Added link to Tests badge for users to see uncached version.

Added clearCache method to Tests to allow manual purge.
Silenced npm errors when running "lint" and "fix" scripts.
Updated packages.

.github/CONTRIBUTING.md

@@ -19,7 +19,7 @@ Contributions are welcome! To contribute, fork this repository and create a pull
     }
     ```
   * Add storable credentials to your script to connect to your Firestore database.
-  * Add test methods to `Test.ts` file which validates your change.
+  * Add test methods to `Tests.ts` file which validates your change. [GSUnit Reference](https://sites.google.com/site/scriptsexamples/custom-methods/gsunit)
   * Debug/Test your code against your database.
 - [ ] Have you [documented your functions and their parameters and return values with JSDoc](http://usejsdoc.org/about-getting-started.html)?
 - [ ] Have you modernized the code to run with the new [V8 Runtime](https://developers.google.com/apps-script/guides/v8-runtime)?

.github/README.md

@@ -7,7 +7,7 @@
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](/prettier/prettier)
 [![GitHub pull requests](https://img.shields.io/github/issues-pr/grahamearley/FirestoreGoogleAppsScript)](/grahamearley/FirestoreGoogleAppsScript/pulls)
 [![GitHub issues](https://img.shields.io/github/issues/grahamearley/FirestoreGoogleAppsScript)](/grahamearley/FirestoreGoogleAppsScript/issues)
-![Tests](https://img.shields.io/endpoint?url=https%3A%2F%2Fscript.google.com%2Fmacros%2Fs%2FAKfycbzle3ze4mtGAcTNPlqISSFxtmPqvdcNOFauiC4Q0g%2Fexec)
+[![Tests](https://img.shields.io/endpoint?url=https%3A%2F%2Fscript.google.com%2Fmacros%2Fs%2FAKfycbzle3ze4mtGAcTNPlqISSFxtmPqvdcNOFauiC4Q0g%2Fexec)](https://img.shields.io/endpoint?url=https%3A%2F%2Fscript.google.com%2Fmacros%2Fs%2FAKfycbzle3ze4mtGAcTNPlqISSFxtmPqvdcNOFauiC4Q0g%2Fexec?nocache)
 
 ### A Google Apps Script library for accessing Google Cloud Firestore.
 

Tests.ts

@@ -2,10 +2,11 @@ function StoreCredentials_(): void {
   /** DO NOT SAVE CREDENTIALS HERE */
   const email = '[email protected]';
   const key = '-----BEGIN PRIVATE KEY-----\nLine\nLine\n-----END PRIVATE KEY-----';
+  const projectId = 'xxx';
   PropertiesService.getUserProperties().setProperties({
     email: email,
     key: key,
-    project: email.substr(0, email.indexOf('@')),
+    project: projectId,
   });
 }
 
@@ -15,11 +16,11 @@ class Tests implements TestManager {
   fail: Record<string, Error>;
   expected_!: Record<string, Value>;
 
-  constructor(email: string, key: string, projectId: string, apiVersion: Version = 'v1') {
+  constructor(email: string, key: string, projectId: string, apiVersion: Version = 'v1', clearCollection = false) {
     this.pass = [];
     this.fail = {};
 
-    const funcs = Object.getOwnPropertyNames(Tests.prototype).filter(
+    let funcs = Object.getOwnPropertyNames(Tests.prototype).filter(
       (property) => typeof (this as any)[property] === 'function' && property !== 'constructor'
     );
 
@@ -28,7 +29,7 @@ class Tests implements TestManager {
       this.db = getFirestore(email, key, projectId, apiVersion);
       this.pass.push('Test_Get_Firestore');
     } catch (e) {
-      /** On failure, fail the other tests too */
+      // On failure, fail the remaining tests without execution
       this.fail['Test_Get_Firestore'] = e;
       const err: Error = {
         name: 'Test Error',
@@ -58,6 +59,11 @@ class Tests implements TestManager {
       'reference value': this.db.basePath + 'Test Collection/New Document',
     };
 
+    /** Only run test to remove residual Test Documents **/
+    if (clearCollection) {
+      funcs = ['Test_Delete_Documents'];
+    }
+
     /** Test all methods in this class */
     for (const func of funcs) {
       try {
@@ -332,7 +338,7 @@ class Tests implements TestManager {
   }
 
   Test_Query_Where_Nan(): void {
-    /** Unable to store NaN values to Firestore */
+    // Unable to store NaN values to Firestore, so no results
     const path = 'Test Collection';
     const docs = this.db.query(path).Where('number value', NaN).Execute();
     GSUnit.assertEquals(0, docs.length);
@@ -421,23 +427,35 @@ function RunTests_(): Shield {
     label: 'tests',
     message: `✔ ${pass.length}, ✘ ${Object.keys(fail).length}`,
     color: Object.keys(fail).length ? 'red' : 'green',
-    cacheSeconds: 3600,
+    cacheSeconds: 3600, // Always cache for 1 hour
   };
 }
 
-function cacheResults_(): string {
+function cacheResults_(cachedBadge: boolean): string {
   /* Script owner should set up a trigger for this function to cache the test results.
    * The badge fetching these Test Results (on README) is set to cache the image after 1 hour.
    * GitHub creates anonymized URLs which timeout after 3 seconds,
    * which is longer than the time it takes to execute all the tests.
    */
+  const maxCache = 3600;
   const results = JSON.stringify(RunTests_());
-  CacheService.getUserCache()!.put('Test Results', results);
-  return results;
+  CacheService.getUserCache()!.put('Test Results', results, maxCache);
+  // Send the min cache allowed @see {@link https://shields.io/endpoint ShieldsIO Endpoint}
+  return results.replace(`"cacheSeconds":${maxCache}`, `"cacheSeconds":${cachedBadge ? maxCache : 300}`);
+}
+
+/* eslint-disable-next-line @typescript-eslint/no-unused-vars */
+function clearCache(): void {
+  /** Allow user to clear Cached Results **/
+  const scriptProps = PropertiesService.getUserProperties().getProperties();
+  new Tests(scriptProps['email'], scriptProps['key'], scriptProps['project'], 'v1', true);
+  CacheService.getUserCache()!.remove('Test Results');
 }
 
 /* eslint-disable-next-line @typescript-eslint/no-unused-vars */
-function doGet(_e: GoogleAppsScript.Events.AppsScriptHttpRequestEvent): GoogleAppsScript.Content.TextOutput {
-  const results = CacheService.getUserCache()!.get('Test Results') || cacheResults_();
+function doGet(evt: GoogleAppsScript.Events.AppsScriptHttpRequestEvent): GoogleAppsScript.Content.TextOutput {
+  // Sending /exec?nocache when calling to ignore the cache check
+  const useCache = evt.queryString !== 'nocache';
+  const results = (useCache && CacheService.getUserCache()!.get('Test Results')) || cacheResults_(useCache);
   return ContentService.createTextOutput(results);
 }