Add some routing, start working on actually searching webmentions

tests/Gateways/SqliteGatewayTest.php

@@ -34,8 +34,6 @@ class SqliteGatewayTest extends TestCase
 
     public function testCanRetrieveAWebmention()
     {
-        $this->gateway = new SqliteGateway(":memory:");
-
         $webmention = new Webmention(
             null,
             "https://lewisdale.dev/post/a-post",
@@ -53,8 +51,6 @@ class SqliteGatewayTest extends TestCase
 
     public function testCanDeleteAWebmention()
     {
-        $this->gateway = new SqliteGateway(":memory:");
-
         $webmention = new Webmention(
             null,
             "https://lewisdale.dev/post/a-post",
@@ -73,8 +69,6 @@ class SqliteGatewayTest extends TestCase
 
     public function testCanGetByPost()
     {
-        $this->gateway = new SqliteGateway(":memory:");
-
         foreach(range(0, 4) as $_) {
             $this->gateway->save(new Webmention(
                 null,
@@ -99,4 +93,56 @@ class SqliteGatewayTest extends TestCase
 
         $this->assertCount(5, $mentions);
     }
+
+    public function testCanFindByParams()
+    {
+        $this->gateway->save(new Webmention(
+            null,
+            "https://lewisdale.dev/post/a-new-post",
+            "https://a-source.url",
+            "No content",
+            "Some Author Name"
+        ));
+
+        $this->gateway->save(new Webmention(
+            null,
+            "https://lewisdale.dev/post/a-new-post",
+            "https://a-different-source.url",
+            "No content",
+            "Some Author Name"
+        ));
+
+        $this->gateway->save(new Webmention(
+            null,
+            "https://lewisdale.dev/post/a-new-post",
+            "https://a-source.url",
+            "Some content",
+            "Some Author Name"
+        ));
+
+        $this->assertCount(
+            2,
+            $this->gateway->find([
+                "target" => "https://lewisdale.dev/post/a-new-post",
+                "source" => "https://a-source.url"
+            ])
+        );
+
+        $this->assertCount(
+            1,
+            $this->gateway->find([
+                "target" => "https://lewisdale.dev/post/a-new-post",
+                "source" => "https://a-different-source.url"
+            ])
+        );
+
+        $this->assertCount(
+            1,
+            $this->gateway->find([
+                "target" => "https://lewisdale.dev/post/a-new-post",
+                "source" => "https://a-source.url",
+                "content" => "Some content"
+            ])
+        );
+    }
 }