adds fallback capability to market data providers

2024-09-13 20:20:19 -05:00
parent d59b8447d0
commit 2b8fe3c3c2
5 changed files with 172 additions and 17 deletions
@@ -0,0 +1,78 @@
+<?php 
+
+namespace Tests;
+
+use Mockery;
+use Tests\TestCase;
+use Illuminate\Support\Facades\Log;
+use App\Interfaces\MarketData\YahooMarketData;
+use App\Interfaces\MarketData\FallbackInterface;
+use App\Interfaces\MarketData\AlphaVantageMarketData;
+
+class FallbackInterfaceTest extends TestCase
+{
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        Log::spy();
+    }
+
+    public function testFallbackToNextProviderOnFailure()
+    {
+        config()->set('investbrain.provider', 'yahoo,alphavantage');
+        config()->set('investbrain.interfaces', [
+            'yahoo' => YahooMarketData::class,
+            'alphavantage' => AlphaVantageMarketData::class,
+        ]);
+
+        $yahooMock = Mockery::mock(YahooMarketData::class);
+        $yahooMock->shouldReceive('quote')
+                  ->andThrow(new \Exception("Yahoo failed"));
+
+        $alphaMock = Mockery::mock(AlphaVantageMarketData::class);
+        $alphaMock->shouldReceive('quote')
+                  ->andReturn(collect(['Alpha data']));
+
+        $this->app->instance(YahooMarketData::class, $yahooMock);
+        $this->app->instance(AlphaVantageMarketData::class, $alphaMock);
+
+        $fallbackInterface = new FallbackInterface();
+
+        $result = $fallbackInterface->quote('ACME');
+
+        $this->assertEquals(collect(['Alpha data']), $result);
+
+        Log::shouldHaveReceived('warning')->with('Failed calling method quote (yahoo): Yahoo failed');
+    }
+
+    public function testAllProvidersFail()
+    {
+        config()->set('investbrain.provider', 'yahoo,alpha');
+        config()->set('investbrain.interfaces', [
+            'yahoo' => YahooMarketData::class,
+            'alphavantage' => AlphaVantageMarketData::class,
+        ]);
+
+        $yahooMock = Mockery::mock(YahooMarketData::class);
+        $yahooMock->shouldReceive('quote')
+                  ->andThrow(new \Exception("Yahoo failed"));
+
+        $alphaMock = Mockery::mock(AlphaVantageMarketData::class);
+        $alphaMock->shouldReceive('quote')
+                  ->andThrow(new \Exception("Alpha failed"));
+
+        $this->app->instance(YahooMarketData::class, $yahooMock);
+        $this->app->instance(AlphaVantageMarketData::class, $alphaMock);
+
+        $fallbackInterface = new FallbackInterface();
+
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Could not get market data: Provider [alpha] is not a valid market data interface.');
+
+        $fallbackInterface->quote('AAPL');
+
+        Log::shouldHaveReceived('warning')->with('Failed calling method quote (yahoo): Yahoo failed');
+        Log::shouldHaveReceived('warning')->with('Failed calling method quote (alpha): Alpha failed');
+    }
+}