Add selenium test for history Related filter

client/src/components/History/Content/Dataset/DatasetActions.vue

@@ -54,7 +54,7 @@
                 </b-button>
                 <b-button
                     v-if="showHighlight"
-                    class="px-1"
+                    class="highlight-btn px-1"
                     title="Show Inputs for this item"
                     size="sm"
                     variant="link"

client/src/utils/navigation/navigation.yml

@@ -200,6 +200,7 @@ history_panel:
       # Action buttons...
       download_button: '${_} .download-btn'
       info_button: '${_} .params-btn'
+      highlight_button: '${_} .highlight-btn'
       alltags: '${_} .stateless-tags .tag'
       metadata_file_download: '${_} [data-description="download ${metadata_name}"]'
 

lib/galaxy_test/selenium/test_history_related_filter.py

@@ -0,0 +1,39 @@
+from .framework import (
+    selenium_test,
+    SeleniumTestCase,
+)
+
+PASTED_CONTENT = "this is pasted"
+CURRENT_HID = 1
+RELATED_HID = 2
+UNRELATED_HID = 3
+
+
+class TestHistoryRelatedFilter(SeleniumTestCase):
+    @selenium_test
+    def test_history_related_filter(self):
+        self.register()
+        # upload (current) dataset to get related item for
+        self.perform_upload_of_pasted_content(PASTED_CONTENT)
+        self.history_panel_wait_for_hid_ok(CURRENT_HID)
+        # create related item through a tool
+        self.tool_open("cat")
+        self.tool_form_execute()
+        self.history_panel_wait_for_hid_ok(RELATED_HID)
+        # create an item unrelated to other items
+        self.perform_upload_of_pasted_content(PASTED_CONTENT)
+        self.history_panel_wait_for_hid_ok(UNRELATED_HID)
+
+        # test related filter on current item using button: only current and related items show
+        current_hda = self.history_panel_click_item_title(CURRENT_HID, wait=True)
+        current_hda.highlight_button.wait_for_and_click()
+        unrelated_hda = self.history_panel_item_component(hid=UNRELATED_HID)
+        unrelated_hda.assert_absent_or_hidden()
+
+        # test related filter on unrelated item using filterText: only unrelated item shows
+        filter_element = self.history_element("filter text input").wait_for_and_click()
+        initial_value = filter_element.get_attribute("value")
+        assert initial_value == f"related:{CURRENT_HID}", initial_value
+        self.history_element("clear filters").wait_for_and_click()
+        filter_element.send_keys(f"related:{UNRELATED_HID}")
+        current_hda.assert_absent_or_hidden()