public function format(Diff $diff)
{
$messages = new Multiline($diff->getMessages());
$messages->prefix('#');
$lines = new Multiline(array_merge($this->header, $messages->toArray()));
$lines->setEol("\n");
$inOld = false;
$i = 0;
$old = [];
$diffLines = $diff->getDiffLines();
foreach ($diffLines as $line) {
if ($line->isSame()) {
if ($inOld === false) {
$inOld = $i;
}
} elseif ($inOld !== false) {
if ($i - $inOld > 5) {
$old[$inOld] = $i - 1;
}
$inOld = false;
}
++$i;
}
$start = isset($old[0]) ? $old[0] : 0;
$end = count($diffLines);
if ($tmp = array_search($end, $old)) {
$end = $tmp;
}
$newChunk = true;
for ($i = $start; $i < $end; ++$i) {
if (isset($old[$i])) {
$lines->add('');
$newChunk = true;
$i = $old[$i];
}
if ($newChunk) {
if ($this->showNonDiffLines === true) {
$lines->add('@@ @@');
}
$newChunk = false;
}
if ($diffLines[$i]->isAddition()) {
$lines->add('+' . $diffLines[$i]->getText());
} elseif ($diffLines[$i]->isRemoval()) {
$lines->add('-' . $diffLines[$i]->getText());
} elseif ($this->showNonDiffLines === true) {
$lines->add(' ' . $diffLines[$i]->getText());
}
}
$lines->add('');
return (string) $lines;
}
/**
* @dataProvider contextProvider
*/
public function testContext($maxContext, $from, $to, $expected)
{
$gh = new GithubMarkdown();
$context = new ContextDiff();
$context->setMaxContext($maxContext);
$this->assertEquals($expected, $gh->format(Diff::create($from, $to, $context)));
}
/**
* @dataProvider cliEscaperProvider
*
* @param string $from
* @param string $to
* @param string $expected
*/
public function testCliEscaper($from, $to, $expected)
{
$formatter = new POSIX();
$formatter->setEscaper(new Escape\Cli());
$output = $formatter->format(Diff::create($from, $to));
$this->assertSame($expected, $output);
}
public function testTypesOtherThanArrayAndStringCanBePassed()
{
$expected = "--- Original\n+++ New\n@@ @@\n-1\n+2\n";
$diff = Diff::create(1, 2);
$formatter = new Upstream();
$this->assertEquals($expected, $formatter->format($diff));
}
/**
* @dataProvider formatWithoutLineNumberProvider
*
* @param string $from
* @param string $to
* @param string $expected
*/
public function testFormatWithoutLineNumber($from, $to, $expected)
{
$diff = Diff::create($from, $to);
$formatter = new HTML();
$formatter->getPrintf()->disableLineNumber();
$output = $formatter->format($diff);
$this->assertSame($expected, $output);
}
/**
* @dataProvider contextProvider
*
* @param int $maxContext
* @param string $from
* @param string $to
* @param string $expected
*/
public function testContext($maxContext, $from, $to, $expected)
{
$context = new ContextDiff();
$context->setMaxContext($maxContext);
$diff = Diff::create($from, $to, $context);
$formatter = new Text();
$this->assertSame($expected, $formatter->format($diff));
}
/**
* @dataProvider lineEndingProvider
*/
public function testLineEndingWarning($from, $to, $expectedFromEol, $expectedToEol)
{
$formatter = new Upstream();
$diff = $formatter->format(Diff::create($from, $to));
// No warning
if ($expectedFromEol === null) {
$this->assertNotRegExp('/#Warning: Line ending changed from .+ to .+$/m', $diff);
return;
}
$fromEolName = (new EOL($expectedFromEol))->getName();
$toEolName = (new EOL($expectedToEol))->getName();
$pattern = sprintf('/^#Warning: Line ending changed from %s to %s$/m', preg_quote($fromEolName), preg_quote($toEolName));
$this->assertRegExp($pattern, $diff);
}
public function setDiff($sourceBefore, $sourceAfter)
{
$this->diff = Diff::create($sourceBefore, $sourceAfter);
}
private function showDiff(Document $document, $existingFilepath)
{
$before = file_get_contents($existingFilepath);
$after = $document->getContent();
$diff = Diff\Diff::create($before, $after);
$this->stdio->out('Differences to existing file:');
if (!count($diff->getDiffLines())) {
$this->stdio->outln(' <<yellow>>None<<reset>>');
$this->stdio->outln();
return;
}
$this->stdio->outln();
$this->stdio->outln();
if ($this->stdio->getStdout()->isPosix()) {
$t = new Diff\Format\Template\POSIX();
} else {
$t = new Diff\Format\Template\Text();
}
$this->stdio->outln($t->format($diff));
$this->stdio->outln();
}
/**
* Prepare this helper before first using it to format lines.
*
* @param \nochso\Diff\Diff $diff
*/
public function prepare(Diff $diff)
{
$this->lineCountLength = strlen($diff->getMaxLineNumber());
}
public function format(Diff $diff)
{
$this->lineCountLength = strlen($diff->getMaxLineNumber());
return parent::format($diff);
}
public function getMessages()
{
return $this->diff->getMessages();
}
