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phab/src/applications/differential/storage/__tests__/DifferentialChangesetTestCase.php
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DifferentialChangesetTestCase.php
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<?php
final class DifferentialChangeSetTestCase extends PhabricatorTestCase {
private function createComment() {
$comment = new DifferentialInlineComment();
return $comment;
}
// $line: 1 based
// $length: 0 based (0 meaning 1 line)
private function createNewComment($line, $length) {
$comment = $this->createComment();
$comment->setIsNewFile(True);
$comment->setLineNumber($line);
$comment->setLineLength($length);
return $comment;
}
// $line: 1 based
// $length: 0 based (0 meaning 1 line)
private function createOldComment($line, $length) {
$comment = $this->createComment();
$comment->setIsNewFile(False);
$comment->setLineNumber($line);
$comment->setLineLength($length);
return $comment;
}
private function createHunk($oldOffset, $oldLen, $newOffset, $newLen, $changes) {
$hunk = new DifferentialHunk();
$hunk->setOldOffset($oldOffset);
$hunk->setOldLen($oldLen);
$hunk->setNewOffset($newOffset);
$hunk->setNewLen($newLen);
$hunk->setChanges($changes);
return $hunk;
}
private function createChange($hunks) {
$change = new DifferentialChangeset();
$change->attachHunks($hunks);
return $change;
}
// Returns a change that consists of a single hunk, starting at line 1.
private function createSingleChange($old_lines, $new_lines, $changes) {
return $this->createChange(array(
0 => $this->createHunk(1, $old_lines, 1, $new_lines, $changes),
));
}
public function testOneLineOldComment() {
$change = $this->createSingleChange(1, 0, "-a");
$context = $change->makeContextDiff($this->createOldComment(1, 0), 0);
$this->assertEqual("@@ -1,1 @@\n-a", $context);
}
public function testOneLineNewComment() {
$change = $this->createSingleChange(0, 1, "+a");
$context = $change->makeContextDiff($this->createNewComment(1, 0), 0);
$this->assertEqual("@@ +1,1 @@\n+a", $context);
}
public function testCannotFindContext() {
$change = $this->createSingleChange(0, 1, "+a");
$context = $change->makeContextDiff($this->createNewComment(2, 0), 0);
$this->assertEqual("", $context);
}
public function testOverlapFromStartOfHunk() {
$change = $this->createChange(array(
0 => $this->createHunk(23, 2, 42, 2, " 1\n 2"),
));
$context = $change->makeContextDiff($this->createNewComment(41, 1), 0);
$this->assertEqual("@@ -23,1 +42,1 @@\n 1", $context);
}
public function testOverlapAfterEndOfHunk() {
$change = $this->createChange(array(
0 => $this->createHunk(23, 2, 42, 2, " 1\n 2"),
));
$context = $change->makeContextDiff($this->createNewComment(43, 1), 0);
$this->assertEqual("@@ -24,1 +43,1 @@\n 2", $context);
}
public function testInclusionOfNewFileInOldCommentFromStart() {
$change = $this->createSingleChange(2, 3,
"+n1\n".
" e1/2\n".
"-o2\n".
"+n3\n");
$context = $change->makeContextDiff($this->createOldComment(1, 1), 0);
$this->assertEqual(
"@@ -1,2 +2,1 @@\n".
" e1/2\n".
"-o2", $context);
}
public function testInclusionOfOldFileInNewCommentFromStart() {
$change = $this->createSingleChange(2, 2,
"-o1\n".
" e2/1\n".
"-o3\n".
"+n2\n");
$context = $change->makeContextDiff($this->createNewComment(1, 1), 0);
$this->assertEqual(
"@@ -2,1 +1,2 @@\n".
" e2/1\n".
"+n2", $context);
}
public function testNoNewlineAtEndOfFile() {
$change = $this->createSingleChange(0, 1,
"+a\n".
"\\No newline at end of file");
// Note that this only works with additional context.
$context = $change->makeContextDiff($this->createNewComment(2, 0), 1);
$this->assertEqual(
"@@ +1,1 @@\n".
"+a\n".
"\\No newline at end of file", $context);
}
public function testMultiLineNewComment() {
$change = $this->createSingleChange(7, 7,
" e1\n".
" e2\n".
"-o3\n".
"-o4\n".
"+n3\n".
" e5/4\n".
" e6/5\n".
"+n6\n".
" e7\n");
$context = $change->makeContextDiff($this->createNewComment(2, 4), 0);
$this->assertEqual(
"@@ -2,5 +2,5 @@\n".
" e2\n".
"-o3\n".
"-o4\n".
"+n3\n".
" e5/4\n".
" e6/5\n".
"+n6", $context);
}
public function testMultiLineOldComment() {
$change = $this->createSingleChange(7, 7,
" e1\n".
" e2\n".
"-o3\n".
"-o4\n".
"+n3\n".
" e5/4\n".
" e6/5\n".
"+n6\n".
" e7\n");
$context = $change->makeContextDiff($this->createOldComment(2, 4), 0);
$this->assertEqual(
"@@ -2,5 +2,4 @@\n".
" e2\n".
"-o3\n".
"-o4\n".
"+n3\n".
" e5/4\n".
" e6/5", $context);
}
public function testInclusionOfNewFileInOldCommentFromStartWithContext() {
$change = $this->createSingleChange(2, 3,
"+n1\n".
" e1/2\n".
"-o2\n".
"+n3\n");
$context = $change->makeContextDiff($this->createOldComment(1, 1), 1);
$this->assertEqual(
"@@ -1,2 +1,2 @@\n".
"+n1\n".
" e1/2\n".
"-o2", $context);
}
public function testInclusionOfOldFileInNewCommentFromStartWithContext() {
$change = $this->createSingleChange(2, 2,
"-o1\n".
" e2/1\n".
"-o3\n".
"+n2\n");
$context = $change->makeContextDiff($this->createNewComment(1, 1), 1);
$this->assertEqual(
"@@ -1,3 +1,2 @@\n".
"-o1\n".
" e2/1\n".
"-o3\n".
"+n2", $context);
}
}
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