Add another test

test/nbrowser/CopyPasteLinked.ts

@@ -0,0 +1,63 @@
+/**
+ * Test for pasting into a linked GridView.
+ *
+ * In particular, when multiple rows are selected in GridView, on switching to a different linked
+ * record, the selection should be cleared, or else paste will misbehave.
+ */
+import {assert, Key, WebElement} from 'mocha-webdriver';
+import * as gu from 'test/nbrowser/gristUtils';
+import {setupTestSuite} from 'test/nbrowser/testUtils';
+
+describe('CopyPasteLinked', function() {
+  this.timeout(30000);
+  const cleanup = setupTestSuite();
+
+  it('should clear internal selection when link record changes', async function() {
+    const mainSession = await gu.session().login();
+    await mainSession.tempDoc(cleanup, 'Landlord.grist');
+    await gu.getPageItem(/Current Signers/).click();
+    await gu.waitForServer();
+
+    let cell: WebElement;
+
+    // Select a cell.
+    cell = await gu.getCell({section: 'Tenants', col: 'Tenant', rowNum: 1});
+    await cell.click();
+    assert.equal(await cell.getText(), 'John Malik');
+
+    await gu.withSafeClipboard(async (cb) => {
+      // Copy the cell's value to the clipboard.
+      await cb.copy();
+
+      // Now select multiple cells.
+      await gu.sendKeys(Key.chord(Key.SHIFT, Key.DOWN), Key.chord(Key.SHIFT, Key.DOWN));
+
+      // Check that 3 cells are indeed selected.
+      assert.deepEqual(await gu.getVisibleGridCells({col: 'Tenant', rowNums: [1, 2, 3, 4],
+        mapper: (el) => el.matches('.selected')}),
+        [true, true, true, false]);
+
+      // Switch to a different Apartments row that drives the filtering in the Tenants section.
+      await gu.getCell({section: 'Apartments', col: 0, rowNum: 2}).click();
+      cell = await gu.getCell({section: 'Tenants', col: 'Tenant', rowNum: 1});
+      await cell.click();
+      assert.equal(await cell.getText(), 'Fred Brown');
+
+      // Paste the copied value. It doesn't work reliably in a test, so try until it works. (The
+      // reasons seems to be that 'body' has focus briefly, rather than Clipboard component.)
+      await gu.waitAppFocus();
+      await cb.paste();
+    });
+    await gu.waitForServer();
+
+    // Check that only one value was copied, and that there are not multiple cells selected.
+    assert.deepEqual(await gu.getVisibleGridCells({col: 'Tenant', rowNums: [1, 2, 3, 4]}),
+      ['John Malik', 'Fred Brown', 'Susan Sharp', 'Owen Sharp']);
+    assert.deepEqual(await gu.getVisibleGridCells({col: 'Tenant', rowNums: [1, 2, 3, 4],
+      mapper: (el) => el.matches('.selected')}),
+      [false, false, false, false]);
+
+    await gu.checkForErrors();
+    await gu.undo();
+  });
+});