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1 <?php
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2
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3 namespace Drupal\Tests\comment\Functional;
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4
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5 use Drupal\comment\CommentManagerInterface;
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6 use Drupal\Component\Render\FormattableMarkup;
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7 use Drupal\node\Entity\Node;
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8
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9 /**
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10 * Tests paging of comments and their settings.
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11 *
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12 * @group comment
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13 */
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14 class CommentPagerTest extends CommentTestBase {
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15
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16 /**
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17 * Confirms comment paging works correctly with flat and threaded comments.
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18 */
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19 public function testCommentPaging() {
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20 $this->drupalLogin($this->adminUser);
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21
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22 // Set comment variables.
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23 $this->setCommentForm(TRUE);
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24 $this->setCommentSubject(TRUE);
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25 $this->setCommentPreview(DRUPAL_DISABLED);
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26
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27 // Create a node and three comments.
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28 $node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1]);
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29 $comments = [];
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30 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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31 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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32 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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33
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34 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_FLAT, 'Comment paging changed.');
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35
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36 // Set comments to one per page so that we are able to test paging without
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37 // needing to insert large numbers of comments.
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38 $this->setCommentsPerPage(1);
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39
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40 // Check the first page of the node, and confirm the correct comments are
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41 // shown.
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42 $this->drupalGet('node/' . $node->id());
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43 $this->assertRaw(t('next'), 'Paging links found.');
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44 $this->assertTrue($this->commentExists($comments[0]), 'Comment 1 appears on page 1.');
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45 $this->assertFalse($this->commentExists($comments[1]), 'Comment 2 does not appear on page 1.');
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46 $this->assertFalse($this->commentExists($comments[2]), 'Comment 3 does not appear on page 1.');
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47
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48 // Check the second page.
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49 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 1]]);
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50 $this->assertTrue($this->commentExists($comments[1]), 'Comment 2 appears on page 2.');
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51 $this->assertFalse($this->commentExists($comments[0]), 'Comment 1 does not appear on page 2.');
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52 $this->assertFalse($this->commentExists($comments[2]), 'Comment 3 does not appear on page 2.');
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53
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54 // Check the third page.
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55 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 2]]);
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56 $this->assertTrue($this->commentExists($comments[2]), 'Comment 3 appears on page 3.');
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57 $this->assertFalse($this->commentExists($comments[0]), 'Comment 1 does not appear on page 3.');
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58 $this->assertFalse($this->commentExists($comments[1]), 'Comment 2 does not appear on page 3.');
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59
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60 // Post a reply to the oldest comment and test again.
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61 $oldest_comment = reset($comments);
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62 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $oldest_comment->id());
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63 $reply = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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64
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65 $this->setCommentsPerPage(2);
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66 // We are still in flat view - the replies should not be on the first page,
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67 // even though they are replies to the oldest comment.
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68 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 0]]);
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69 $this->assertFalse($this->commentExists($reply, TRUE), 'In flat mode, reply does not appear on page 1.');
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70
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71 // If we switch to threaded mode, the replies on the oldest comment
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72 // should be bumped to the first page and comment 6 should be bumped
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73 // to the second page.
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74 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Switched to threaded mode.');
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75 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 0]]);
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76 $this->assertTrue($this->commentExists($reply, TRUE), 'In threaded mode, reply appears on page 1.');
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77 $this->assertFalse($this->commentExists($comments[1]), 'In threaded mode, comment 2 has been bumped off of page 1.');
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78
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79 // If (# replies > # comments per page) in threaded expanded view,
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80 // the overage should be bumped.
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81 $reply2 = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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82 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 0]]);
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83 $this->assertFalse($this->commentExists($reply2, TRUE), 'In threaded mode where # replies > # comments per page, the newest reply does not appear on page 1.');
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84
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85 // Test that the page build process does not somehow generate errors when
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86 // # comments per page is set to 0.
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87 $this->setCommentsPerPage(0);
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88 $this->drupalGet('node/' . $node->id(), ['query' => ['page' => 0]]);
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89 $this->assertFalse($this->commentExists($reply2, TRUE), 'Threaded mode works correctly when comments per page is 0.');
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90
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91 $this->drupalLogout();
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92 }
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93
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94 /**
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95 * Confirms comment paging works correctly with flat and threaded comments.
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96 */
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97 public function testCommentPermalink() {
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98 $this->drupalLogin($this->adminUser);
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99
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100 // Set comment variables.
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101 $this->setCommentForm(TRUE);
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102 $this->setCommentSubject(TRUE);
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103 $this->setCommentPreview(DRUPAL_DISABLED);
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104
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105 // Create a node and three comments.
