[Discover] Hide time picker when an indexpattern without timefield is…

… selected (elastic#62134) (elastic#63107)

* Assign valid value whether the timepicker should be displayed

* Add functional tests

src/legacy/core_plugins/kibana/public/discover/np_ready/angular/discover.html

@@ -11,7 +11,7 @@ <h1 class="euiScreenReaderOnly">{{screenTitle}}</h1>
     query="state.query"
     saved-query-id="state.savedQuery"
     screen-title="screenTitle"
-    show-date-picker="enableTimeRangeSelector"
+    show-date-picker="indexPattern.isTimeBased()"
     show-save-query="showSaveQuery"
     show-search-bar="true"
     use-default-behaviors="true"

test/functional/apps/discover/_indexpattern_without_timefield.ts

@@ -0,0 +1,52 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import expect from '@kbn/expect';
+import { FtrProviderContext } from '../../ftr_provider_context';
+
+export default function({ getService, getPageObjects }: FtrProviderContext) {
+  const esArchiver = getService('esArchiver');
+  const PageObjects = getPageObjects(['common', 'timePicker', 'discover']);
+
+  describe('indexpattern without timefield', function() {
+    before(async function() {
+      await esArchiver.loadIfNeeded('index_pattern_without_timefield');
+    });
+
+    beforeEach(async function() {
+      await PageObjects.common.navigateToApp('discover');
+      await PageObjects.discover.selectIndexPattern('without-timefield');
+    });
+
+    after(async function unloadMakelogs() {
+      await esArchiver.unload('index_pattern_without_timefield');
+    });
+
+    it('should not display a timepicker', async function() {
+      const timepickerExists = await PageObjects.timePicker.timePickerExists();
+      expect(timepickerExists).to.be(false);
+    });
+
+    it('should display a timepicker after switching to an index pattern with timefield', async function() {
+      expect(await PageObjects.timePicker.timePickerExists()).to.be(false);
+      await PageObjects.discover.selectIndexPattern('with-timefield');
+      expect(await PageObjects.timePicker.timePickerExists()).to.be(true);
+    });
+  });
+}

test/functional/apps/discover/index.js

@@ -47,5 +47,6 @@ export default function({ getService, loadTestFile }) {
     loadTestFile(require.resolve('./_doc_navigation'));
     loadTestFile(require.resolve('./_date_nanos'));
     loadTestFile(require.resolve('./_date_nanos_mixed'));
+    loadTestFile(require.resolve('./_indexpattern_without_timefield'));
   });
 }

test/functional/fixtures/es_archiver/index_pattern_without_timefield/mappings.json

@@ -0,0 +1,39 @@
+{
+  "type": "index",
+  "value": {
+    "index": "without-timefield",
+    "mappings": {
+      "properties": {
+        "@timestamp": {
+          "type": "date"
+        }
+      }
+    },
+    "settings": {
+      "index": {
+        "number_of_replicas": "0",
+        "number_of_shards": "1"
+      }
+    }
+  }
+}
+
+{
+  "type": "index",
+  "value": {
+    "index": "with-timefield",
+    "mappings": {
+      "properties": {
+        "@timestamp": {
+          "type": "date"
+        }
+      }
+    },
+    "settings": {
+      "index": {
+        "number_of_replicas": "0",
+        "number_of_shards": "1"
+      }
+    }
+  }
+}