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phab/src/infrastructure/diff/view/__tests__/PHUIDiffGraphViewTestCase.php
48187cdbbe99feature/better-testing

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PHUIDiffGraphViewTestCase.php
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<?php
final class PHUIDiffGraphViewTestCase extends PhabricatorTestCase {
public function testTailTermination() {
$nodes = array(
'A' => array('B'),
'B' => array('C', 'D', 'E'),
'E' => array(),
'D' => array(),
'C' => array('F', 'G'),
'G' => array(),
'F' => array(),
);
$graph = $this->newGraph($nodes);
$picture = array(
'^',
'o',
'||x',
'|x ',
'o ',
'|x ',
'x ',
);
$this->assertGraph($picture, $graph, pht('Terminating Tree'));
}
public function testReverseTree() {
$nodes = array(
'A' => array('B'),
'C' => array('B'),
'B' => array('D'),
'E' => array('D'),
'F' => array('D'),
'D' => array('G'),
'G' => array(),
);
$graph = $this->newGraph($nodes);
$picture = array(
'^',
'|^',
'o ',
'| ^',
'| |^',
'o ',
'x ',
);
$this->assertGraph($picture, $graph, pht('Reverse Tree'));
}
public function testJoinTerminateTree() {
$nodes = array(
'A' => array('D'),
'B' => array('C'),
'C' => array('D'),
'D' => array(),
);
$graph = $this->newGraph($nodes);
$picture = array(
'^',
'|^',
'|o',
'x ',
);
$this->assertGraph($picture, $graph, pht('Terminated Tree'));
}
public function testThreeWayGraphJoin() {
$nodes = array(
'A' => array('D', 'C', 'B'),
'B' => array('D'),
'C' => array('B', 'E', 'F'),
'D' => array(),
'E' => array(),
'F' => array(),
);
$graph = $this->newGraph($nodes);
$picture = array(
'^',
'||o',
'|o|',
'x| ||',
' | x|',
' | x',
);
$this->assertGraph($picture, $graph, pht('Three-Way Tree'));
}
private function newGraph(array $nodes) {
return id(new PHUIDiffGraphView())
->setIsHead(true)
->setIsTail(true)
->renderRawGraph($nodes);
}
private function assertGraph($picture, $graph, $label) {
list($data, $count) = $graph;
$lines = ipull($data, 'line');
$picture = implode("\n", $picture);
$lines = implode("\n", $lines);
$this->assertEqual($picture, $lines, $label);
}
}
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