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106 $node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1]);
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107 $comments = [];
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108 $comments[] = $this->postComment($node, 'comment 1: ' . $this->randomMachineName(), $this->randomMachineName(), TRUE);
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109 $comments[] = $this->postComment($node, 'comment 2: ' . $this->randomMachineName(), $this->randomMachineName(), TRUE);
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110 $comments[] = $this->postComment($node, 'comment 3: ' . $this->randomMachineName(), $this->randomMachineName(), TRUE);
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111
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112 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_FLAT, 'Comment paging changed.');
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113
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114 // Set comments to one per page so that we are able to test paging without
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115 // needing to insert large numbers of comments.
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116 $this->setCommentsPerPage(1);
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117
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118 // Navigate to each comment permalink as anonymous and assert it appears on
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119 // the page.
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120 foreach ($comments as $index => $comment) {
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121 $this->drupalGet($comment->toUrl());
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122 $this->assertTrue($this->commentExists($comment), sprintf('Comment %d appears on page %d.', $index + 1, $index + 1));
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123 }
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124 }
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125
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126 /**
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127 * Tests comment ordering and threading.
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128 */
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129 public function testCommentOrderingThreading() {
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130 $this->drupalLogin($this->adminUser);
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131
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132 // Set comment variables.
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133 $this->setCommentForm(TRUE);
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134 $this->setCommentSubject(TRUE);
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135 $this->setCommentPreview(DRUPAL_DISABLED);
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136
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137 // Display all the comments on the same page.
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138 $this->setCommentsPerPage(1000);
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139
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140 // Create a node and three comments.
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141 $node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1]);
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142 $comments = [];
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143 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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144 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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145 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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146
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147 // Post a reply to the second comment.
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148 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[1]->id());
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149 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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150
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151 // Post a reply to the first comment.
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152 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[0]->id());
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153 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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154
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155 // Post a reply to the last comment.
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156 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[2]->id());
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157 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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158
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159 // Post a reply to the second comment.
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160 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[3]->id());
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161 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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162
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163 // At this point, the comment tree is:
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164 // - 0
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165 // - 4
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166 // - 1
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167 // - 3
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168 // - 6
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169 // - 2
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170 // - 5
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171
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172 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_FLAT, 'Comment paging changed.');
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173
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174 $expected_order = [
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175 0,
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176 1,
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177 2,
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178 3,
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179 4,
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180 5,
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181 6,
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182 ];
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183 $this->drupalGet('node/' . $node->id());
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184 $this->assertCommentOrder($comments, $expected_order);
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185
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186 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Switched to threaded mode.');
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187
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188 $expected_order = [
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189 0,
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190 4,
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191 1,
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192 3,
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193 6,
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194 2,
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195 5,
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196 ];
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197 $this->drupalGet('node/' . $node->id());
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198 $this->assertCommentOrder($comments, $expected_order);
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199 }
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200
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201 /**
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202 * Asserts that the comments are displayed in the correct order.
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203 *
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204 * @param \Drupal\comment\CommentInterface[] $comments
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205 * An array of comments, must be of the type CommentInterface.
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206 * @param array $expected_order
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207 * An array of keys from $comments describing the expected order.
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208 */
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209 public function assertCommentOrder(array $comments, array $expected_order) {
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210 $expected_cids = [];
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211
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212 // First, rekey the expected order by cid.
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213 foreach ($expected_order as $key) {
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214 $expected_cids[] = $comments[$key]->id();
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215 }
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216
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217 $comment_anchors = $this->xpath('//article[starts-with(@id,"comment-")]');
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218 $result_order = [];
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219 foreach ($comment_anchors as $anchor) {
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220 $result_order[] = substr($anchor->getAttribute('id'), 8);
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221 }
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222 return $this->assertEqual($expected_cids, $result_order, format_string('Comment order: expected @expected, returned @returned.', ['@expected' => implode(',', $expected_cids), '@returned' => implode(',', $result_order)]));
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223 }
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224
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225 /**
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226 * Tests calculation of first page with new comment.
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227 */
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228 public function testCommentNewPageIndicator() {
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229 $this->drupalLogin($this->adminUser);
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230
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231 // Set comment variables.
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232 $this->setCommentForm(TRUE);
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233 $this->setCommentSubject(TRUE);
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234 $this->setCommentPreview(DRUPAL_DISABLED);
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235
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236 // Set comments to one per page so that we are able to test paging without
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237 // needing to insert large numbers of comments.
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238 $this->setCommentsPerPage(1);
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239
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240 // Create a node and three comments.
