test(inflate): add tests for inflate function

tests/inflate.test.js

@@ -0,0 +1,52 @@
+import inflate from '../src/inflate';
+
+describe('inflate', () => {
+  test('should return an empty object if the one specified isn\'t an object', () => {
+    const inflated = inflate('test');
+
+    expect(typeof inflated).toBe('object');
+  });
+
+  test('should return an empty object if the one specified is empty', () => {
+    const inflated = inflate({});
+
+    expect(typeof inflated).toBe('object');
+  });
+
+  test('should return an object with no changes if no dot notation keys are present', () => {
+    const a = {
+      a: 1,
+    };
+
+    const inflated = inflate(a);
+
+    expect(inflated.a).toBe(1);
+  });
+
+  test('should return an object with dot notation keys inflated to objects', () => {
+    const a = {
+      'a.b': {
+        c: 1,
+      },
+    };
+
+    const inflated = inflate(a);
+
+    expect(inflated.a.b.c).toBe(1);
+  });
+
+  test('should return an object with all dot notation keys inflated to objects', () => {
+    const a = {
+      'a.b': {
+        c: 1,
+      },
+      'd.e': {
+        f: 1,
+      },
+    };
+
+    const inflated = inflate(a);
+
+    expect(inflated.a.b.c + inflated.d.e.f).toBe(2);
+  });
+});