Merge pull request #150 from woocommerce/PCP-141-disable-vault-setting-if-not-in-

Disable vault setting if vaulting feature is not available

tests/PHPUnit/WcGateway/Settings/SettingsListenerTest.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace WooCommerce\PayPalCommerce\WcGateway\Settings;
+
+use WooCommerce\PayPalCommerce\ApiClient\Authentication\Bearer;
+use WooCommerce\PayPalCommerce\ApiClient\Helper\Cache;
+use WooCommerce\PayPalCommerce\Onboarding\State;
+use WooCommerce\PayPalCommerce\TestCase;
+use Mockery;
+use WooCommerce\PayPalCommerce\Webhooks\WebhookRegistrar;
+use function Brain\Monkey\Functions\when;
+use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
+
+class SettingsListenerTest extends TestCase
+{
+    use MockeryPHPUnitIntegration;
+
+    public function testListen()
+    {
+        $settings = Mockery::mock(Settings::class);
+        $setting_fields = [];
+        $webhook_registrar = Mockery::mock(WebhookRegistrar::class);
+        $cache = Mockery::mock(Cache::class);
+        $state = Mockery::mock(State::class);
+        $bearer = Mockery::mock(Bearer::class);
+
+        $testee = new SettingsListener(
+            $settings,
+            $setting_fields,
+            $webhook_registrar,
+            $cache,
+            $state,
+            $bearer
+        );
+
+        $_REQUEST['section'] = 'ppcp-gateway';
+        $_POST['ppcp-nonce'] = 'foo';
+        $_POST['ppcp'] = [
+            'client_id' => 'client_id',
+        ];
+        $_GET['ppcp-tab'] = 'just-a-tab';
+
+        when('sanitize_text_field')->justReturn('ppcp-gateway');
+        when('wp_unslash')->justReturn('ppcp-gateway');
+        when('current_user_can')->justReturn(true);
+        when('wp_verify_nonce')->justReturn(true);
+
+        $settings->shouldReceive('has')
+            ->with('client_id')
+            ->andReturn('client_id');
+        $settings->shouldReceive('get')
+            ->with('client_id')
+            ->andReturn('client_id');
+        $settings->shouldReceive('has')
+            ->with('client_secret')
+            ->andReturn('client_secret');
+        $settings->shouldReceive('get')
+            ->with('client_secret')
+            ->andReturn('client_secret');
+        $settings->shouldReceive('persist');
+        $cache->shouldReceive('has')
+            ->andReturn(false);
+
+        $testee->listen();
+    }
+}