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241 $node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1]);
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242 $comments = [];
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243 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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244 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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245 $comments[] = $this->postComment($node, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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246
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247 // Post a reply to the second comment.
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248 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[1]->id());
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249 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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250
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251 // Post a reply to the first comment.
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252 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[0]->id());
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253 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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254
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255 // Post a reply to the last comment.
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256 $this->drupalGet('comment/reply/node/' . $node->id() . '/comment/' . $comments[2]->id());
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257 $comments[] = $this->postComment(NULL, $this->randomMachineName(), $this->randomMachineName(), TRUE);
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258
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259 // At this point, the comment tree is:
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260 // - 0
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261 // - 4
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262 // - 1
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263 // - 3
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264 // - 2
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265 // - 5
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266
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267 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_FLAT, 'Comment paging changed.');
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268
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269 $expected_pages = [
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270 // Page of comment 5
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271 1 => 5,
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272 // Page of comment 4
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273 2 => 4,
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274 // Page of comment 3
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275 3 => 3,
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276 // Page of comment 2
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277 4 => 2,
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278 // Page of comment 1
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279 5 => 1,
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280 // Page of comment 0
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281 6 => 0,
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282 ];
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283
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284 $node = Node::load($node->id());
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285 foreach ($expected_pages as $new_replies => $expected_page) {
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286 $returned_page = \Drupal::entityManager()->getStorage('comment')
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287 ->getNewCommentPageNumber($node->get('comment')->comment_count, $new_replies, $node, 'comment');
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288 $this->assertIdentical($expected_page, $returned_page, format_string('Flat mode, @new replies: expected page @expected, returned page @returned.', ['@new' => $new_replies, '@expected' => $expected_page, '@returned' => $returned_page]));
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289 }
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290
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291 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_THREADED, 'Switched to threaded mode.');
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292
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293 $expected_pages = [
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294 // Page of comment 5
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295 1 => 5,
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296 // Page of comment 4
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297 2 => 1,
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298 // Page of comment 4
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299 3 => 1,
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300 // Page of comment 4
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301 4 => 1,
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302 // Page of comment 4
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303 5 => 1,
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304 // Page of comment 0
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305 6 => 0,
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306 ];
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307
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308 \Drupal::entityManager()->getStorage('node')->resetCache([$node->id()]);
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309 $node = Node::load($node->id());
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310 foreach ($expected_pages as $new_replies => $expected_page) {
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311 $returned_page = \Drupal::entityManager()->getStorage('comment')
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312 ->getNewCommentPageNumber($node->get('comment')->comment_count, $new_replies, $node, 'comment');
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313 $this->assertEqual($expected_page, $returned_page, format_string('Threaded mode, @new replies: expected page @expected, returned page @returned.', ['@new' => $new_replies, '@expected' => $expected_page, '@returned' => $returned_page]));
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314 }
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315 }
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316
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317 /**
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318 * Confirms comment paging works correctly with two pagers.
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319 */
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320 public function testTwoPagers() {
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321 // Add another field to article content-type.
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322 $this->addDefaultCommentField('node', 'article', 'comment_2');
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323 // Set default to display comment list with unique pager id.
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324 entity_get_display('node', 'article', 'default')
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325 ->setComponent('comment_2', [
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326 'label' => 'hidden',
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327 'type' => 'comment_default',
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328 'weight' => 30,
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329 'settings' => [
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330 'pager_id' => 1,
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331 'view_mode' => 'default',
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332 ],
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333 ])
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334 ->save();
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335
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336 // Make sure pager appears in formatter summary and settings form.
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337 $account = $this->drupalCreateUser(['administer node display']);
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338 $this->drupalLogin($account);
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339 $this->drupalGet('admin/structure/types/manage/article/display');
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340 $this->assertNoText(t('Pager ID: @id', ['@id' => 0]), 'No summary for standard pager');
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341 $this->assertText(t('Pager ID: @id', ['@id' => 1]));
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342 $this->drupalPostForm(NULL, [], 'comment_settings_edit');
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343 // Change default pager to 2.
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344 $this->drupalPostForm(NULL, ['fields[comment][settings_edit_form][settings][pager_id]' => 2], t('Save'));
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345 $this->assertText(t('Pager ID: @id', ['@id' => 2]));
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346 // Revert the changes.
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347 $this->drupalPostForm(NULL, [], 'comment_settings_edit');
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348 $this->drupalPostForm(NULL, ['fields[comment][settings_edit_form][settings][pager_id]' => 0], t('Save'));
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349 $this->assertNoText(t('Pager ID: @id', ['@id' => 0]), 'No summary for standard pager');
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350
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351 $this->drupalLogin($this->adminUser);
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352
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353 // Add a new node with both comment fields open.
