Write characterisation tests for the new read model

tests/read-models/equipment/get-all.test.ts

@@ -0,0 +1,54 @@
+import {faker} from '@faker-js/faker';
+import {DomainEvent} from '../../../src/types';
+import {TestFramework, initTestFramework} from '../test-framework';
+import {NonEmptyString, UUID} from 'io-ts-types';
+import {getAll} from '../../../src/read-models/equipment/get-all';
+
+describe('get-all', () => {
+  let events: ReadonlyArray<DomainEvent>;
+  let framework: TestFramework;
+  beforeEach(async () => {
+    framework = await initTestFramework();
+  });
+
+  describe('when equipment is added to existing area', () => {
+    const createArea = {
+      id: faker.string.uuid() as UUID,
+      name: faker.company.buzzNoun() as NonEmptyString,
+      description: faker.company.buzzPhrase(),
+    };
+    const addEquipment = {
+      id: faker.string.uuid() as UUID,
+      name: faker.company.buzzNoun() as NonEmptyString,
+      areaId: createArea.id,
+    };
+    beforeEach(async () => {
+      await framework.commands.area.create(createArea);
+      await framework.commands.equipment.add(addEquipment);
+      events = await framework.getAllEvents();
+    });
+
+    it('returns the equipment with the area name', () => {
+      const allEquipment = getAll(events);
+      expect(allEquipment[0].id).toStrictEqual(addEquipment.id);
+      expect(allEquipment[0].areaName).toStrictEqual(createArea.name);
+    });
+  });
+
+  describe('when equipment is added to non-existant area', () => {
+    const addEquipment = {
+      id: faker.string.uuid() as UUID,
+      name: faker.company.buzzNoun() as NonEmptyString,
+      areaId: faker.string.uuid() as UUID,
+    };
+    beforeEach(async () => {
+      await framework.commands.equipment.add(addEquipment);
+      events = await framework.getAllEvents();
+    });
+
+    it('omits the equipment', () => {
+      const allEquipment = getAll(events);
+      expect(allEquipment).toHaveLength(0);
+    });
+  });
+});