101 lines
4.1 KiB
C#
101 lines
4.1 KiB
C#
#if UNITY_6000_0_OR_NEWER
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using System.Collections;
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using NUnit.Framework;
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using UnityEngine;
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using UnityEngine.TestTools;
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using UnityEngine.UIElements;
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namespace UnityEditor.Searcher.Tests
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{
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// Regression coverage for UUM-146469.
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//
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// Unity PR #76495 ("white-space-standard") changed text handling so labels
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// collapse whitespace at label boundaries. SearcherHighlighter splits an item
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// name across multiple sibling Labels (one per highlighted/non-highlighted
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// run), so the space between runs lives at the start of a sibling Label — and
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// is stripped unless the label uses white-space: pre.
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//
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// Fix (Editor/Resources/Searcher.uss): white-space: pre on the labels-container
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// labels. Same shape as unity PR #83337's fix for the VFX filter window.
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public class SearcherLabelStyleTests
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{
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EditorWindow m_Window;
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[SetUp]
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public void SetUp()
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{
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m_Window = ScriptableObject.CreateInstance<EditorWindow>();
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m_Window.ShowUtility();
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}
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[TearDown]
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public void TearDown()
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{
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if (m_Window != null)
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m_Window.Close();
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}
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[UnityTest]
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public IEnumerator LabelInLabelsContainer_ResolvesToWhiteSpacePre_FromSearcherStylesheet()
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{
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// Cloning SearcherItem.uxml pulls in Searcher.uss via <Style path="Searcher"/>.
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var itemTemplate = Resources.Load<VisualTreeAsset>("SearcherItem");
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Assume.That(itemTemplate, Is.Not.Null, "SearcherItem.uxml must be loadable from Resources.");
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// The USS selector requires the item to sit inside a .unity-list-view element.
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var listView = new VisualElement();
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listView.AddToClassList("unity-list-view");
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var itemRow = new VisualElement();
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listView.Add(itemRow);
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var item = itemTemplate.CloneTree();
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itemRow.Add(item);
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m_Window.rootVisualElement.Add(listView);
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var labelsContainer = item.Q<VisualElement>("labelsContainer");
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Assume.That(labelsContainer, Is.Not.Null, "SearcherItem.uxml must contain #labelsContainer.");
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// No inline whiteSpace style — the resolved value must come from the stylesheet.
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var label = new Label(" world");
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labelsContainer.Add(label);
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// Let the panel resolve styles and lay out.
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yield return null;
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yield return null;
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Assert.AreEqual(WhiteSpace.Pre, label.resolvedStyle.whiteSpace,
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"Searcher.uss must apply white-space: pre to labels in #labelsContainer so "
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+ "boundary spaces on split highlight labels are preserved (UUM-146469).");
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}
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[UnityTest]
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public IEnumerator SearcherAdapterBind_TrailingSplitLabel_ResolvesToWhiteSpacePre()
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{
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// Exercise the full bind path so the highlighter fills #labelsContainer the way
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// it does in production. With "hello world" and query "hello", the highlighter
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// produces "hello" (highlighted, gets inline WhiteSpace.Pre) followed by " world"
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// (trailing fallback branch — no inline style, relies on the USS).
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var listView = new VisualElement();
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listView.AddToClassList("unity-list-view");
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var itemRow = new VisualElement();
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listView.Add(itemRow);
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m_Window.rootVisualElement.Add(listView);
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var adapter = new SearcherAdapter("Test");
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var element = adapter.MakeItem();
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itemRow.Add(element);
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adapter.Bind(element, new SearcherItem("hello world"), ItemExpanderState.Hidden, "hello");
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var labelsContainer = element.Q<VisualElement>("labelsContainer");
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Assume.That(labelsContainer, Is.Not.Null);
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yield return null;
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yield return null;
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var labels = labelsContainer.Query<Label>().ToList();
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Assume.That(labels.Count, Is.GreaterThanOrEqualTo(2),
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"SearcherHighlighter should split 'hello world' matching 'hello' into multiple labels.");
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}
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}
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}
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#endif
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