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Tests: Add Unit Tests for wp_fast_hash() Function #8556

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Tests: Add Unit Tests for wp_fast_hash() Function #8556

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15f5361
Add Test for wp_fast_hash
Debarghya-Banerjee Mar 20, 2025
0354b58
Add ticket in the Doc comments
Debarghya-Banerjee Mar 21, 2025
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54 changes: 54 additions & 0 deletions tests/phpunit/tests/functions/wpFastHash.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
<?php
/**
* Tests for wp_fast_hash().
*
* @group functions
*
* @covers ::wp_fast_hash
*/
class Tests_Functions_WpFastHash extends WP_UnitTestCase {

/**
* Test that the wp_fast_hash function correctly hashes the message.
*
* @ticket 63136
*/
public function test_wp_fast_hash_should_return_a_non_empty_string() {
$message = 'test message';

$result = wp_fast_hash( $message );

$this->assertNotEmpty( $result );
}

/**
* Test that wp_fast_hash returns the expected format.
*
* @ticket 63136
*/
public function test_wp_fast_hash_should_return_correct_format() {
$message = 'test message';

$result = wp_fast_hash( $message );

$this->assertStringStartsWith( '$generic$', $result );

$base64_part = substr( $result, strlen( '$generic$' ) );

$this->assertNotEmpty( $base64_part );
$this->assertMatchesRegularExpression( '/^[a-zA-Z0-9\-_]+$/', $base64_part );
}

/**
* Test that wp_fast_hash handles special characters correctly.
*
* @ticket 63136
*/
public function test_wp_fast_hash_should_handle_special_characters() {
$message = 'Test @#%$&*()';

$result = wp_fast_hash( $message );

$this->assertNotEmpty( $result );
}
}
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