add test case

Author: Thomasr

server/node-service/src/common/util.test.ts

@@ -0,0 +1,112 @@
+import { specsToOptions, version2spec } from "./util";
+
+describe('version2spec', () => {
+  test('should return the spec for the given version', () => {
+    const specs = {
+      v1: 'spec for version 1',
+      v2: 'spec for version 2',
+      v3: 'spec for version 3'
+    };
+
+    expect(version2spec(specs, 'v2')).toBe('spec for version 2');
+  });
+
+  test('should return the first spec if version is undefined', () => {
+    const specs = {
+      v1: 'spec for version 1',
+      v2: 'spec for version 2',
+      v3: 'spec for version 3'
+    };
+
+    expect(version2spec(specs, undefined)).toBe('spec for version 1');
+  });
+
+  test('should return the first spec if version is an empty string', () => {
+    const specs = {
+      v1: 'spec for version 1',
+      v2: 'spec for version 2',
+      v3: 'spec for version 3'
+    };
+
+    expect(version2spec(specs, "")).toBe('spec for version 1');
+  });
+
+  test('should return undefined if specs is an empty object and version is undefined', () => {
+    const specs = {};
+
+    expect(version2spec(specs, undefined)).toBeUndefined();
+  });
+
+  test('should return undefined if specs is an empty object and version is an empty string', () => {
+    const specs = {};
+
+    expect(version2spec(specs, "")).toBeUndefined();
+  });
+
+  test('should return undefined if the specified version does not exist in specs', () => {
+    const specs = {
+      v1: 'spec for version 1',
+      v2: 'spec for version 2',
+      v3: 'spec for version 3'
+    };
+
+    expect(version2spec(specs, 'v4')).toBeUndefined();
+  });
+});
+
+describe('specsToOptions', () => {
+  test('should convert specs object to options array', () => {
+    const specs = {
+      color: 'red',
+      size: 'large',
+      weight: 'light'
+    };
+
+    const expectedOptions = [
+      { value: 'color', label: 'color' },
+      { value: 'size', label: 'size' },
+      { value: 'weight', label: 'weight' }
+    ];
+
+    expect(specsToOptions(specs)).toEqual(expectedOptions);
+  });
+
+  test('should return an empty array if specs object is empty', () => {
+    const specs = {};
+    const expectedOptions: any[] = [];
+
+    expect(specsToOptions(specs)).toEqual(expectedOptions);
+  });
+
+  test('should handle specs object with non-string values', () => {
+    const specs = {
+      color: 'red',
+      size: 42,
+      available: true
+    };
+
+    const expectedOptions = [
+      { value: 'color', label: 'color' },
+      { value: 'size', label: 'size' },
+      { value: 'available', label: 'available' }
+    ];
+
+    expect(specsToOptions(specs)).toEqual(expectedOptions);
+  });
+
+  test('should handle specs object with numeric keys', () => {
+    const specs = {
+      1: 'one',
+      2: 'two',
+      3: 'three'
+    };
+
+    const expectedOptions = [
+      { value: '1', label: '1' },
+      { value: '2', label: '2' },
+      { value: '3', label: '3' }
+    ];
+
+    expect(specsToOptions(specs)).toEqual(expectedOptions);
+  });
+});