fix: add unit testing

src/platforms/npm-package/index.ts

@@ -61,7 +61,7 @@ export async function countNpmPackageDependants(packageName: string, version: st
       const path = version !== null ? `${packageName}/v/${version}` : packageName;
       const url = `https://www.npmjs.com/package/${path}?activeTab=dependents&t=${Date.now()}`;
       const timeoutPromise = new Promise<void>((_, timeoutReject) => {
-        countNpmPackageDependantsTimeId = setTimeout(() => timeoutReject(new Error('Operation timed out')), 8000);
+        countNpmPackageDependantsTimeId = setTimeout(() => timeoutReject(new Error('Operation timed out')), 20000);
       });
       const fetchPromise = async (): Promise<void> => {
         try {
@@ -130,6 +130,6 @@ export async function analyze(packageNames: string): Promise<Dep[]> {
     const deps = await Promise.all(depsPromises);
     return Promise.resolve(deps);
   } catch (error: any) {
-    return Promise.reject(new Error(`Cannot analyze ${packageNames}, the reason is ${error.message}`));
+    return Promise.reject(new Error(`Cannot analyze ${packageNames}, the reason is \"${error.message}\"`));
   }
 }

src/platforms/workspaces/yarn/index.spec.ts

@@ -16,13 +16,13 @@ describe('Workspaces Tests', () => {
   it('should not read an invalid package', async () => {
     await expect(analyze('./src/platforms/workspaces/yarn/fixture/invalid-packages')).rejects.toEqual(
       new Error(
-        `It seems that the 'subpackages' directory has not been found, please check the configuration of yarn workspaces..`,
+        `It seems that the 'subpackages' directory has not been found, please check the configuration of yarn workspaces.`,
       ),
     );
   });
   it('can not analyze for the invalid local packages', async () => {
     await expect(analyze('./error-path')).rejects.toEqual(
-      new Error(`Cannot analyze ./error-path, the reason is Cannot find package.json on ./error-path.`),
+      new Error(`Cannot analyze ./error-path, the reason is \"Cannot find package.json on ./error-path.\".`),
     );
   });
   it('can be analyzed for the local packages', async () => {

src/platforms/workspaces/yarn/index.ts

@@ -40,7 +40,7 @@ export async function analyze(packagePath: string) {
     if (dependencyMap.length === 0) {
       return Promise.reject(
         new Error(
-          "It seems that the 'subpackages' directory has not been found, please check the configuration of yarn workspaces..",
+          "It seems that the 'subpackages' directory has not been found, please check the configuration of yarn workspaces.",
         ),
       );
     }
@@ -62,6 +62,6 @@ export async function analyze(packagePath: string) {
       }),
     );
   } catch (error: any) {
-    return Promise.reject(new Error(`Cannot analyze ${packagePath}, the reason is ${error.message}`));
+    return Promise.reject(new Error(`Cannot analyze ${packagePath}, the reason is \"${error.message}\".`));
   }
 }