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A fork of the BDD test framework for PHP that supports PHP 5.3

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This project is deprecated and unmaintained. Proceed with caution!

pho

BDD test framework for PHP, inspired by Jasmine and RSpec. Work in progress. Feature requests and pull requests welcome!

Build Status

Installation

The following instructions outline installation using Composer. If you don't have Composer, you can download it from http://getcomposer.org/

  • Run either of the following commands, depending on your environment:
$ composer global require danielstjules/pho:dev-master
$ php composer.phar global require danielstjules/pho:dev-master
  • Edit your ~/.bash_profile or ~/.profile and add:
export PATH=$HOME/.composer/vendor/bin:$PATH

Writing Specs

Pho exposes 8 functions for organizing and writing your tests: describe, context, it, before, after, beforeEach, afterEach and expect.

To create a suite, describe and context can be used by passing them a string and function. Both are interchangeable, though context is more often nested in a describe to group some set of behaviour. it is then used to create a spec, or test.

A spec may contain multiple expectations or assertions, and will pass so long as all assertions pass and no exception is uncaught. For asserting values in pho, expect can be used. The function accepts the value to be tested, and may be chained with a handful of matchers.

<?php

describe('A suite', function() {
    it('contains specs with expectations', function() {
        expect(true)->toBe(true);
    });

    it('can have specs that fail', function() {
        expect(false)->not()->toBe(false);
    });

    it('can have incomplete specs');
});

intro-screenshot

Objects may be passed between suites and specs with php's use keyword. Here's an example:

describe('Example', function() {
    $object = new stdClass();
    $object->name = 'pho';

    context('name', function() use ($object) {
        it('is set to pho', function()  use ($object) {
            expect($object->name)->toBe('pho');
        });
    });
});

Things can get a bit verbose when dealing with multiple objects that need to be passed into closures with use. To avoid such long lists of arguments, $this can be used to set and retrieve values between suites and specs.

describe('SomeClass', function() {
    $this->key1 = 'initialValue';
    $this->key2 = 'initialValue';

    context('methodOne()', function() {
        $this->key1 = 'changedValue';

        it('contains a spec', function() {
            expect($this->key1)->toBe('changedValue');
            expect($this->key2)->toBe('initialValue');
        });
    });

    context('methodTwo()', function() {
        it('contains another spec', function() {
            expect($this->key1)->toBe('initialValue');
            expect($this->key2)->toBe('initialValue');
        });
    });
});

Hooks are available for running functions as setups and teardowns. before is ran prior to any specs in a suite, and after, once all in the suite have been ran. beforeEach and afterEach both run their closures once per spec. Note that beforeEach and afterEach are both stacklable, and will apply to specs within nested suites.

describe('Suite with Hooks', function() {
    $this->count = 0;

    beforeEach(function() {
        $this->count = $this->count + 1;
    });

    it('has a count equal to 1', function() {
        expect($this->count)->toEqual(1);
        // A single beforeEach ran
    });

    context('nested suite', function() {
        beforeEach(function() {
            $this->count = $this->count + 1;
        });

        it('has a count equal to 3', function() {
            expect($this->count)->toEqual(3);
            // Both beforeEach closures incremented the value
        });
    });
});

Running Specs

By default, pho looks for specs in either a test or spec folder under the working directory. It will recurse through all subfolders and run any files ending with Spec.php, ie: userSpec.php. Furthermore, continuous testing is as easy as using the --watch option, which will monitor all files in the path for changes, and rerun specs on save.

watch

Expectations/Matchers

Type Matching

expect('pho')->toBeA('string');
expect(1)->notToBeA('string');
expect(1)->not()->toBeA('string');

expect(1)->toBeAn('integer'); // Alias for toBeA
expect('pho')->notToBeAn('integer');
expect('pho')->not()->toBeA('integer');

Instance Matching

expect(new User())->toBeAnInstanceOf('User');
expect(new User())->not()->toBeAnInstanceOf('Post');
expect(new User())->notToBeAnInstanceOf('Post');

Strict Equality Matching

expect(1)->toBe(1);
expect(1)->not()->toBe(2);
expect(1)->notToBe(2);

expect(['foo'])->toEqual(['foo']); // Alias for toBe
expect(['foo'])->not()->toEqual(true);
expect(['foo'])->notToEqual(true);

expect(null)->toBeNull();
expect('pho')->not()->toBeNull();
expect('pho')->notToBeNull();

expect(true)->toBeTrue();
expect(1)->not()->toBeTrue();
expect(1)->notToBeTrue();

expect(false)->toBeFalse();
expect(0)->not()->toBeFalse();
expect(0)->notToBeFalse();

Loose Equality Matching

expect(1)->toEql(true);
expect(new User('Bob'))->not()->ToEql(new User('Alice'))
expect(new User('Bob'))->notToEql(new User('Alice'))

