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1 <?php
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2
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3 /*
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4 * This file is part of Psy Shell.
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5 *
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6 * (c) 2012-2018 Justin Hileman
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7 *
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8 * For the full copyright and license information, please view the LICENSE
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9 * file that was distributed with this source code.
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10 */
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11
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12 namespace Psy\Test\Readline;
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13
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14 use Psy\Readline\Libedit;
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15
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16 class LibeditTest extends \PHPUnit\Framework\TestCase
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17 {
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18 private $historyFile;
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19
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20 public function setUp()
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21 {
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22 if (!Libedit::isSupported()) {
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23 $this->markTestSkipped('Libedit not enabled');
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24 }
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25
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26 $this->historyFile = \tempnam(\sys_get_temp_dir(), 'psysh_test_history');
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27 if (false === \file_put_contents($this->historyFile, "_HiStOrY_V2_\n")) {
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28 $this->fail('Unable to write history file: ' . $this->historyFile);
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29 }
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30 // Calling readline_read_history before readline_clear_history
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31 // avoids segfault with PHP 5.5.7 & libedit v3.1
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32 \readline_read_history($this->historyFile);
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33 \readline_clear_history();
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34 }
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35
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36 public function tearDown()
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37 {
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38 if (\is_file($this->historyFile)) {
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39 \unlink($this->historyFile);
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40 }
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41 }
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42
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43 public function testHistory()
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44 {
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45 $readline = new Libedit($this->historyFile);
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46 $this->assertEmpty($readline->listHistory());
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47 $readline->addHistory('foo');
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48 $this->assertSame(['foo'], $readline->listHistory());
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49 $readline->addHistory('bar');
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50 $this->assertSame(['foo', 'bar'], $readline->listHistory());
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51 $readline->addHistory('baz');
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52 $this->assertSame(['foo', 'bar', 'baz'], $readline->listHistory());
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53 $readline->clearHistory();
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54 $this->assertEmpty($readline->listHistory());
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55 }
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56
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57 /**
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58 * @depends testHistory
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59 */
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60 public function testHistorySize()
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61 {
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62 $readline = new Libedit($this->historyFile, 2);
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63 $this->assertEmpty($readline->listHistory());
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64 $readline->addHistory('foo');
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65 $readline->addHistory('bar');
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66 $this->assertSame(['foo', 'bar'], $readline->listHistory());
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67 $readline->addHistory('baz');
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68 $this->assertSame(['bar', 'baz'], $readline->listHistory());
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69 $readline->addHistory('w00t');
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70 $this->assertSame(['baz', 'w00t'], $readline->listHistory());
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71 $readline->clearHistory();
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72 $this->assertEmpty($readline->listHistory());
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73 }
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74
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75 /**
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76 * @depends testHistory
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77 */
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78 public function testHistoryEraseDups()
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79 {
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80 $readline = new Libedit($this->historyFile, 0, true);
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81 $this->assertEmpty($readline->listHistory());
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82 $readline->addHistory('foo');
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83 $readline->addHistory('bar');
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84 $readline->addHistory('foo');
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85 $this->assertSame(['bar', 'foo'], $readline->listHistory());
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86 $readline->addHistory('baz');
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87 $readline->addHistory('w00t');
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88 $readline->addHistory('baz');
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89 $this->assertSame(['bar', 'foo', 'w00t', 'baz'], $readline->listHistory());
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90 $readline->clearHistory();
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91 $this->assertEmpty($readline->listHistory());
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92 }
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93
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94 public function testListHistory()
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95 {
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96 $readline = new Libedit($this->historyFile);
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97 \file_put_contents(
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98 $this->historyFile,
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99 "This is an entry\n\0This is a comment\nThis is an entry\0With a comment\n",
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100 FILE_APPEND
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101 );
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102 $this->assertSame([
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103 'This is an entry',
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104 'This is an entry',
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105 ], $readline->listHistory());
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106 $readline->clearHistory();
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107 }
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108
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109 /**
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110 * Libedit being a BSD library,
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111 * it doesn't support non-unix line separators.
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112 */
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113 public function testLinebreaksSupport()
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114 {
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115 $readline = new Libedit($this->historyFile);
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116 \file_put_contents(
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117 $this->historyFile,
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118 "foo\rbar\nbaz\r\nw00t",
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119 FILE_APPEND
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120 );
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121 $this->assertSame([
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122 "foo\rbar",
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123 "baz\r",
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124 'w00t',
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125 ], $readline->listHistory());
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126 $readline->clearHistory();
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127 }
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128 }
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