Added test for SampleRateRule.

Author: colinmurphy

plugins/wpgraphql-logging/tests/wpunit/Rules/SamplingRateRuleTest.php

@@ -0,0 +1,84 @@
+<?php
+
+declare(strict_types=1);
+
+namespace WPGraphQL\Logging\Tests\Logging\Rules;
+
+
+use lucatume\WPBrowser\TestCase\WPTestCase;
+use WPGraphQL\Logging\Logger\Rules\SamplingRateRule;
+use WPGraphQL\Logging\Admin\Settings\Fields\Tab\BasicConfigurationTab;
+
+/**
+ * Test cases for the SamplingRateRule
+ *
+ * @package WPGraphQL\Logging
+ *
+ * @since 0.0.1
+ */
+class SamplingRateRuleTest extends WPTestCase {
+
+	private SamplingRateRule $rule;
+
+	public function setUp(): void {
+		parent::setUp();
+		$this->rule = new SamplingRateRule();
+	}
+
+	public function test_get_name_returns_correct_name(): void {
+		$this->assertEquals('enabled_rule', $this->rule->get_name());
+	}
+
+	public function test_passes_with_100_percent_sampling_rate(): void {
+		$config = [
+			BasicConfigurationTab::DATA_SAMPLING => 100,
+		];
+
+		$result = $this->rule->passes($config);
+		$this->assertTrue($result);
+	}
+
+	public function test_passes_with_0_percent_sampling_rate(): void {
+		$config = [
+			BasicConfigurationTab::DATA_SAMPLING => 0,
+		];
+
+		$result = $this->rule->passes($config);
+		$this->assertFalse($result);
+	}
+
+	public function test_passes_with_default_sampling_rate_when_not_set(): void {
+		$config = [];
+
+		// Since default is 100, it should always pass
+		$result = $this->rule->passes($config);
+		$this->assertTrue($result);
+	}
+
+	public function test_passes_with_string_sampling_rate(): void {
+		$config = [
+			BasicConfigurationTab::DATA_SAMPLING => '50',
+		];
+
+		$result = $this->rule->passes($config);
+		$this->assertIsBool($result);
+	}
+
+	public function test_passes_with_null_query_string(): void {
+		$config = [
+			BasicConfigurationTab::DATA_SAMPLING => 100,
+		];
+
+		$result = $this->rule->passes($config, null);
+		$this->assertTrue($result);
+	}
+
+	public function test_passes_with_query_string(): void {
+		$config = [
+			BasicConfigurationTab::DATA_SAMPLING => 100,
+		];
+
+		$result = $this->rule->passes($config, 'query { posts { id } }');
+		$this->assertTrue($result);
+	}
+}