Joseph Doherty
4ae3ed3fdd
The Topology page has loaded lazily (bounded instance pages behind 'Load
instances' loaders) since 9ee402bb (2026-09-09); TopologyAreaTests was
updated then but DeploymentActionTests still relied on one Expand-all click
revealing instance rows, so all four facts timed out locating the row. Move
OpenStableTopologyAsync into TopologyPageHelper and use it from both.
55 lines
3.1 KiB
C#
55 lines
3.1 KiB
C#
using Microsoft.Playwright;
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namespace ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests.Deployment;
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/// <summary>
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/// Shared Topology-page navigation for the Playwright suites. The page loads lazily
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/// (bounded instance pages per branch, behind explicit "Load instances" loaders), so
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/// any test that addresses an area or instance row must first expand and load every
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/// branch.
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/// </summary>
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internal static class TopologyPageHelper
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{
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/// <summary>
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/// Navigates to the Topology page and returns a page whose tree is stable and
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/// fully expanded: it unchecks the <c>#live-updates</c> switch (stopping the 15s
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/// timer that would otherwise reload the tree and collapse expansions / tear down
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/// open dialogs and rename inputs), then clicks <c>Expand all areas</c> so nested
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/// area nodes are rendered and locatable.
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/// </summary>
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/// <param name="pw">The Playwright fixture used to open an authenticated page.</param>
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/// <returns>The authenticated page showing the fully-loaded Topology tree.</returns>
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public static async Task<IPage> OpenStableTopologyAsync(PlaywrightFixture pw) =>
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await OpenStableTopologyAsync(await pw.NewAuthenticatedPageAsync());
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/// <summary>Navigates an existing authenticated <paramref name="page"/> to the fully-loaded Topology tree.</summary>
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/// <param name="page">An authenticated page.</param>
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/// <returns>The same page, showing the fully-loaded Topology tree.</returns>
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public static async Task<IPage> OpenStableTopologyAsync(IPage page)
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{
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await page.GotoAsync($"{PlaywrightFixture.BaseUrl}/deployment/topology");
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await page.WaitForLoadStateAsync(LoadState.NetworkIdle);
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var live = page.Locator("#live-updates");
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if (await live.IsCheckedAsync()) await live.UncheckAsync(); // stop the 15s tree reload
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// Lazy topology loads a bounded first page per branch. These small authoring
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// fixtures need their sites/areas loaded before addressing labels or instances.
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// "Expand all" re-renders over the SignalR circuit, so the click returns before the
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// newly-expanded branches (and their "Load instances" loaders) exist. Wait until no
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// collapsed branch remains before counting loaders — counting immediately raced the
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// render and returned an unexpanded tree whenever the round-trip lost.
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var collapsed = page.Locator("li[role='treeitem'][aria-expanded='false']");
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for (var branch = 0; branch < 300; branch++)
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{
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await page.Locator("button[aria-label='Expand all areas']").ClickAsync();
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await Assertions.Expect(collapsed).ToHaveCountAsync(0);
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var load = page.GetByRole(AriaRole.Button, new() { Name = "Load instances", Exact = true });
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if (await load.CountAsync() == 0) return page;
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var pages = page.GetByText("Page 1", new() { Exact = true });
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var count = await pages.CountAsync();
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await load.First.ClickAsync();
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await Assertions.Expect(pages).ToHaveCountAsync(count + 1);
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}
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throw new InvalidOperationException("Topology fixture exceeded 300 branches.");
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}
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}
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