Improve Test Coverage

tests/wpunit/ConfigTest.php

@@ -37,7 +37,7 @@ public function test_it_returns_true_with_container_set() {
 		$this->assertTrue( Config::has_container() );
 	}
 
-	public function test_it_returns_true_with_no_container_set() {
+	public function test_it_returns_false_with_no_container_set() {
 		$this->assertFalse( Config::has_container() );
 	}
 

tests/wpunit/CoreTest.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Handles all tests related to the Core class.
+ */
+use StellarWP\Telemetry\Config;
+use lucatume\WPBrowser\TestCase\WPTestCase;
+use StellarWP\Telemetry\Core;
+use StellarWP\Telemetry\Tests\Container;
+
+class CoreTest extends WPTestCase {
+
+	public function test_it_throws_exception_without_container() {
+		$core = new Core();
+
+		$this->expectException( RuntimeException::class );
+		$core->init( '/some/path/to/plugin.php' );
+	}
+
+	public function test_it_returns_a_valid_instance() {
+		Config::set_container( new Container() );
+		$core = Config::get_container()->get( Core::class );
+		$this->assertInstanceOf( Core::class, $core->instance() );
+	}
+
+	public function test_it_returns_container_interface() {
+		Config::set_container( new Container() );
+		$core = Config::get_container()->get( Core::class );
+		$core->init( '/some/path/to/plugin.php' );
+
+		$this->assertInstanceOf( \StellarWP\ContainerContract\ContainerInterface::class, $core->container() );
+	}
+}

tests/wpunit/Telemetry_Test.php

@@ -2,7 +2,6 @@
 
 use Codeception\TestCase\WPTestCase;
 use StellarWP\Telemetry\Config;
-use StellarWP\Telemetry\Data_Providers\Debug_Data;
 use StellarWP\Telemetry\Data_Providers\Null_Data_Provider;
 use StellarWP\Telemetry\Opt_In\Status;
 use StellarWP\Telemetry\Telemetry\Telemetry;

tests/wpunit/TemplateTest.php

@@ -111,4 +111,63 @@ static function ( string $_template_file, bool $require_once, array $args ) use
 		$this->assertSame( false, $require );
 		$this->assertSame( $template->get_args( 'telemetry-library' ), $arguments );
 	}
+
+	public function test_get_option_name() {
+		$template = Config::get_container()->get( Opt_In_Template::class );
+
+		$this->assertSame( 'stellarwp_telemetry_telemetry-library_show_optin', $template->get_option_name( 'telemetry-library' ) );
+	}
+
+	public function test_should_render() {
+		$template = Config::get_container()->get( Opt_In_Template::class );
+		$option_name = $template->get_option_name( 'telemetry-library' );
+
+		update_option( $option_name, true );
+
+		$this->assertTrue( $template->should_render( 'telemetry-library' ) );
+
+		update_option( $option_name, false );
+
+		$this->assertFalse( $template->should_render( 'telemetry-library' ) );
+	}
+
+	public function test_maybe_render() {
+		$status   = Config::get_container()->get( Status::class );
+		$template = Config::get_container()->get( Opt_In_Template::class );
+
+		update_option(
+			$status->get_option_name(),
+			[
+				'plugins' => [
+					'the-events-calendar' => [
+						'wp_slug' => 'the-events-calendar/the-events-calendar.php',
+						'optin'   => false,
+					],
+				],
+				'token'   => 'abcd1234',
+			]
+		);
+
+		update_option( $template->get_option_name( 'telemetry-library' ), true);
+
+		$file      = null;
+		$require   = null;
+		$arguments = null;
+
+		$this->set_fn_return(
+			'load_template',
+			static function ( string $_template_file, bool $require_once, array $args ) use ( &$file, &$require, &$arguments ) {
+				$file      = $_template_file;
+				$require   = $require_once;
+				$arguments = $args;
+			},
+			true
+		);
+
+		$template->maybe_render( 'telemetry-library' );
+
+		$this->assertSame( '/var/www/html/wp-content/plugins/telemetry/src/views/optin.php', $file );
+		$this->assertSame( false, $require );
+		$this->assertSame( $template->get_args( 'telemetry-library' ), $arguments );
+	}
 }