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<?php
namespace Illuminate\Testing;
use Illuminate\Console\OutputStyle;
use Illuminate\Contracts\Console\Kernel;
use Illuminate\Contracts\Container\Container;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Support\Arr;
use Mockery;
use Mockery\Exception\NoMatchingExpectationException;
use PHPUnit\Framework\TestCase as PHPUnitTestCase;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
class PendingCommand
{
/**
* The test being run.
*
* @var \Illuminate\Foundation\Testing\TestCase
*/
public $test;
/**
* The application instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $app;
/**
* The command to run.
*
* @var string
*/
protected $command;
/**
* The parameters to pass to the command.
*
* @var array
*/
protected $parameters;
/**
* The expected exit code.
*
* @var int
*/
protected $expectedExitCode;
/**
* The unexpected exit code.
*
* @var int
*/
protected $unexpectedExitCode;
/**
* Determine if the command has executed.
*
* @var bool
*/
protected $hasExecuted = false;
/**
* Create a new pending console command run.
*
* @param \PHPUnit\Framework\TestCase $test
* @param \Illuminate\Contracts\Container\Container $app
* @param string $command
* @param array $parameters
* @return void
*/
public function __construct(PHPUnitTestCase $test, Container $app, $command, $parameters)
{
$this->app = $app;
$this->test = $test;
$this->command = $command;
$this->parameters = $parameters;
}
/**
* Specify an expected question that will be asked when the command runs.
*
* @param string $question
* @param string|bool $answer
* @return $this
*/
public function expectsQuestion($question, $answer)
{
$this->test->expectedQuestions[] = [$question, $answer];
return $this;
}
/**
* Specify an expected confirmation question that will be asked when the command runs.
*
* @param string $question
* @param string $answer
* @return $this
*/
public function expectsConfirmation($question, $answer = 'no')
{
return $this->expectsQuestion($question, strtolower($answer) === 'yes');
}
/**
* Specify an expected choice question with expected answers that will be asked/shown when the command runs.
*
* @param string $question
* @param string|array $answer
* @param array $answers
* @param bool $strict
* @return $this
*/
public function expectsChoice($question, $answer, $answers, $strict = false)
{
$this->test->expectedChoices[$question] = [
'expected' => $answers,
'strict' => $strict,
];
return $this->expectsQuestion($question, $answer);
}
/**
* Specify output that should be printed when the command runs.
*
* @param string $output
* @return $this
*/
public function expectsOutput($output)
{
$this->test->expectedOutput[] = $output;
return $this;
}
/**
* Specify output that should never be printed when the command runs.
*
* @param string $output
* @return $this
*/
public function doesntExpectOutput($output)
{
$this->test->unexpectedOutput[$output] = false;
return $this;
}
/**
* Specify a table that should be printed when the command runs.
*
* @param array $headers
* @param \Illuminate\Contracts\Support\Arrayable|array $rows
* @param string $tableStyle
* @param array $columnStyles
* @return $this
*/
public function expectsTable($headers, $rows, $tableStyle = 'default', array $columnStyles = [])
{
$table = (new Table($output = new BufferedOutput))
->setHeaders((array) $headers)
->setRows($rows instanceof Arrayable ? $rows->toArray() : $rows)
->setStyle($tableStyle);
foreach ($columnStyles as $columnIndex => $columnStyle) {
$table->setColumnStyle($columnIndex, $columnStyle);
}
$table->render();
$lines = array_filter(
explode(PHP_EOL, $output->fetch())
);
foreach ($lines as $line) {
$this->expectsOutput($line);
}
return $this;
}
/**
* Assert that the command has the given exit code.
*
* @param int $exitCode
* @return $this
*/
public function assertExitCode($exitCode)
{
$this->expectedExitCode = $exitCode;
return $this;
}
/**
* Assert that the command does not have the given exit code.
*
* @param int $exitCode
* @return $this
*/
public function assertNotExitCode($exitCode)
{
$this->unexpectedExitCode = $exitCode;
return $this;
}
/**
* Assert that the command has the success exit code.
*
* @return $this
*/
public function assertSuccessful()
{
return $this->assertExitCode(Command::SUCCESS);
}
/**
* Assert that the command does not have the success exit code.
*
* @return $this
*/
public function assertFailed()
{
return $this->assertNotExitCode(Command::SUCCESS);
}
/**
* Execute the command.
