AG-1409 fix sort bug when switching categories

src/app/features/genes/components/gene-comparison-tool/gene-comparison-tool.component.ts

@@ -360,6 +360,7 @@ export class GeneComparisonToolComponent implements OnInit, AVI, OnDestroy {
 
     if (!this.sortField || !this.columns.includes(this.sortField)) {
       this.sortField = this.columns[0];
+      this.sortOrder = -1;
     }
 
     const preSelection = this.helperService.getGCTSelection();

tests/gene-comparison-tool.spec.ts

@@ -27,4 +27,41 @@ test.describe('specific viewport block', () => {
     const dropdown = page.locator('#subCategory');
     await expect(dropdown).toHaveText('Targeted Selected Reaction Monitoring (SRM)');
   });
+
+  test('switching from RNA to Protein with RNA-specific column ordering reverts back to Risk Score descending', async ({ page }) => {
+    // set category for Protein - Differential Expression
+    await page.goto('/genes/comparison?sortField=FP&sortOrder=1');
+
+    // wait for page to load (i.e. spinner to disappear)
+    await expect(page.locator('div:nth-child(4) > div > .spinner'))
+      .not.toBeVisible({ timeout: 150000});
+
+    // Gene Comparison Overview tutorial modal
+    const tutorialModal = page.getByText('Gene Comparison Overview');
+    await expect(tutorialModal).toBeVisible({ timeout: 10000});
+
+    // close the Gene Comparison Overview tutorial modal
+    const closeButton = page.locator('.p-dialog-header-close-icon');
+    await closeButton.click();
+
+    // Gene Comparison Overview tutorial modal
+    await expect(tutorialModal).not.toBeVisible({ timeout: 10000});
+
+    // sort by FP ascending
+    const FPColumn = page.getByText('FP');
+    // first click sorts descending
+    await FPColumn.click();
+    // second click sorts ascending
+    await FPColumn.click();
+
+    // expect url to be correct
+    expect(page.url()).toBe('http://localhost:8080/genes/comparison?sortField=FP&sortOrder=1');
+
+    // change category to Protein
+    await page.locator('p-dropdown').filter({ hasText: 'RNA - Differential Expression' }).getByLabel('dropdown trigger').click();
+    await page.getByText('Protein - Differential Expression').click();
+
+    // expect url to be correct
+    expect(page.url()).toBe('http://localhost:8080/genes/comparison?category=Protein+-+Differential+Expression');
+  });
 });