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354 $node = $this->drupalCreateNode(['type' => 'article', 'promote' => 1, 'uid' => $this->webUser->id()]);
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355 // Set comment options.
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356 $comments = [];
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357 foreach (['comment', 'comment_2'] as $field_name) {
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358 $this->setCommentForm(TRUE, $field_name);
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359 $this->setCommentPreview(DRUPAL_OPTIONAL, $field_name);
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360 $this->setCommentSettings('default_mode', CommentManagerInterface::COMMENT_MODE_FLAT, 'Comment paging changed.', $field_name);
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361
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362 // Set comments to one per page so that we are able to test paging without
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363 // needing to insert large numbers of comments.
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364 $this->setCommentsPerPage(1, $field_name);
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365 for ($i = 0; $i < 3; $i++) {
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366 $comment = t('Comment @count on field @field', [
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367 '@count' => $i + 1,
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368 '@field' => $field_name,
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369 ]);
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370 $comments[] = $this->postComment($node, $comment, $comment, TRUE, $field_name);
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371 }
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372 }
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373
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374 // Check the first page of the node, and confirm the correct comments are
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375 // shown.
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376 $this->drupalGet('node/' . $node->id());
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377 $this->assertRaw(t('next'), 'Paging links found.');
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378 $this->assertRaw('Comment 1 on field comment');
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379 $this->assertRaw('Comment 1 on field comment_2');
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380 // Navigate to next page of field 1.
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381 $this->clickLinkWithXPath('//h3/a[normalize-space(text())=:label]/ancestor::section[1]//a[@rel="next"]', [':label' => 'Comment 1 on field comment']);
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382 // Check only one pager updated.
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383 $this->assertRaw('Comment 2 on field comment');
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384 $this->assertRaw('Comment 1 on field comment_2');
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385 // Return to page 1.
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386 $this->drupalGet('node/' . $node->id());
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387 // Navigate to next page of field 2.
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388 $this->clickLinkWithXPath('//h3/a[normalize-space(text())=:label]/ancestor::section[1]//a[@rel="next"]', [':label' => 'Comment 1 on field comment_2']);
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389 // Check only one pager updated.
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390 $this->assertRaw('Comment 1 on field comment');
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391 $this->assertRaw('Comment 2 on field comment_2');
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392 // Navigate to next page of field 1.
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393 $this->clickLinkWithXPath('//h3/a[normalize-space(text())=:label]/ancestor::section[1]//a[@rel="next"]', [':label' => 'Comment 1 on field comment']);
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394 // Check only one pager updated.
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395 $this->assertRaw('Comment 2 on field comment');
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396 $this->assertRaw('Comment 2 on field comment_2');
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397 }
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398
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399 /**
|
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400 * Follows a link found at a give xpath query.
|
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401 *
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402 * Will click the first link found with the given xpath query by default,
|
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403 * or a later one if an index is given.
|
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404 *
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405 * If the link is discovered and clicked, the test passes. Fail otherwise.
|
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406 *
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407 * @param string $xpath
|
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408 * Xpath query that targets an anchor tag, or set of anchor tags.
|
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409 * @param array $arguments
|
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410 * An array of arguments with keys in the form ':name' matching the
|
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411 * placeholders in the query. The values may be either strings or numeric
|
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412 * values.
|
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413 * @param int $index
|
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414 * Link position counting from zero.
|
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415 *
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416 * @return string|false
|
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417 * Page contents on success, or FALSE on failure.
|
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418 *
|
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419 * @see WebTestBase::clickLink()
|
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|
420 */
|
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421 protected function clickLinkWithXPath($xpath, $arguments = [], $index = 0) {
|
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422 $url_before = $this->getUrl();
|
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423 $urls = $this->xpath($xpath, $arguments);
|
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424 if (isset($urls[$index])) {
|
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425 $url_target = $this->getAbsoluteUrl($urls[$index]->getAttribute('href'));
|
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426 $this->pass(new FormattableMarkup('Clicked link %label (@url_target) from @url_before', ['%label' => $xpath, '@url_target' => $url_target, '@url_before' => $url_before]), 'Browser');
|
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427 return $this->drupalGet($url_target);
|
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428 }
|
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429 $this->fail(new FormattableMarkup('Link %label does not exist on @url_before', ['%label' => $xpath, '@url_before' => $url_before]), 'Browser');
|
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430 return FALSE;
|
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|
431 }
|
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432
|
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433 }
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