Added tests for Easy::Relationship.

README.adoc

@@ -407,7 +407,7 @@ strings and you can use unsupported fields in an `Entity` by converting it to
 * [x] Notification
 * [ ] Poll
 * [x] PushSubscription
-* [ ] Relationship
+* [x] Relationship
 * [ ] Report ^(Deprecated)^
 * [ ] Results
 * [ ] Status

tests/entities/test_relationship.cpp

@@ -0,0 +1,100 @@
+/*  This file is part of mastodon-cpp.
+ *  Copyright © 2019 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <exception>
+#include <string>
+#include <chrono>
+#include <catch.hpp>
+#include "easy/entities/relationship.hpp"
+#include "easy/easy.hpp"
+
+using std::string;
+using std::chrono::system_clock;
+
+using namespace Mastodon;
+
+SCENARIO ("Easy::Relationship works as intended", "[entity]")
+{
+    GIVEN ("An Easy::Relationship object")
+    {
+        Easy::Relationship relationship;
+        bool exception = false;
+
+        WHEN ("It is initialized with valid relationship data")
+        {
+            const string data =
+                "[{\"blocking\" : false,"
+                "\"showing_reblogs\" : true,"
+                "\"requested\" : false,"
+                "\"followed_by\" : false,"
+                "\"muting\" : true,"
+                "\"domain_blocking\" : false,"
+                "\"endorsed\" : false,"
+                "\"following\" : true,"
+                "\"subscribing\" : false,"
+                "\"id\" : \"9jqdKpZIs5D8SOe3e4\","
+                "\"muting_notifications\" : false}]";
+
+            try
+            {
+                relationship.from_string(data);
+            }
+            catch (const std::exception &e)
+            {
+                exception = true;
+            }
+
+            THEN ("No exception is thrown")
+                AND_THEN ("Relationship is valid")
+                AND_THEN ("The attributes are set to the right values")
+            {
+                REQUIRE_FALSE(exception);
+                REQUIRE(relationship.valid());
+                REQUIRE(relationship.id() == "9jqdKpZIs5D8SOe3e4");
+                REQUIRE(relationship.blocking() == false);
+                REQUIRE(relationship.showing_reblogs() == true);
+                REQUIRE(relationship.requested() == false);
+                REQUIRE(relationship.followed_by() == false);
+                REQUIRE(relationship.muting() == true);
+                REQUIRE(relationship.domain_blocking() == false);
+                REQUIRE(relationship.endorsed() == false);
+                REQUIRE(relationship.following() == true);
+                REQUIRE(relationship.muting_notifications() == false);
+            }
+        }
+
+        WHEN ("It is initialized with an empty string")
+        {
+            try
+            {
+                relationship.from_string("");
+            }
+            catch (const std::exception &e)
+            {
+                exception = true;
+            }
+
+            THEN ("No exception is thrown")
+                AND_THEN ("It is not valid")
+                AND_THEN ("id is empty")
+            {
+                REQUIRE_FALSE(exception);
+                REQUIRE_FALSE(relationship.valid());
+                REQUIRE(relationship.id() == "");
+            }
+        }
+    }
+}