diff --git a/core/model/build.gradle.kts b/core/model/build.gradle.kts
index edfcc4596..1c27e83d3 100644
--- a/core/model/build.gradle.kts
+++ b/core/model/build.gradle.kts
@@ -17,8 +17,10 @@
 @Suppress("DSL_SCOPE_VIOLATION")
 plugins {
     id("kotlin")
+    `java-test-fixtures`
 }
 
 dependencies {
     implementation(libs.kotlinx.datetime)
+    testFixturesImplementation(libs.kotlinx.datetime)
 }
\ No newline at end of file
diff --git a/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/AuthorFixtures.kt b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/AuthorFixtures.kt
new file mode 100644
index 000000000..8a9bd80e1
--- /dev/null
+++ b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/AuthorFixtures.kt
@@ -0,0 +1,35 @@
+/*
+ * 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.model.data
+
+import kotlin.random.Random
+
+fun Random.nextFakeAuthor(
+    id: String = nextLong().toString(),
+    name: String = "Android Dev $id",
+    imageUrl: String = "https://example.org/dev-android/$id.png",
+    twitter: String = "@dev-android-$id",
+    mediumPage: String = "https://medium.com/dev-android/$id",
+    bio: String = "At vero eos et accusamus et iusto odio dignissimos ducimus qui.",
+): Author = Author(
+    id = id,
+    name = name,
+    imageUrl = imageUrl,
+    twitter = twitter,
+    mediumPage = mediumPage,
+    bio = bio,
+)
diff --git a/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/NewsResourceFixtures.kt b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/NewsResourceFixtures.kt
new file mode 100644
index 000000000..768b47fe2
--- /dev/null
+++ b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/NewsResourceFixtures.kt
@@ -0,0 +1,43 @@
+/*
+ * 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.model.data
+
+import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Unknown
+import kotlin.random.Random
+import kotlinx.datetime.Instant
+
+fun Random.nextFakeNewsResource(
+    id: String = nextLong().toString(),
+    title: String = "News resource $id",
+    content: String = "",
+    url: String = "https://example.org/news/$id",
+    headerImageUrl: String? = "https://example.org/news/$id.png",
+    publishDate: Instant = Instant.fromEpochMilliseconds(0),
+    type: NewsResourceType = Unknown,
+    authors: List<Author> = emptyList(),
+    topics: List<Topic> = emptyList(),
+): NewsResource = NewsResource(
+    id = id,
+    title = title,
+    content = content,
+    url = url,
+    headerImageUrl = headerImageUrl,
+    publishDate = publishDate,
+    type = type,
+    authors = authors,
+    topics = topics,
+)
diff --git a/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/TopicFixtures.kt b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/TopicFixtures.kt
new file mode 100644
index 000000000..0428a493d
--- /dev/null
+++ b/core/model/src/testFixtures/kotlin/com/google/samples/apps/nowinandroid/core/model/data/TopicFixtures.kt
@@ -0,0 +1,35 @@
+/*
+ * 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.model.data
+
+import kotlin.random.Random
+
+fun Random.nextFakeTopic(
+    id: String = nextLong().toString(),
+    name: String = "Topic $id",
+    shortDescription: String = "At vero eos et accusamus.",
+    longDescription: String = "At vero eos et accusamus et iusto odio dignissimos ducimus qui.",
+    url: String = "https://example.org/topic/$id",
+    imageUrl: String = "https://example.org/topic/$id.png"
+): Topic = Topic(
+    id = id,
+    name = name,
+    shortDescription = shortDescription,
+    longDescription = longDescription,
+    url = url,
+    imageUrl = imageUrl,
+)