Add test for DeeplinkParser

libraries/deeplink/build.gradle.kts

@@ -37,5 +37,7 @@ dependencies {
 
     testImplementation(libs.test.junit)
     testImplementation(libs.test.truth)
+    testImplementation(libs.test.robolectric)
     testImplementation(projects.libraries.matrix.test)
+    testImplementation(projects.tests.testutils)
 }

libraries/deeplink/src/test/kotlin/io/element/android/libraries/deeplink/DeeplinkParserTest.kt

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * 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 io.element.android.libraries.deeplink
+
+import android.content.Intent
+import androidx.core.net.toUri
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.matrix.test.A_ROOM_ID
+import io.element.android.libraries.matrix.test.A_SESSION_ID
+import io.element.android.libraries.matrix.test.A_THREAD_ID
+import io.element.android.tests.testutils.assertNullOrThrow
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+@RunWith(RobolectricTestRunner::class)
+class DeeplinkParserTest {
+    companion object {
+        const val A_URI =
+            "elementx://open/@alice:server.org"
+        const val A_URI_WITH_ROOM =
+            "elementx://open/@alice:server.org/!aRoomId:domain"
+        const val A_URI_WITH_ROOM_WITH_THREAD =
+            "elementx://open/@alice:server.org/!aRoomId:domain/\$aThreadId"
+    }
+
+    private val sut = DeeplinkParser()
+
+    @Test
+    fun `nominal cases`() {
+        assertThat(sut.getFromIntent(createIntent(A_URI)))
+            .isEqualTo(DeeplinkData(A_SESSION_ID, null, null))
+        assertThat(sut.getFromIntent(createIntent(A_URI_WITH_ROOM)))
+            .isEqualTo(DeeplinkData(A_SESSION_ID, A_ROOM_ID, null))
+        assertThat(sut.getFromIntent(createIntent(A_URI_WITH_ROOM_WITH_THREAD)))
+            .isEqualTo(DeeplinkData(A_SESSION_ID, A_ROOM_ID, A_THREAD_ID))
+    }
+
+    @Test
+    fun `error cases`() {
+        val sut = DeeplinkParser()
+        // Bad scheme
+        assertThat(sut.getFromIntent(createIntent("x://open/@alice:server.org"))).isNull()
+        // Bad host
+        assertThat(sut.getFromIntent(createIntent("elementx://close/@alice:server.org"))).isNull()
+        // No session Id
+        assertThat(sut.getFromIntent(createIntent("elementx://open"))).isNull()
+        // Invalid sessionId
+        assertNullOrThrow {
+            sut.getFromIntent(createIntent("elementx://open/alice:server.org"))
+        }
+        // Empty sessionId
+        assertNullOrThrow {
+            sut.getFromIntent(createIntent("elementx://open//"))
+        }
+    }
+
+    private fun createIntent(uri: String): Intent {
+        return Intent().apply {
+            action = Intent.ACTION_VIEW
+            data = uri.toUri()
+        }
+    }
+}