4386 - In time conductor history, show them on hover if only milliseconds have changed - tooltip (#5783)

* 4386 - In time conductor history, show them on hover if only milliseconds have changed

* [e2e] Add quick test

Co-authored-by: Jamie V <jamie.j.vigliotta@nasa.gov>
Co-authored-by: Jesse Mazzella <ozyx@users.noreply.github.com>
Co-authored-by: Jesse Mazzella <jesse.d.mazzella@nasa.gov>

1 files changed, 20 insertions, 0 deletions

diff --git a/e2e/tests/functional/plugins/timeConductor/timeConductor.e2e.spec.js b/e2e/tests/functional/plugins/timeConductor/timeConductor.e2e.spec.js
index ea50e8530..645c4fc91 100644
--- a/e2e/tests/functional/plugins/timeConductor/timeConductor.e2e.spec.js
+++ b/e2e/tests/functional/plugins/timeConductor/timeConductor.e2e.spec.js
@@ -168,3 +168,23 @@ test.describe('Time conductor input fields real-time mode', () => {
         // select an option and verify the offsets are updated correctly
     });
 });
+
+test.describe('Time Conductor History', () => {
+    test("shows milliseconds on hover @unstable", async ({ page }) => {
+        test.info().annotations.push({
+            type: 'issue',
+            description: 'https://github.com/nasa/openmct/issues/4386'
+        });
+        // Navigate to Open MCT in Fixed Time Mode, UTC Time System
+        // with startBound at 2022-01-01 00:00:00.000Z
+        // and endBound at 2022-01-01 00:00:00.200Z
+        await page.goto('./#/browse/mine?view=grid&tc.mode=fixed&tc.startBound=1640995200000&tc.endBound=1640995200200&tc.timeSystem=utc&hideInspector=true', { waitUntil: 'networkidle' });
+        await page.locator("[aria-label='Time Conductor History']").hover({ trial: true});
+        await page.locator("[aria-label='Time Conductor History']").click();
+
+        // Validate history item format
+        const historyItem = page.locator('text="2022-01-01 00:00:00 + 200ms"');
+        await expect(historyItem).toBeEnabled();
+        await expect(historyItem).toHaveAttribute('title', '2022-01-01 00:00:00.000 - 2022-01-01 00:00:00.200');
+    });
+});