- WIP: implement data pre-processor for #101

- implement checks for #101
- add some specs

test/mocks/FormData.mock.js

@@ -0,0 +1,41 @@
+module.exports = class FormDataMock {
+  append() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  delete() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  entries() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  forEach() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  get() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  getAll() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  has() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  keys() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  set() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+
+  values() {
+    throw new Error('Not implemented in FormDataMock.');
+  }
+};