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[Console] Fix progress bar formatting when max is set on start() and some other edge cases #16196

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Merged
merged 2 commits into from
Oct 11, 2015
Merged

[Console] Fix progress bar formatting when max is set on start() and some other edge cases #16196

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3cbfa63
fix bug with set max count, by start method in progress bar
vsychov Oct 8, 2015
e651da4
[Console] fixed progress bar format on edge cases
fabpot Oct 11, 2015
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44 changes: 31 additions & 13 deletions src/Symfony/Component/Console/Helper/ProgressBar.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ class ProgressBar
private $barChar;
private $emptyBarChar = '-';
private $progressChar = '>';
private $format = null;
private $format;
private $internalFormat;
private $redrawFreq = 1;

/**
Expand Down Expand Up @@ -72,8 +73,6 @@ public function __construct(OutputInterface $output, $max = 0)
}
}

$this->setFormat($this->determineBestFormat());

$this->startTime = time();
}

Expand Down Expand Up @@ -310,16 +309,8 @@ public function getProgressCharacter()
*/
public function setFormat($format)
{
// try to use the _nomax variant if available
if (!$this->max && null !== self::getFormatDefinition($format.'_nomax')) {
$this->format = self::getFormatDefinition($format.'_nomax');
} elseif (null !== self::getFormatDefinition($format)) {
$this->format = self::getFormatDefinition($format);
} else {
$this->format = $format;
}

$this->formatLineCount = substr_count($this->format, "\n");
$this->format = null;
$this->internalFormat = $format;
}

/**
Expand Down Expand Up @@ -441,6 +432,10 @@ public function display()
return;
}

if (null === $this->format) {
$this->setRealFormat($this->internalFormat ?: $this->determineBestFormat());
}

// these 3 variables can be removed in favor of using $this in the closure when support for PHP 5.3 will be dropped.
$self = $this;
$output = $this->output;
Expand Down Expand Up @@ -475,9 +470,32 @@ public function clear()
return;
}

if (null === $this->format) {
$this->setRealFormat($this->internalFormat ?: $this->determineBestFormat());
}

$this->overwrite(str_repeat("\n", $this->formatLineCount));
}

/**
* Sets the progress bar format.
*
* @param string $format The format
*/
private function setRealFormat($format)
{
// try to use the _nomax variant if available
if (!$this->max && null !== self::getFormatDefinition($format.'_nomax')) {
$this->format = self::getFormatDefinition($format.'_nomax');
} elseif (null !== self::getFormatDefinition($format)) {
$this->format = self::getFormatDefinition($format);
} else {
$this->format = $format;
}

$this->formatLineCount = substr_count($this->format, "\n");
}

/**
* Sets the progress bar maximal steps.
*
Expand Down
47 changes: 47 additions & 0 deletions src/Symfony/Component/Console/Tests/Helper/ProgressBarTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,53 @@ public function testAdvanceOverMax()
);
}

public function testFormat()
{
$expected =
$this->generateOutput(' 0/10 [>---------------------------] 0%').
$this->generateOutput(' 10/10 [============================] 100%').
$this->generateOutput(' 10/10 [============================] 100%')
;

// max in construct, no format
$bar = new ProgressBar($output = $this->getOutputStream(), 10);
$bar->start();
$bar->advance(10);
$bar->finish();

rewind($output->getStream());
$this->assertEquals($expected, stream_get_contents($output->getStream()));

// max in start, no format
$bar = new ProgressBar($output = $this->getOutputStream());
$bar->start(10);
$bar->advance(10);
$bar->finish();

rewind($output->getStream());
$this->assertEquals($expected, stream_get_contents($output->getStream()));

// max in construct, explicit format before
$bar = new ProgressBar($output = $this->getOutputStream(), 10);
$bar->setFormat('normal');
$bar->start();
$bar->advance(10);
$bar->finish();

rewind($output->getStream());
$this->assertEquals($expected, stream_get_contents($output->getStream()));

// max in start, explicit format before
$bar = new ProgressBar($output = $this->getOutputStream());
$bar->setFormat('normal');
$bar->start(10);
$bar->advance(10);
$bar->finish();

rewind($output->getStream());
$this->assertEquals($expected, stream_get_contents($output->getStream()));
}

public function testCustomizations()
{
$bar = new ProgressBar($output = $this->getOutputStream(), 10);
Expand Down