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What's new in Midje 1.5

A tutorial introduction

A tutorial introduction for clojure.test users

Concept index

The core

• Facts: Midje's equivalent of a test.
• Predictions: Midje's equivalent of an assertion.
• Checkers: Prepackaged functions that perform common checks.
  • Simple checkers
  • Checking sequential collections
  • Checking maps and records
  • Checking sets
  • Combining checkers
• Repl tools: A quick introduction.
• Using Midje at the command line

Bending Midje to your will

• Using metadata to filter facts
• Print levels: Control verbosity.
• Configuration files: Control everything.
• Colorizing: Highlight failing and future facts.
• Customizing reporting: Making Midje speak such that your continuous build server (for example) understands.
• Production mode: Preventing Midje code from being compiled into production code.

Beyond the basics

• Setup and teardown
• Future facts: "Commenting out" facts in a way that prevents you from forgetting about them.
• Tabular facts: Shorthand for checking multiple sets of values
• Writing your own checkers: It's simple.
• Chatty checkers: Checkers that explain more about a failure.
• Testing private functions and their use
• Mixing facts and source code

Top-down development

• The idea
• A video introduction
• Describing one prediction's prerequisites
  • Variant prerequisite arrows
  • Prerequisites and protocols: Extra work is required to override protocol functions in facts.
  • Metaconstants as partial packets of values
• Establishing fact-wide prerequisites

Integration

• Midje-mode: Emacs mode for using Midje with a REPL.
• clojure-jump-to-file: Jump to a line of Clojure code from any Emacs buffer (usually a shell buffer)
• Cascalog functions

Videos

• An introduction to Midje for clojure.test users
• An example showing top-down testing using metaconstants (alternate download)
• An Emacs minor mode for Midje
• Emacs code to jump to a particular location in a Clojure file

Miscellany

• Why is it called "Midje"?
• Syntax errors that will not be fixed
• Collection checkers and strings
• AOT-compiling metaconstants: It should usually work, but here's what to do if it doesn't.
• Caching: Checking memoization and caching.
• Partial prerequisites: Undescribed function calls can go to the real function.

Reference

• Extended equality
• Syntax and a little semantics
  • Prediction arrows
• Lein midje
• Working in the repl
  • Repl tools
  • The compendium: Working with loaded facts
  • Autotesting: Tracking file changes and reloading facts.