Break out opt-in-text into its own method

We need a way to get the opt-in-text without needing to query through
the list of active plugins so we can send the text with the user
registration.

src/Telemetry/Opt_In/Opt_In_Template.php

@@ -85,18 +85,8 @@ public function get_args( string $stellar_slug ) {
 			__( 'We hope you love %s.', 'stellarwp-telemetry' ),
 			$optin_args['plugin_name']
 		);
-		$optin_args['intro'] = sprintf(
-			// Translators: The user name and the plugin name.
-			__(
-				'Hi, %1$s! This is an invitation to help our StellarWP community.
-				If you opt-in, some data about your usage of %2$s and future StellarWP Products will be shared with our teams (so they can work their butts off to improve).
-				We will also share some helpful info on WordPress, and our products from time to time.
-				And if you skip this, that’s okay! Our products still work just fine.',
-				'stellarwp-telemetry'
-			),
-			$optin_args['user_name'],
-			$optin_args['plugin_name']
-		);
+
+		$optin_args['intro'] = $this->get_intro( $optin_args['user_name'], $optin_args['plugin_name'] );
 
 		/**
 		 * Filters the arguments for rendering the Opt-In modal.
@@ -230,4 +220,27 @@ public function get_opted_in_plugin_names() {
 
 		return $opted_in_plugins;
 	}
+
+	/**
+	 * Gets the primary message displayed on the opt-in modal.
+	 *
+	 * @param string $user_name   The display name of the user.
+	 * @param string $plugin_name The name of the plugin.
+	 *
+	 * @return string
+	 */
+	public function get_intro( $user_name, $plugin_name ) {
+		return sprintf(
+			// Translators: The user name and the plugin name.
+			esc_html__(
+				'Hi, %1$s! This is an invitation to help our StellarWP community.
+				If you opt-in, some data about your usage of %2$s and future StellarWP Products will be shared with our teams (so they can work their butts off to improve).
+				We will also share some helpful info on WordPress, and our products from time to time.
+				And if you skip this, that’s okay! Our products still work just fine.',
+				'stellarwp-telemetry'
+			),
+			$user_name,
+			$plugin_name
+		);
+	}
 }

src/Telemetry/Telemetry/Telemetry.php

@@ -348,15 +348,14 @@ protected function get_user_details( string $stellar_slug = '' ) {
 			$stellar_slug = Config::get_stellar_slug();
 		}
 
-		$modal_args = Config::get_container()->get( Opt_In_Template::class )->get_args( $stellar_slug );
-
-		$user = wp_get_current_user();
+		$user     = wp_get_current_user();
+		$template = Config::get_container()->get( Opt_In_Template::class );
 
 		$args = [
 			'name'        => $user->display_name,
 			'email'       => $user->user_email,
 			'plugin_slug' => $stellar_slug,
-			'opt_in_text' => $modal_args['intro'],
+			'opt_in_text' => $template->get_intro( $user->display_name, $stellar_slug ),
 		];
 
 		/**

tests/wpunit/TemplateTest.php

@@ -0,0 +1,75 @@
+<?php
+
+use Codeception\TestCase\WPTestCase;
+use StellarWP\Telemetry\Admin\Resources;
+use StellarWP\Telemetry\Opt_In\Opt_In_Template;
+use StellarWP\Telemetry\Opt_In\Status;
+use StellarWP\Telemetry\Tests\Support\Traits\With_Test_Container;
+use StellarWP\Telemetry\Tests\Support\Traits\With_Uopz;
+
+class TemplateTest extends WPTestCase {
+
+	use With_Test_Container;
+	use With_Uopz;
+
+	public function get_default_template_data() {
+		return [
+			'plugin_logo'           => Resources::get_asset_path() . 'resources/images/stellar-logo.svg',
+			'plugin_logo_width'     => 151,
+			'plugin_logo_height'    => 32,
+			'plugin_logo_alt'       => 'StellarWP Logo',
+			'plugin_name'           => 'StellarWP',
+			'plugin_slug'           => 'telemetry-library',
+			'user_name'             => 'admin',
+			'permissions_url'       => '#',
+			'tos_url'               => '#',
+			'privacy_url'           => 'https://stellarwp.com/privacy-policy/',
+			'opted_in_plugins_text' => 'See which plugins you have opted in to tracking for',
+			'opted_in_plugins'      => [],
+			'heading'               => 'We hope you love StellarWP.',
+			'intro'                 => 'Hi, admin! This is an invitation to help our StellarWP community.
+				If you opt-in, some data about your usage of StellarWP and future StellarWP Products will be shared with our teams (so they can work their butts off to improve).
+				We will also share some helpful info on WordPress, and our products from time to time.
+				And if you skip this, that’s okay! Our products still work just fine.',
+		];
+	}
+
+	public function test_should_return_basic_defaults() {
+		$status = new Status();
+
+		$this->set_fn_return(
+			'wp_get_current_user',
+			static function () {
+				return new WP_User( 1, 'admin' );
+			},
+			true
+		);
+
+		update_option(
+			$status->get_option_name(),
+			[
+				'plugins' => [
+					'the-events-calendar' => [
+						'wp_slug' => 'the-events-calendar/the-events-calendar.php',
+						'optin'   => false,
+					],
+				],
+				'token'   => 'abcd1234',
+			]
+		);
+
+		$expected = $this->get_default_template_data();
+		$actual   = ( new Opt_In_Template( $status ) )->get_args( 'telemetry-library' );
+
+		$this->assertIsArray( $actual );
+		$this->assertEquals( $expected, $actual );
+	}
+
+	public function test_get_intro() {
+		$expected = $this->get_default_template_data();
+		$actual   = ( new Opt_In_Template( new Status() ) )->get_intro( 'admin', 'StellarWP' );
+
+		$this->assertIsString( $actual );
+		$this->assertEquals( $expected['intro'], $actual );
+	}
+}