Add test and add string template in strings.xml for RTL purposes

Change-Id: I1bce9ac7534f376a9626cac2c50e1bcc7620cf61

core/model/src/main/java/com/google/samples/apps/nowinandroid/core/model/data/NewsResource.kt

@@ -17,6 +17,7 @@
 package com.google.samples.apps.nowinandroid.core.model.data
 
 import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Codelab
+import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Unknown
 import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Video
 import kotlinx.datetime.Instant
 import kotlinx.datetime.LocalDateTime
@@ -83,5 +84,16 @@ val previewNewsResources = listOf(
         publishDate = Instant.parse("2021-11-01T00:00:00.000Z"),
         type = Video,
         topics = listOf(previewTopics[2])
+    ),
+    NewsResource(
+        id = "4",
+        title = "New Jetpack Release",
+        content = "New Jetpack release includes updates to libraries such as CameraX, Benchmark, and" +
+            "more!",
+        url = "https://developer.android.com/jetpack/androidx/versions/all-channel",
+        headerImageUrl = "",
+        publishDate = Instant.parse("2022-10-01T00:00:00.000Z"),
+        type = Unknown,
+        topics = listOf(previewTopics[2])
     )
 )

core/ui/build.gradle.kts

@@ -20,6 +20,9 @@ plugins {
 }
 
 android {
+    defaultConfig {
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+    }
     namespace = "com.google.samples.apps.nowinandroid.core.ui"
 }
 
@@ -44,4 +47,7 @@ dependencies {
     api(libs.androidx.compose.runtime.livedata)
     api(libs.androidx.metrics)
     api(libs.androidx.tracing.ktx)
-}
+
+    testImplementation(project(":core:testing"))
+    androidTestImplementation(project(":core:testing"))
+}

core/ui/src/main/java/com/google/samples/apps/nowinandroid/core/ui/NewsResourceCard.kt

@@ -176,7 +176,7 @@ fun BookmarkButton(
 }
 
 @Composable
-private fun dateFormatted(publishDate: Instant): String {
+fun dateFormatted(publishDate: Instant): String {
     var zoneId by remember { mutableStateOf(ZoneId.systemDefault()) }
 
     val context = LocalContext.current
@@ -199,19 +199,16 @@ private fun dateFormatted(publishDate: Instant): String {
 fun NewsResourceDateAndType(
     publishDate: Instant,
     resourceType: NewsResourceType
-
 ) {
-    val date = dateFormatted(publishDate)
-
-    if (resourceType != NewsResourceType.Unknown) {
-        Text(
-            "$date • ${resourceType.displayText}", style = MaterialTheme.typography.labelSmall
-        )
-    } else {
-        Text(
-            date, style = MaterialTheme.typography.labelSmall
-        )
-    }
+    val formattedDate = dateFormatted(publishDate)
+    Text(
+        if (resourceType != NewsResourceType.Unknown) {
+            stringResource(R.string.card_meta_data_text, formattedDate, resourceType.displayText)
+        } else {
+            formattedDate
+        },
+        style = MaterialTheme.typography.labelSmall
+    )
 }
 
 @Composable

core/ui/src/main/res/values/strings.xml

@@ -20,4 +20,5 @@
     <string name="back">Back</string>
 
     <string name="card_tap_action">Open Resource Link</string>
+    <string name="card_meta_data_text">%1$s • %2$s</string>
 </resources>

core/ui/src/test/java/com/google/samples/apps/nowinandroid/core/ui/NewsResourceCardTest.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2022 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
+ *
+ *     https://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.google.samples.apps.nowinandroid.core.ui
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import com.google.samples.apps.nowinandroid.core.model.data.previewNewsResources
+import org.junit.Rule
+import org.junit.Test
+
+class NewsResourceCardTest {
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun testMetaDataDisplay() {
+        // Resource with known resource type
+        val newsResource = previewNewsResources[0]
+        var dateFormatted = ""
+
+        composeTestRule.setContent {
+            NewsResourceCardExpanded(
+                newsResource = newsResource,
+                isBookmarked = false,
+                onToggleBookmark = {},
+                onClick = {}
+            )
+
+            dateFormatted = dateFormatted(publishDate = newsResource.publishDate)
+        }
+
+        composeTestRule
+            .onNodeWithText(dateFormatted + " • " + newsResource.type.displayText)
+            .assertIsDisplayed()
+
+        // Resource with Unknown resource type
+        val newsResource2 = previewNewsResources[4]
+
+        composeTestRule.setContent {
+            NewsResourceCardExpanded(
+                newsResource = newsResource2,
+                isBookmarked = false,
+                onToggleBookmark = {},
+                onClick = {}
+            )
+
+            dateFormatted = dateFormatted(publishDate = newsResource.publishDate)
+        }
+
+        composeTestRule
+            .onNodeWithText(dateFormatted)
+            .assertIsDisplayed()
+    }
+}