM support
• Nyan
• Parallel Mode
• Parallel Mode Worker IDs
• Parallel Tests
• Pending Tests
• Priorities
• Progress
• QUnit
• Reporter Limitations
• Reporters
• Reporting
• Require
• Retry Tests
• Root Hook Plugins
• Root Hook Plugins Can Export a Function
• Root Hooks Are Not Global
• Root-Level Hooks
• Run Cycle Overview
• Running Mocha in the Browser
• Serial Mode
• Spec
• Sponsors
• Suite-level
• Synchronous Code
• TAP
• TDD
• Test Duration Variability
• Test Fixture Decision-Tree Wizard Thing
• Test duration
• Test-level
• Testing Mocha
• TextMate
• The test/ Directory
• Third-Party Reporters
• Timeouts
• Troubleshooting Parallel Mode
• Using async / await
• Wallaby.js
• When Not To Use Global Fixtures
• When To Use Global Fixtures
• Working with Promises
• XUnit
• “Bail” is “Best Effort”