Initial import with skill sheet working

node_modules/nedb-promises/test/d.update.test.js

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+const Datastore = require('../src/Datastore');
+
+describe('testing document update', () => {
+    const docs = [
+        { name: '1st document' },
+        { name: '2nd document' },
+        { name: '3rd document' },
+    ];
+
+    const datastore = Datastore.create();
+    beforeEach(() => datastore.insert(docs));
+    afterEach(() => datastore.remove({}, { multi: true }));
+
+    describe('single', () => {
+        it('should update single document', async () => {
+            const { _id } = await datastore.findOne({ name: /^1st/ });
+            const numAffected = await datastore.update({ name: /^1st/ }, { test: true }, { multi: false });
+            expect(numAffected).toBe(1);
+            const affectedDoc = await datastore.findOne({ test: true });
+            expect(affectedDoc).toMatchObject({ _id, test: true });
+        });
+    });
+
+    describe('single with returnUpdatedDocs', () => {
+        it('should update and return single document', async () => {
+            const { _id } = await datastore.findOne({ name: /^1st/ });
+            const affectedDoc = await datastore.update(
+                { name: '1st document' },
+                { test: true },
+                { multi: false, returnUpdatedDocs: true },
+            );
+
+            expect(affectedDoc).toMatchObject({ _id, test: true });
+        });
+    });
+
+    describe('bulk', () => {
+        it('should update multiple documents', async () => {
+            const numAffected = await datastore.update(
+                { name: { $regex: /^1st|2nd/ } },
+                { $set: { test: true } },
+                { multi: true },
+            );
+
+            expect(numAffected).toBe(2);
+            const affectedDocs = await datastore.find({ test: true });
+            expect(affectedDocs.length).toBe(2);
+            affectedDocs.forEach((affectedDoc) => {
+                expect(affectedDoc.name.match(/^1st|2nd/)).toBeTruthy();
+                expect(affectedDoc.test).toBe(true);
+            });
+        });
+    });
+
+    describe('bulk with returnUpdatedDocs', () => {
+        it('should update and return multiple documents', async () => {
+            const affectedDocs = await datastore.update(
+                { name: { $regex: /^2nd|3rd/ } },
+                { $set: { test: true } },
+                { multi: true, returnUpdatedDocs: true },
+            );
+
+            expect(affectedDocs.length).toBe(2);
+            affectedDocs.forEach((affectedDoc) => {
+                expect(affectedDoc.name.match(/^2nd|3rd/)).toBeTruthy();
+                expect(affectedDoc.test).toBe(true);
+            });
+        });
+    });
+});