Initial commit

tests/unit/infrastructure/InMemoryRepository.spec.ts

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+import { NumericEntityStub } from './../stubs/NumericEntityStub';
+import { InMemoryRepository } from '@/infrastructure/Repository/InMemoryRepository';
+import { expect } from 'chai';
+
+describe('InMemoryRepository', () => {
+    describe('exists', () => {
+        const sut = new InMemoryRepository<number, NumericEntityStub>(
+            [new NumericEntityStub(1), new NumericEntityStub(2), new NumericEntityStub(3)]);
+
+        describe('item exists', () => {
+            const actual = sut.exists(new NumericEntityStub(1));
+            it('returns true', () => expect(actual).to.be.true);
+        });
+        describe('item does not exist', () => {
+            const actual = sut.exists(new NumericEntityStub(99));
+            it('returns false', () => expect(actual).to.be.false);
+        });
+    });
+    it('can get', () => {
+        // arrange
+        const expected = [
+            new NumericEntityStub(1), new NumericEntityStub(2), new NumericEntityStub(3), new NumericEntityStub(4)];
+
+        // act
+        const sut = new InMemoryRepository<number, NumericEntityStub>(expected);
+        const actual = sut.getItems();
+
+        // assert
+        expect(actual).to.deep.equal(expected);
+    });
+    it('can add', () => {
+        // arrange
+        const sut = new InMemoryRepository<number, NumericEntityStub>();
+        const expected = {
+            length: 1,
+            item: new NumericEntityStub(1),
+        };
+
+        // act
+        sut.addItem(expected.item);
+        const actual = {
+            length: sut.length,
+            item: sut.getItems()[0],
+        };
+
+        // assert
+        expect(actual.length).to.equal(expected.length);
+        expect(actual.item).to.deep.equal(expected.item);
+    });
+    it('can remove', () => {
+        // arrange
+        const initialItems = [
+            new NumericEntityStub(1), new NumericEntityStub(2), new NumericEntityStub(3), new NumericEntityStub(4)];
+        const idToDelete = 3;
+        const expected = {
+            length: 3,
+            items: [new NumericEntityStub(1), new NumericEntityStub(2), new NumericEntityStub(4)],
+        };
+        const sut = new InMemoryRepository<number, NumericEntityStub>(initialItems);
+
+        // act
+        sut.removeItem(idToDelete);
+        const actual = {
+            length: sut.length,
+            items: sut.getItems(),
+        };
+
+        // assert
+        expect(actual.length).to.equal(expected.length);
+        expect(actual.items).to.deep.equal(expected.items);
+    });
+});