42792d5b8c0105f40bcc302534462dffa21ec5ab
3 require_once __DIR__
. "/../../../maintenance/fetchText.php";
6 * Mock for the input/output of FetchText
8 * FetchText internally tries to access stdin and stdout. We mock those aspects
11 class SemiMockedFetchText
extends FetchText
{
14 * @var String|null Text to pass as stdin
16 private $mockStdinText = null;
19 * @var bool Whether or not a text for stdin has been provided
21 private $mockSetUp = false;
24 * @var Array Invocation counters for the mocked aspects
26 private $mockInvocations = array( 'getStdin' => 0 );
30 * Data for the fake stdin
32 * @param $stdin String The string to be used instead of stdin
34 function mockStdin( $stdin ) {
35 $this->mockStdinText
= $stdin;
36 $this->mockSetUp
= true;
40 * Gets invocation counters for mocked methods.
42 * @return Array An array, whose keys are function names. The corresponding values
43 * denote the number of times the function has been invoked.
45 function mockGetInvocations() {
46 return $this->mockInvocations
;
49 // -----------------------------------------------------------------
50 // Mocked functions from FetchText follow.
52 function getStdin( $len = null ) {
53 $this->mockInvocations
['getStdin']++
;
54 if ( $len !== null ) {
55 throw new PHPUnit_Framework_ExpectationFailedException(
56 "Tried to get stdin with non null parameter" );
59 if ( !$this->mockSetUp
) {
60 throw new PHPUnit_Framework_ExpectationFailedException(
61 "Tried to get stdin before setting up rerouting" );
64 return fopen( 'data://text/plain,' . $this->mockStdinText
, 'r' );
69 * TestCase for FetchText
75 class FetchTextTest
extends MediaWikiTestCase
{
77 // We add 5 Revisions for this test. Their corresponding text id's
78 // are stored in the following 5 variables.
87 * @var Exception|null As the current MediaWikiTestCase::run is not
88 * robust enough to recover from thrown exceptions directly, we cannot
89 * throw frow within addDBData, although it would be appropriate. Hence,
90 * we catch the exception and store it until we are in setUp and may
91 * finally rethrow the exception without crashing the test suite.
93 private $exceptionFromAddDBData;
96 * @var FetchText the (mocked) FetchText that is to test
101 * Adds a revision to a page, while returning the resuting text's id
103 * @param $page WikiPage The page to add the revision to
104 * @param $text String The revisions text
105 * @param $text String The revisions summare
109 private function addRevision( $page, $text, $summary ) {
110 $status = $page->doEditContent( ContentHandler
::makeContent( $text, $page->getTitle() ), $summary );
111 if ( $status->isGood() ) {
112 $value = $status->getValue();
113 $revision = $value['revision'];
114 $id = $revision->getTextId();
119 throw new MWException( "Could not determine text id" );
123 function addDBData() {
124 $this->tablesUsed
[] = 'page';
125 $this->tablesUsed
[] = 'revision';
126 $this->tablesUsed
[] = 'text';
128 $wikitextNamespace = $this->getDefaultWikitextNS();
131 $title = Title
::newFromText( 'FetchTextTestPage1', $wikitextNamespace );
132 $page = WikiPage
::factory( $title );
133 $this->textId1
= $this->addRevision( $page, "FetchTextTestPage1Text1", "FetchTextTestPage1Summary1" );
135 $title = Title
::newFromText( 'FetchTextTestPage2', $wikitextNamespace );
136 $page = WikiPage
::factory( $title );
137 $this->textId2
= $this->addRevision( $page, "FetchTextTestPage2Text1", "FetchTextTestPage2Summary1" );
138 $this->textId3
= $this->addRevision( $page, "FetchTextTestPage2Text2", "FetchTextTestPage2Summary2" );
139 $this->textId4
= $this->addRevision( $page, "FetchTextTestPage2Text3", "FetchTextTestPage2Summary3" );
140 $this->textId5
= $this->addRevision( $page, "FetchTextTestPage2Text4 some additional Text ", "FetchTextTestPage2Summary4 extra " );
141 } catch ( Exception
$e ) {
142 // We'd love to pass $e directly. However, ... see
143 // documentation of exceptionFromAddDBData
144 $this->exceptionFromAddDBData
= $e;
149 protected function setUp() {
152 // Check if any Exception is stored for rethrowing from addDBData
153 if ( $this->exceptionFromAddDBData
!== null ) {
154 throw $this->exceptionFromAddDBData
;
157 $this->fetchText
= new SemiMockedFetchText();
162 * Helper to relate FetchText's input and output
164 private function assertFilter( $input, $expectedOutput ) {
165 $this->fetchText
->mockStdin( $input );
166 $this->fetchText
->execute();
167 $invocations = $this->fetchText
->mockGetInvocations();
168 $this->assertEquals( 1, $invocations['getStdin'],
169 "getStdin invocation counter" );
170 $this->expectOutputString( $expectedOutput );
174 // Instead of the following functions, a data provider would be great.
175 // However, as data providers are evaluated /before/ addDBData, a data
176 // provider would not know the required ids.
178 function testExistingSimple() {
179 $this->assertFilter( $this->textId2
,
180 $this->textId2
. "\n23\nFetchTextTestPage2Text1" );
183 function testExistingSimpleWithNewline() {
184 $this->assertFilter( $this->textId2
. "\n",
185 $this->textId2
. "\n23\nFetchTextTestPage2Text1" );
188 function testExistingSeveral() {
189 $this->assertFilter( "$this->textId1\n$this->textId5\n"
190 . "$this->textId3\n$this->textId3",
192 $this->textId1
. "\n23\nFetchTextTestPage1Text1",
193 $this->textId5
. "\n44\nFetchTextTestPage2Text4 "
194 . "some additional Text",
195 $this->textId3
. "\n23\nFetchTextTestPage2Text2",
196 $this->textId3
. "\n23\nFetchTextTestPage2Text2"
200 function testEmpty() {
201 $this->assertFilter( "", null );
204 function testNonExisting() {
205 $this->assertFilter( $this->textId5 +
10, ( $this->textId5 +
10 ) . "\n-1\n" );
208 function testNegativeInteger() {
209 $this->assertFilter( "-42", "-42\n-1\n" );
212 function testFloatingPointNumberExisting() {
213 // float -> int -> revision
214 $this->assertFilter( $this->textId3 +
0.14159,
215 $this->textId3
. "\n23\nFetchTextTestPage2Text2" );
218 function testFloatingPointNumberNonExisting() {
219 $this->assertFilter( $this->textId5 +
3.14159,
220 ( $this->textId5 +
3 ) . "\n-1\n" );
223 function testCharacters() {
224 $this->assertFilter( "abc", "0\n-1\n" );
228 $this->assertFilter( "ab\n" . $this->textId4
. ".5cd\n\nefg\n" . $this->textId2
229 . "\n" . $this->textId3
,
232 $this->textId4
. "\n23\nFetchTextTestPage2Text3",
235 $this->textId2
. "\n23\nFetchTextTestPage2Text1",
236 $this->textId3
. "\n23\nFetchTextTestPage2Text2"