PHP Test Coverage Tool

The PHP Test Coverage tool enables the collection and display of code coverage data on PHP software source code bases of arbitrary size. It is a member of SD's family of Test Coverage tools.

Avaya uses PHP Test Coverage at many of their sites.

PHP Test Coverage Features

Available for PHP4 and PHP5
Not dependent on PHP server configuration
Works with arbitrary subsets of source code base
Can accumulate data from multiple test runs
Handles tens of thousands of scripts
Extremely low probe overhead both in time and space; can be used on live production software
Syntax checks all involved PHP scripts; find syntax errors before your users do
Operations to combine Test Coverage data for unions, deltas, intersections
Produces coverage report by file, class and method. The same report is available as XML to enable custom report generation.
Test coverage collection can run on platform separate from Test Coverage tool

The PHP Test Coverage tool has an intuitively simply display. It shows

Possible test coverage vector (TCV) result files
Selected/accumulated/computed TCV files
List of files being tested for coverage
Locations of probe points in files
Browsable source text of file of current interest
Covered/uncovered status of each probe point on file source text
Summary statistics for percentage covered

Here's a screenshot (in a popup window) of the PHP Test Coverage display. If you have popups disabled, try this link: screen shot. Green code means "covered (executed)". Red code means "uncovered (not executed)". In the example, note that line 43 is covered, and line 44 is not; this means that line 43 threw an exception that aborted execution and so line 44 never got executed. Also note that the system being tested (the open source Web framework Joomla) has 1078 files, 40000+ probe points and that the total coverage is some 46%.

Semantic Designs also offers PHP Profiler Tools

For more information: Info@semanticdesigns.com

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