Merge pull request #3 from adrdilauro/feature/export-test-service-to-…

…read-chosen-version

Export test service, in order to be able to read the chosen version

public_api.ts

@@ -1 +1,2 @@
 export { AbTestsModule, AbTestOptions } from './src/app/modules/angular-ab-tests/module';
+export { AbTestsService } from './src/app/modules/angular-ab-tests/service';

src/app/app.component.ts

@@ -1,4 +1,5 @@
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
+import { AbTestsService } from './modules/angular-ab-tests/service';
 
 @Component({
   selector: 'app-root',
@@ -18,14 +19,20 @@ import { Component } from '@angular/core';
     </a>
   `
 })
-export class AppComponent {
+export class AppComponent implements OnInit {
   public values = ['John Lennon', 'Ringo Starr', 'Paul McCartney', 'George Harrison'];
   public randomizedIndex: number = this.getRandomIndex();
 
+  constructor(private abTestsService: AbTestsService) {}
+
   randomizeValue() {
     this.randomizedIndex = this.getRandomIndex();
   }
 
+  ngOnInit() {
+    console.log(this.abTestsService.getVersion());
+  }
+
   private getRandomIndex() {
     return Math.floor(Math.random() * 100) % 4;
   }

src/app/modules/angular-ab-tests/classes.ts

@@ -9,6 +9,10 @@ export class AbTestForRealUser {
     this._chosenVersion = chosenVersion;
   }
 
+  getVersion(): string {
+    return this._chosenVersion;
+  }
+
   shouldRender(versions: string[], forCrawlers: boolean): boolean {
     for (let version of versions) {
       if (this._versions.indexOf(version) === -1) {
@@ -28,6 +32,10 @@ export class AbTestForCrawler {
     }
   }
 
+  getVersion(): string {
+    return '';
+  }
+
   shouldRender(versions: string[], forCrawlers: boolean): boolean {
     return forCrawlers || (!!this._version && versions.indexOf(this._version) !== -1);
   }

src/app/modules/angular-ab-tests/service.ts

@@ -38,6 +38,14 @@ export class AbTestsService {
     }
   }
 
+  getVersion(scope?: string): string {
+    let scopeOrDefault = scope || this._defaultScope;
+    if (!this._tests[scopeOrDefault]) {
+      error('Test with scope <' + scopeOrDefault + '> has not been defined');
+    }
+    return this._tests[scopeOrDefault].getVersion();
+  }
+
   shouldRender(versions: string[], scope: string, forCrawlers: boolean): boolean {
     let scopeOrDefault = scope || this._defaultScope;
     if (!this._tests[scopeOrDefault]) {