WIP Items module.

server/tests/models/Item.test.js

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+import { create, expect } from '~/testInit';
+import Item from '@/models/Item';
+// eslint-disable-next-line no-unused-vars
+import itemCategory from '@/models/ItemCategory';
+import '@/models/ItemMetadata';
+
+describe('Model: Item', () => {
+  it('Should item model belongs to the associated category model.', async () => {
+    const category = await create('item_category');
+    const item = await create('item', { category_id: category.id });
+
+    const itemModel = await Item.where('id', item.id).fetch();
+    const itemCategoryModel = await itemModel.category().fetch();
+
+    expect(itemCategoryModel.attributes.id).equals(category.id);
+  });
+
+  it('Should item model has many metadata that assciated to the item model.', async () => {
+    const item = await create('item');
+    await create('item_metadata', { item_id: item.id });
+    await create('item_metadata', { item_id: item.id });
+
+    const itemModel = await Item.where('id', item.id).fetch();
+    const itemMetadataCollection = await itemModel.metadata().fetch();
+
+    expect(itemMetadataCollection.length).equals(2);
+  });
+});

server/tests/models/ItemCategories.test.js

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+import { create, expect } from '~/testInit';
+import '@/models/Item';
+import ItemCategory from '@/models/ItemCategory';
+
+describe('Model: ItemCategories', () => {
+  it('Shoud item category model has many associated items.', async () => {
+    const category = await create('item_category');
+    await create('item', { category_id: category.id });
+    await create('item', { category_id: category.id });
+
+    const categoryModel = await ItemCategory.where('id', category.id).fetch();
+    const categoryItems = await categoryModel.items().fetch();
+
+    expect(categoryItems.length).equals(2);
+  });
+});