From ccaaf8c3a2e491942f9f7d760ba15d5f07fb80d5 Mon Sep 17 00:00:00 2001
From: Matt Casey <mrcasey@google.com>
Date: Wed, 22 May 2024 13:52:13 +0000
Subject: Don't allow the only selected item to be unselected.

Bug: 341923156
Test: atest SelectionInteractorTest
Flag: None
Change-Id: I5a67d6ad6b628ac5fa73c70e2ca2b8c6d04724ae
---
 .../domain/interactor/SelectionInteractorTest.kt   | 67 ++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 tests/unit/src/com/android/intentresolver/contentpreview/payloadtoggle/domain/interactor/SelectionInteractorTest.kt

(limited to 'tests')

diff --git a/tests/unit/src/com/android/intentresolver/contentpreview/payloadtoggle/domain/interactor/SelectionInteractorTest.kt b/tests/unit/src/com/android/intentresolver/contentpreview/payloadtoggle/domain/interactor/SelectionInteractorTest.kt
new file mode 100644
index 00000000..a64807b7
--- /dev/null
+++ b/tests/unit/src/com/android/intentresolver/contentpreview/payloadtoggle/domain/interactor/SelectionInteractorTest.kt
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver.contentpreview.payloadtoggle.domain.interactor
+
+import android.content.Intent
+import android.net.Uri
+import com.android.intentresolver.contentpreview.payloadtoggle.data.repository.previewSelectionsRepository
+import com.android.intentresolver.contentpreview.payloadtoggle.shared.model.PreviewModel
+import com.android.intentresolver.util.runKosmosTest
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+
+class SelectionInteractorTest {
+    @Test
+    fun singleSelection_removalPrevented() = runKosmosTest {
+        val initialPreview =
+            PreviewModel(uri = Uri.fromParts("scheme", "ssp", "fragment"), mimeType = null)
+        previewSelectionsRepository.selections.value = setOf(initialPreview)
+
+        val underTest =
+            SelectionInteractor(
+                previewSelectionsRepository,
+                { Intent() },
+                updateTargetIntentInteractor
+            )
+
+        assertThat(underTest.selections.value).isEqualTo(setOf(initialPreview))
+
+        // Shouldn't do anything!
+        underTest.unselect(initialPreview)
+
+        assertThat(underTest.selections.value).isEqualTo(setOf(initialPreview))
+    }
+
+    @Test
+    fun multipleSelections_removalAllowed() = runKosmosTest {
+        val first = PreviewModel(uri = Uri.fromParts("scheme", "ssp", "fragment"), mimeType = null)
+        val second =
+            PreviewModel(uri = Uri.fromParts("scheme2", "ssp2", "fragment2"), mimeType = null)
+        previewSelectionsRepository.selections.value = setOf(first, second)
+
+        val underTest =
+            SelectionInteractor(
+                previewSelectionsRepository,
+                { Intent() },
+                updateTargetIntentInteractor
+            )
+
+        underTest.unselect(first)
+
+        assertThat(underTest.selections.value).isEqualTo(setOf(second))
+    }
+}
-- 
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