From 62889ccc9dfa7d6f632ade003671e041ae302ce8 Mon Sep 17 00:00:00 2001
From: Joe Reuter <johannes.reuter@elastic.co>
Date: Thu, 29 Oct 2020 12:12:06 +0100
Subject: [PATCH] add tests for index pattern switching

---
 .../apps/lens/persistent_context.ts           |   7 ++++
 .../test/functional/apps/lens/smokescreen.ts  |   6 +++
 .../es_archives/lens/basic/data.json.gz       | Bin 4623 -> 4844 bytes
 .../test/functional/page_objects/lens_page.ts |  38 ++++++++++++++++++
 4 files changed, 51 insertions(+)

diff --git a/x-pack/test/functional/apps/lens/persistent_context.ts b/x-pack/test/functional/apps/lens/persistent_context.ts
index 8d536aac3f795..a115b720f6f2c 100644
--- a/x-pack/test/functional/apps/lens/persistent_context.ts
+++ b/x-pack/test/functional/apps/lens/persistent_context.ts
@@ -67,6 +67,13 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       await filterBar.hasFilter('ip', '97.220.3.248', false, true);
     });
 
+    it('keeps selected index pattern after refresh', async () => {
+      await PageObjects.lens.switchDataPanelIndexPattern('otherpattern');
+      await browser.refresh();
+      await PageObjects.header.waitUntilLoadingHasFinished();
+      expect(await PageObjects.lens.getDataPanelIndexPattern()).to.equal('otherpattern');
+    });
+
     it('keeps time range and pinned filters after refreshing directly after saving', async () => {
       // restore defaults so visualization becomes saveable
       await security.testUser.restoreDefaults();
diff --git a/x-pack/test/functional/apps/lens/smokescreen.ts b/x-pack/test/functional/apps/lens/smokescreen.ts
index 6c4fa94a259e9..0ddafe581c21d 100644
--- a/x-pack/test/functional/apps/lens/smokescreen.ts
+++ b/x-pack/test/functional/apps/lens/smokescreen.ts
@@ -308,5 +308,11 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       expect(await PageObjects.lens.getDatatableHeaderText(1)).to.eql('Average of bytes');
       expect(await PageObjects.lens.getDatatableCellText(0, 1)).to.eql('6,011.351');
     });
+
+    it('should allow to change index pattern', async () => {
+      await PageObjects.lens.switchFirstLayerIndexPattern('otherpattern');
+      expect(await PageObjects.lens.getFirstLayerIndexPattern()).to.equal('otherpattern');
+      expect(await PageObjects.lens.isShowingNoResults()).to.equal(true);
+    });
   });
 }
diff --git a/x-pack/test/functional/es_archives/lens/basic/data.json.gz b/x-pack/test/functional/es_archives/lens/basic/data.json.gz
index ddf4a27289dffdaf1c605b0db01cfa9554a2b209..c9ae08fe6f6281d8f1e6066738dab36afd700f93 100644
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F0043D^#K3?

diff --git a/x-pack/test/functional/page_objects/lens_page.ts b/x-pack/test/functional/page_objects/lens_page.ts
index f8ecacbc1141d..05818ae3bbf66 100644
--- a/x-pack/test/functional/page_objects/lens_page.ts
+++ b/x-pack/test/functional/page_objects/lens_page.ts
@@ -293,6 +293,38 @@ export function LensPageProvider({ getService, getPageObjects }: FtrProviderCont
       await testSubjects.click('lnsLayerAddButton');
     },
 
+    /**
+     * Changes the index pattern in the data panel
+     */
+    async switchDataPanelIndexPattern(name: string) {
+      await testSubjects.click('indexPattern-switch-link');
+      await find.clickByCssSelector(`[title="${name}"]`);
+      await PageObjects.header.waitUntilLoadingHasFinished();
+    },
+
+    /**
+     * Changes the index pattern for the first layer
+     */
+    async switchFirstLayerIndexPattern(name: string) {
+      await testSubjects.click('lns_layerIndexPatternLabel');
+      await find.clickByCssSelector(`[title="${name}"]`);
+      await PageObjects.header.waitUntilLoadingHasFinished();
+    },
+
+    /**
+     * Returns the current index pattern of the data panel
+     */
+    async getDataPanelIndexPattern() {
+      return await (await testSubjects.find('indexPattern-switch-link')).getAttribute('title');
+    },
+
+    /**
+     * Returns the current index pattern of the first layer
+     */
+    async getFirstLayerIndexPattern() {
+      return await (await testSubjects.find('lns_layerIndexPatternLabel')).getAttribute('title');
+    },
+
     async linkedToOriginatingApp() {
       await PageObjects.header.waitUntilLoadingHasFinished();
       await testSubjects.existOrFail('lnsApp_saveAndReturnButton');
@@ -316,6 +348,12 @@ export function LensPageProvider({ getService, getPageObjects }: FtrProviderCont
       return await trigger.getVisibleText();
     },
 
+    async isShowingNoResults() {
+      return (
+        (await (await testSubjects.find('lnsWorkspace')).getVisibleText()) === 'No results found'
+      );
+    },
+
     /**
      * Gets text of the specified datatable header cell
      *