*
* @return int
*/
public function execute()
{
return $this->run();
}
/**
* Execute the command.
*
* @return int
*
* @throws \Mockery\Exception\NoMatchingExpectationException
*/
public function run()
{
$this->hasExecuted = true;
$mock = $this->mockConsoleOutput();
try {
$exitCode = $this->app->make(Kernel::class)->call($this->command, $this->parameters, $mock);
} catch (NoMatchingExpectationException $e) {
if ($e->getMethodName() === 'askQuestion') {
$this->test->fail('Unexpected question "'.$e->getActualArguments()[0]->getQuestion().'" was asked.');
}
throw $e;
}
if ($this->expectedExitCode !== null) {
$this->test->assertEquals(
$this->expectedExitCode, $exitCode,
"Expected status code {$this->expectedExitCode} but received {$exitCode}."
);
} elseif (! is_null($this->unexpectedExitCode)) {
$this->test->assertNotEquals(
$this->unexpectedExitCode, $exitCode,
"Unexpected status code {$this->unexpectedExitCode} was received."
);
}
$this->verifyExpectations();
$this->flushExpectations();
return $exitCode;
}
/**
* Determine if expected questions / choices / outputs are fulfilled.
*
* @return void
*/
protected function verifyExpectations()
{
if (count($this->test->expectedQuestions)) {
$this->test->fail('Question "'.Arr::first($this->test->expectedQuestions)[0].'" was not asked.');
}
if (count($this->test->expectedChoices) > 0) {
foreach ($this->test->expectedChoices as $question => $answers) {
$assertion = $answers['strict'] ? 'assertEquals' : 'assertEqualsCanonicalizing';
$this->test->{$assertion}(
$answers['expected'],
$answers['actual'],
'Question "'.$question.'" has different options.'
);
}
}
if (count($this->test->expectedOutput)) {
$this->test->fail('Output "'.Arr::first($this->test->expectedOutput).'" was not printed.');
}
if ($output = array_search(true, $this->test->unexpectedOutput)) {
$this->test->fail('Output "'.$output.'" was printed.');
}
}
/**
* Mock the application's console output.
*
* @return \Mockery\MockInterface
*/
protected function mockConsoleOutput()
{
$mock = Mockery::mock(OutputStyle::class.'[askQuestion]', [
(new ArrayInput($this->parameters)), $this->createABufferedOutputMock(),
]);
foreach ($this->test->expectedQuestions as $i => $question) {
$mock->shouldReceive('askQuestion')
->once()
->ordered()
->with(Mockery::on(function ($argument) use ($question) {
if (isset($this->test->expectedChoices[$question[0]])) {
$this->test->expectedChoices[$question[0]]['actual'] = $argument->getAutocompleterValues();
}
return $argument->getQuestion() == $question[0];
}))
->andReturnUsing(function () use ($question, $i) {
unset($this->test->expectedQuestions[$i]);
return $question[1];
});
}
$this->app->bind(OutputStyle::class, function () use ($mock) {
return $mock;
});
return $mock;
}
/**
* Create a mock for the buffered output.
*
* @return \Mockery\MockInterface
*/
private function createABufferedOutputMock()
{
$mock = Mockery::mock(BufferedOutput::class.'[doWrite]')
->shouldAllowMockingProtectedMethods()
->shouldIgnoreMissing();
foreach ($this->test->expectedOutput as $i => $output) {
$mock->shouldReceive('doWrite')
->once()
->ordered()
->with($output, Mockery::any())
->andReturnUsing(function () use ($i) {
unset($this->test->expectedOutput[$i]);
});
}
foreach ($this->test->unexpectedOutput as $output => $displayed) {
$mock->shouldReceive('doWrite')
->ordered()
->with($output, Mockery::any())
->andReturnUsing(function () use ($output) {
$this->test->unexpectedOutput[$output] = true;
});
}
return $mock;
}
/**
* Flush the expectations from the test case.
*
* @return void
*/
protected function flushExpectations()
{
$this->test->expectedOutput = [];
$this->test->unexpectedOutput = [];
$this->test->expectedTables = [];
$this->test->expectedQuestions = [];
$this->test->expectedChoices = [];
}
/**
* Handle the object's destruction.
*
* @return void
*/
public function __destruct()
{
if ($this->hasExecuted) {
return;
}
$this->run();
}
}
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