diff --git a/test/mem-server.model.bulkDelete.js b/test/mem-server.model.bulkDelete.js
new file mode 100644
index 0000000..e69de29
diff --git a/test/mem-server.model.bulkUpdate.js b/test/mem-server.model.bulkUpdate.js
new file mode 100644
index 0000000..e69de29
diff --git a/test/mem-server.model.delete.js b/test/mem-server.model.delete.js
new file mode 100644
index 0000000..584d590
--- /dev/null
+++ b/test/mem-server.model.delete.js
@@ -0,0 +1,79 @@
+const assert = require('assert');
+const fs = require('fs');
+const rimraf = require('rimraf');
+
+describe('MemServer.Model Delete Interface', function() {
+  before(function() {
+    const modelFileContent = `import Model from '${process.cwd()}/lib/mem-server/model';
+                              export default Model({});`;
+
+    fs.mkdirSync(`./memserver`);
+    fs.mkdirSync(`./memserver/models`);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/user.js`, modelFileContent);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/photo.js`, modelFileContent);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/photo-comment.js`, modelFileContent);
+    fs.writeFileSync(`${process.cwd()}/memserver/server.js`, 'export default function(Models) {}');
+    fs.mkdirSync(`./memserver/fixtures`);
+    fs.writeFileSync(`${process.cwd()}/memserver/fixtures/photos.js`, `export default [
+      {
+        id: 1,
+        name: 'Ski trip',
+        href: 'ski-trip.jpeg',
+        is_public: false
+      },
+      {
+        id: 2,
+        name: 'Family photo',
+        href: 'family-photo.jpeg',
+        is_public: true
+      },
+      {
+        id: 3,
+        name: 'Selfie',
+        href: 'selfie.jpeg',
+        is_public: false
+      }
+    ];`);
+    fs.writeFileSync(`${process.cwd()}/memserver/fixtures/photo-comments.js`, `export default [
+      {
+        uuid: '499ec646-493f-4eea-b92e-e383d94182f4',
+        content: 'What a nice photo!',
+        photo_id: 1,
+        user_id: 1
+      },
+      {
+        uuid: '77653ad3-47e4-4ec2-b49f-57ea36a627e7',
+        content: 'I agree',
+        photo_id: 1,
+        user_id: 2
+      },
+      {
+        uuid: 'd351963d-e725-4092-a37c-1ca1823b57d3',
+        content: 'I was kidding',
+        photo_id: 1,
+        user_id: 1
+      },
+      {
+        uuid: '374c7f4a-85d6-429a-bf2a-0719525f5f29',
+        content: 'Interesting indeed',
+        photo_id: 2,
+        user_id: 1
+      }
+    ];`);
+  });
+
+  beforeEach(function() {
+    Object.keys(require.cache).forEach((key) => delete require.cache[key]);
+  });
+
+  after(function(done) {
+    if (fs.existsSync(`${process.cwd()}/memserver`)) {
+      rimraf.sync(`${process.cwd()}/memserver`);
+    }
+    done();
+  });
+
+  describe('$Model.delete() interface', function() {
+
+  });
+});
diff --git a/test/mem-server.model.js b/test/mem-server.model.js
index bfdfecf..643156e 100644
--- a/test/mem-server.model.js
+++ b/test/mem-server.model.js
@@ -183,14 +183,13 @@ describe('MemServer.Model Interface', function() {
       assert.equal(Photo.count(), 3);
       assert.equal(PhotoComment.count(), 4);
     });
+
+    // TODO: it('can have custom queries for a Model', function() {
+    //
+    // });
   });
 });
 
-  // describe('update factory interface');
-  // describe('destroy factory interface');
-
-  // describe('serialization interface');
-
-  // describe('complex operations') // multiple edit updates at once
-  // describe('custom query interface') // adding new queries etc
-// });
+// describe('update factory interface');
+// describe('delete factory interface');
+// describe('serialization interface');
diff --git a/test/mem-server.model.serialize.js b/test/mem-server.model.serialize.js
new file mode 100644
index 0000000..e69de29
diff --git a/test/mem-server.model.update.js b/test/mem-server.model.update.js
new file mode 100644
index 0000000..9c8bc9a
--- /dev/null
+++ b/test/mem-server.model.update.js
@@ -0,0 +1,101 @@
+const assert = require('assert');
+const fs = require('fs');
+const rimraf = require('rimraf');
+
+describe('MemServer.Model Update Interface', function() {
+  before(function() {
+    const modelFileContent = `import Model from '${process.cwd()}/lib/mem-server/model';
+                              export default Model({});`;
+
+    fs.mkdirSync(`./memserver`);
+    fs.mkdirSync(`./memserver/models`);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/user.js`, modelFileContent);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/photo.js`, `
+      import Model from '${process.cwd()}/lib/mem-server/model';
+
+      export default Model({
+        defaultAttributes: {
+          is_public: true,
+          name() {
+            return 'Some default name';
+          }
+        }
+      });
+    `);
+    fs.writeFileSync(`${process.cwd()}/memserver/models/photo-comment.js`, `
+      import Model from '${process.cwd()}/lib/mem-server/model';
+
+      export default Model({
+        defaultAttributes: {
+          inserted_at() {
+            return '2017-10-25T20:54:04.447Z';
+          },
+          is_important: true
+        }
+      });
+    `);
+    fs.writeFileSync(`${process.cwd()}/memserver/server.js`, 'export default function(Models) {}');
+    fs.mkdirSync(`./memserver/fixtures`);
+    fs.writeFileSync(`${process.cwd()}/memserver/fixtures/photos.js`, `export default [
+      {
+        id: 1,
+        name: 'Ski trip',
+        href: 'ski-trip.jpeg',
+        is_public: false
+      },
+      {
+        id: 2,
+        name: 'Family photo',
+        href: 'family-photo.jpeg',
+        is_public: true
+      },
+      {
+        id: 3,
+        name: 'Selfie',
+        href: 'selfie.jpeg',
+        is_public: false
+      }
+    ];`);
+    fs.writeFileSync(`${process.cwd()}/memserver/fixtures/photo-comments.js`, `export default [
+      {
+        uuid: '499ec646-493f-4eea-b92e-e383d94182f4',
+        content: 'What a nice photo!',
+        photo_id: 1,
+        user_id: 1
+      },
+      {
+        uuid: '77653ad3-47e4-4ec2-b49f-57ea36a627e7',
+        content: 'I agree',
+        photo_id: 1,
+        user_id: 2
+      },
+      {
+        uuid: 'd351963d-e725-4092-a37c-1ca1823b57d3',
+        content: 'I was kidding',
+        photo_id: 1,
+        user_id: 1
+      },
+      {
+        uuid: '374c7f4a-85d6-429a-bf2a-0719525f5f29',
+        content: 'Interesting indeed',
+        photo_id: 2,
+        user_id: 1
+      }
+    ];`);
+  });
+
+  beforeEach(function() {
+    Object.keys(require.cache).forEach((key) => delete require.cache[key]);
+  });
+
+  after(function(done) {
+    if (fs.existsSync(`${process.cwd()}/memserver`)) {
+      rimraf.sync(`${process.cwd()}/memserver`);
+    }
+    done();
+  });
+
+  describe('$Model.update() interface', function() {
+
+  });
+});