Initial tests for grabbing model data from server

test/models_test.dart

@@ -0,0 +1,54 @@
+/*
+ * Unit tests for accessing various model classes via the API
+ */
+
+import 'package:inventree/inventree/model.dart';
+import "package:test/test.dart";
+
+import "package:inventree/api.dart";
+import "package:inventree/user_profile.dart";
+import "package:inventree/inventree/part.dart";
+
+
+void main() {
+
+  setUp(() async {
+    await UserProfileDBManager().addProfile(UserProfile(
+      name: "Test Profile",
+      server: "http://localhost:12345",
+      username: "testuser",
+      password: "testpassword",
+      selected: true,
+    ));
+
+    assert(await UserProfileDBManager().selectProfileByName("Test Profile"));
+    assert(await InvenTreeAPI().connectToServer());
+  });
+
+  group("Part Tests:", () {
+
+    test("List Parts", () async {
+      List<InvenTreeModel> results;
+
+      // List *all* parts
+      results = await InvenTreePart().list();
+      assert(results.length == 13);
+
+      for (var result in results) {
+        // results must be InvenTreePart instances
+        assert(result is InvenTreePart);
+      }
+
+      // Filter by category
+      results = await InvenTreePart().list(
+        filters: {
+          "category": "2",
+        }
+      );
+
+      assert(results.length == 2);
+    });
+
+  });
+
+}