Length Matching

expect(['tdd', 'bdd'])->toHaveLength(2);
expect('pho')->not()->toHaveLength(2);
expect('pho')->notToHaveLength(2);

expect([])->toBeEmpty();
expect('pho')->not()->toBeEmpty();
expect('pho')->notToBeEmpty();

Inclusion Matching

expect('Spectacular!')->toContain('Spec');
expect(['a', 'b'])->not()->toContain('c');
expect(['a', 'b'])->notToContain('c');

expect('testing')->toContain('test', 'ing'); // Accepts multiple args
expect(['tdd', 'test'])->not()->toContain('bdd', 'spec');
expect(['tdd', 'test'])->notToContain('bdd', 'spec');

expect('testing')->toContainAnyOf('test', 'spec');
expect(['tdd', 'test'])->not()->toContainAnyOf('bdd', 'test');
expect(['tdd', 'test'])->notToContainAnyOf('bdd', 'test');

expect(['name' => 'pho'])->toHaveKey('name');
expect(['name' => 'pho'])->not()->toHaveKey('id');
expect(['name' => 'pho'])->notToHaveKey('id');

Pattern Matching

expect('tdd')->toMatch('/\w[D]{2}/i');
expect('pho')->not()->toMatch('/\d+/');
expect('pho')->notToMatch('/\d+/');

expect('username')->toStartWith('user');
expect('spec')->not()->toStartWith('test');
expect('spec')->notToStartWith('test');

expect('username')->toEndWith('name');
expect('spec')->not()->toEndWith('s');
expect('spec')->notToEndtWith('s');

Numeric Matching

expect(2)->toBeGreaterThan(1);
expect(2)->not()->toBeGreaterThan(2);
expect(1)->notToBeGreaterThan(2);

expect(2)->toBeAbove(1); // Alias for toBeGreaterThan
expect(2)->not()->toBeAbove(2);
expect(1)->notToBeAbove(2);

expect(1)->toBeLessThan(2);
expect(1)->not()->toBeLessThan(1);
expect(2)->notToBeLessThan(1);

expect(1)->toBeBelow(2); // Alias for toBeLessThan
expect(1)->not()->toBeBelow(1);
expect(2)->notToBeBelow(1);

expect(1)->toBeWithin(1, 10); // Inclusive
expect(-2)->not()->toBeWithin(-1, 0);
expect(-2)->notToBeWithin(-1, 0);

Print Matching

$callable = function() {
  echo 'test'
};

expect($callable)->toPrint('test');
expect($callable)->not()->toPrint('testing');
expect($callable)->notToPrint('testing');

Exception Matching

$callable = function() {
  throw new Custom\Exception('error!');
};

expect($callable)->toThrow('Custom\Exception');
expect($callable)->not()->toThrow('\ErrorException');
expect($callable)->notToThrow('\ErrorException');

Reporters

dot (default)

$ pho --reporter dot exampleSpec.php

.FI

Failures:

"A suite can have specs that fail" FAILED
/Users/danielstjules/Desktop/exampleSpec.php:9
Expected false not to be false

Finished in 0.00125 seconds

3 specs, 1 failure, 1 incomplete

spec

$ pho --reporter spec exampleSpec.php

A suite
    contains specs with expectations
    can have specs that fail
    can have incomplete specs

Failures:

"A suite can have specs that fail" FAILED
/Users/danielstjules/Desktop/exampleSpec.php:9
Expected false not to be false

Finished in 0.0012 seconds

3 specs, 1 failure, 1 incomplete

list

$ pho --reporter list exampleSpec.php

A suite contains specs with expectations
A suite can have specs that fail
A suite can have incomplete specs

Failures:

"A suite can have specs that fail" FAILED
/Users/danielstjules/Desktop/exampleSpec.php:9
Expected false not to be false

Finished in 0.0012 seconds

3 specs, 1 failure, 1 incomplete

Mocking

Pho doesn't currently provide mocks/stubs out of the box. Instead, it's suggested that a mocking framework such as prophecy or mockery be used.

Namespace

If you'd rather not have pho use the global namespace for its functions, you can set the --namespace flag to force it to only use the pho namespace. This will be a nicer alternative in PHP 5.6 with https://wiki.php.net/rfc/use_function

pho\describe('A suite', function() {
    pho\it('contains specs with expectations', function() {
        pho\expect(true)->toBe(true);
    });

    pho\it('can have specs that fail', function() {
        pho\expect(false)->not()->toBe(false);
    });
});

Options

$ bin/pho --help
Usage: pho [options] [files]

Options

   -a   --ascii                   Show ASCII art on completion
   -h   --help                    Output usage information
   -f   --filter      <pattern>   Run specs containing a pattern
   -r   --reporter    <name>      Specify the reporter to use
   -s   --stop                    Stop on failure
   -v   --version                 Display version number
   -w   --watch                   Watch files for changes and rerun specs
   -n   --namespace               Only use namespaced functions

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A fork of the BDD test framework for PHP that supports PHP 5.3

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