Initial Commit

Library/PackageCache/com.unity.ugui@1.0.0/Tests/Runtime/Dropdown/DropdownTests.cs

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+using System.Collections;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using System.IO;
+using UnityEditor;
+using System.Collections.Generic;
+
+public class DropdownTests : IPrebuildSetup
+{
+    GameObject m_PrefabRoot;
+    GameObject m_CameraGO;
+
+    const string kPrefabPath = "Assets/Resources/DropdownPrefab.prefab";
+
+    public void Setup()
+    {
+#if UNITY_EDITOR
+        var rootGO = new GameObject("rootGo");
+        var canvasGO = new GameObject("Canvas", typeof(Canvas));
+        var canvas = canvasGO.GetComponent<Canvas>();
+        canvas.renderMode = RenderMode.WorldSpace;
+        canvasGO.transform.SetParent(rootGO.transform);
+
+        var dropdownGO = new GameObject("Dropdown", typeof(RectTransform), typeof(Dropdown));
+        var dropdownTransform = dropdownGO.GetComponent<RectTransform>();
+        dropdownTransform.SetParent(canvas.transform);
+        dropdownTransform.anchoredPosition = Vector2.zero;
+        var dropdown = dropdownGO.GetComponent<Dropdown>();
+
+        var templateGO = new GameObject("Template", typeof(RectTransform));
+        templateGO.SetActive(false);
+        var templateTransform = templateGO.GetComponent<RectTransform>();
+        templateTransform.SetParent(dropdownTransform);
+
+        var itemGo = new GameObject("Item", typeof(RectTransform), typeof(Toggle));
+        itemGo.transform.SetParent(templateTransform);
+
+        dropdown.template = templateTransform;
+
+        if (!Directory.Exists("Assets/Resources/"))
+            Directory.CreateDirectory("Assets/Resources/");
+
+        PrefabUtility.SaveAsPrefabAsset(rootGO, kPrefabPath);
+        GameObject.DestroyImmediate(rootGO);
+#endif
+    }
+
+    [SetUp]
+    public void TestSetup()
+    {
+        m_PrefabRoot = Object.Instantiate(Resources.Load("DropdownPrefab")) as GameObject;
+        m_CameraGO = new GameObject("Camera", typeof(Camera));
+#if UNITY_EDITOR
+        // add a custom sorting layer before test. It doesn't seem to be serialized so no need to remove it after test
+        SerializedObject tagManager = new SerializedObject(AssetDatabase.LoadAllAssetsAtPath("ProjectSettings/TagManager.asset")[0]);
+        SerializedProperty sortingLayers = tagManager.FindProperty("m_SortingLayers");
+        sortingLayers.InsertArrayElementAtIndex(sortingLayers.arraySize);
+        var arrayElement = sortingLayers.GetArrayElementAtIndex(sortingLayers.arraySize - 1);
+        foreach (SerializedProperty a in arrayElement)
+        {
+            switch (a.name)
+            {
+                case "name":
+                    a.stringValue = "test layer";
+                    break;
+                case "uniqueID":
+                    a.intValue = 314159265;
+                    break;
+                case "locked":
+                    a.boolValue = false;
+                    break;
+            }
+        }
+        tagManager.ApplyModifiedProperties();
+#endif
+    }
+
+    // test for case 958281 - [UI] Dropdown list does not copy the parent canvas layer when the panel is opened
+    [UnityTest]
+    public IEnumerator Dropdown_Canvas()
+    {
+        var dropdown = m_PrefabRoot.GetComponentInChildren<Dropdown>();
+        var rootCanvas = m_PrefabRoot.GetComponentInChildren<Canvas>();
+        dropdown.Show();
+        yield return null;
+        var dropdownList = dropdown.transform.Find("Dropdown List");
+        var dropdownListCanvas = dropdownList.GetComponentInChildren<Canvas>();
+        Assert.AreEqual(rootCanvas.sortingLayerID, dropdownListCanvas.sortingLayerID);
+        dropdown.Hide();
+        yield return new WaitForSeconds(1f); // hide is not instantaneous
+        rootCanvas.sortingLayerName = "test layer";
+        dropdown.Show();
+        yield return null;
+        dropdownList = dropdown.transform.Find("Dropdown List");
+        dropdownListCanvas = dropdownList.GetComponentInChildren<Canvas>();
+        Assert.AreEqual(rootCanvas.sortingLayerID, dropdownListCanvas.sortingLayerID);
+    }
+
+    // test for case 935649 - open dropdown menus become unresponsive when disabled and reenabled
+    [UnityTest]
+    public IEnumerator Dropdown_Disable()
+    {
+        var dropdown = m_PrefabRoot.GetComponentInChildren<Dropdown>();
+        dropdown.Show();
+        dropdown.gameObject.SetActive(false);
+        yield return null;
+        var dropdownList = dropdown.transform.Find("Dropdown List");
+        Assert.IsNull(dropdownList);
+    }
+
+    [UnityTest]
+    public IEnumerator Dropdown_ResetAndClear()
+    {
+        var options = new List<string> { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" };
+        var dropdown = m_PrefabRoot.GetComponentInChildren<Dropdown>();
+
+        // generate a first dropdown
+        dropdown.ClearOptions();
+        dropdown.AddOptions(options);
+        dropdown.value = 3;
+        yield return null;
+
+
+        // clear it and generate a new one
+        dropdown.ClearOptions();
+        yield return null;
+
+        // check is the value is 0
+        Assert.IsTrue(dropdown.value == 0);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        Object.DestroyImmediate(m_PrefabRoot);
+        GameObject.DestroyImmediate(m_CameraGO);
+    }
+
+    [OneTimeTearDown]
+    public void OneTimeTearDown()
+    {
+#if UNITY_EDITOR
+        AssetDatabase.DeleteAsset(kPrefabPath);
+#endif
+    }
+}