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<?php
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class MoreLikeThisBase extends DrupalWebTestCase {
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function setUp() {
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parent::setUp('morelikethis');
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// Create and login user
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$admin_user = $this->drupalCreateUser();
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$this->drupalLogin($admin_user);
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}
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function tearDown() {
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parent::tearDown();
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}
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function createVocabulary() {
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$vocab = array();
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$vocab['name'] = $this->randomName(20);
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taxonomy_save_vocabulary($vocab);
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return $vocab;
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}
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function createTerm($vid) {
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$term = array();
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$term['vid'] = $vid;
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$term['name'] = $this->randomName(30);
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$term['description'] = $this->randomName(200);
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taxonomy_save_term($term);
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return $term;
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}
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}
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class MoreLikeThisLookupTestCase extends MoreLikeThisBase {
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function getInfo() {
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return array(
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'name' => t('Internal Lookup'),
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'description' => t('Test the lookup mechanism for identifying internal likeness'),
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'group' => t('More Like This')
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);
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}
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function testLookup() {
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$vocab = $this->createVocabulary();
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$vid = $vocab['vid'];
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$t1 = $this->createTerm($vid);
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$t2 = $this->createTerm($vid);
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$t3 = $this->createTerm($vid);
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$t4 = $this->createTerm($vid);
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$t5 = $this->createTerm($vid);
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$t6 = $this->createTerm($vid);
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$n1 = $this->createNode('page', $vid, $t1, $t2, $t3, $t4, $t5);
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$n2 = $this->createNode('story', $vid, $t1, $t2, $t3, $t4);
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$n3 = $this->createNode('page', $vid, $t1, $t2, $t3);
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$n4 = $this->createNode('story', $vid, $t1, $t2);
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$n5 = $this->createNode('page', $vid, $t1);
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$n6 = $this->createNode('page', $vid, $t6);
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variable_set('morelikethis_target_types_page', array('page' => 'page', 'story' => 'story'));
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variable_set('morelikethis_count_page', '3');
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variable_set('morelikethis_threshold_page', '0.5');
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// Test filter on count & threshold
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$results = morelikethis_find($n1->nid);
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$this->assertEqual(count($results), 2, "Matched results equal expected for test1");
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$this->assertLikeness($results[0], $n2->nid, 4);
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$this->assertLikeness($results[1], $n3->nid, 3);
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// Test filter on count (threshold misses)
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$results = morelikethis_find($n3->nid);
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$this->assertEqual(count($results), 3, "Matched results equal expected for test2");
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$this->assertLikeness($results[0], $n2->nid, 3);
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$this->assertLikeness($results[1], $n1->nid, 3);
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$this->assertLikeness($results[2], $n4->nid, 2);
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// Test filter on count (threshold misses)
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$results = morelikethis_find($n5->nid);
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$this->assertEqual(count($results), 3, "Matched results equal expected for test3");
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$this->assertLikeness($results[0], $n4->nid, 1);
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$this->assertLikeness($results[1], $n3->nid, 1);
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$this->assertLikeness($results[2], $n2->nid, 1);
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//$this->assertLikeness($results[3], $n1->nid, 1);
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variable_set('morelikethis_target_types_page', array('page' => 'page'));
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variable_del('morelikethis_count_page');
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variable_del('morelikethis_threshold_page');
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// Test on node type filtering
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$results = morelikethis_find($n1->nid);
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$this->assertEqual(count($results), 2, "Matched results equal expected for test4");
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$this->assertLikeness($results[0], $n3->nid, 3);
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$this->assertLikeness($results[1], $n5->nid, 1);
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// Test on threshold boundary
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variable_set('morelikethis_threshold_page', 0.6);
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$results = morelikethis_find($n1->nid);
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$this->assertEqual(count($results), 1, "Matched results equal expected for test5");
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$this->assertLikeness($results[0], $n3->nid, 3);
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$results = morelikethis_find($n6->nid);
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$this->assertEqual(count($results), 0, "No results should be found");
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}
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function createNode() {
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$args = func_get_args();
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$type = array_shift($args);
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$vid = array_shift($args);
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$terms = array();
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foreach ($args as $arg) {
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$terms[] = $arg['name'];
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}
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$terms = drupal_implode_tags($terms);
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$params = array(
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'type' => $type,
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'taxonomy' => array(
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'tags' => array($vid => $terms),
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),
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'morelikethis' => array(
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'terms' => $terms,
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),
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);
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return $this->drupalCreateNode($params);
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}
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function assertLikeness($result, $expected_nid, $expected_hits) {
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$this->assertEqual($result->nid, $expected_nid, "nid: {$result->nid} equals expected: {$expected_nid}");
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$this->assertEqual($result->hits, $expected_hits, "hits: {$result->hits} equals expected: {$expected_hits}");
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}
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}
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