Move test utils to its own module

3 files changed, 71 insertions, 0 deletions

diff --git a/android/lib/common-test/build.gradle.kts b/android/lib/common-test/build.gradle.kts
new file mode 100644
index 0000000000..ca820dbadd
--- /dev/null
+++ b/android/lib/common-test/build.gradle.kts
@@ -0,0 +1,32 @@
+plugins {
+    id(Dependencies.Plugin.androidLibraryId)
+    id(Dependencies.Plugin.kotlinAndroidId)
+}
+
+android {
+    namespace = "net.mullvad.mullvadvpn.lib.common.test"
+    compileSdk = Versions.Android.compileSdkVersion
+
+    defaultConfig {
+        minSdk = Versions.Android.minSdkVersion
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions { jvmTarget = Versions.jvmTarget }
+
+    lint {
+        lintConfig = file("${rootProject.projectDir}/config/lint.xml")
+        abortOnError = true
+        warningsAsErrors = true
+    }
+}
+
+dependencies {
+    implementation(Dependencies.Kotlin.test)
+    implementation(Dependencies.KotlinX.coroutinesTest)
+    implementation(Dependencies.junit)
+}
diff --git a/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestCoroutineRule.kt b/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestCoroutineRule.kt
new file mode 100644
index 0000000000..2488aab66e
--- /dev/null
+++ b/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestCoroutineRule.kt
@@ -0,0 +1,23 @@
+package net.mullvad.mullvadvpn.lib.common.test
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.test.TestCoroutineDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.setMain
+import org.junit.rules.TestWatcher
+import org.junit.runner.Description
+
+class TestCoroutineRule(val testDispatcher: TestCoroutineDispatcher = TestCoroutineDispatcher()) :
+    TestWatcher() {
+
+    override fun starting(description: Description?) {
+        super.starting(description)
+        Dispatchers.setMain(testDispatcher)
+    }
+
+    override fun finished(description: Description?) {
+        super.finished(description)
+        Dispatchers.resetMain()
+        testDispatcher.cleanupTestCoroutines()
+    }
+}
diff --git a/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestUtils.kt b/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestUtils.kt
new file mode 100644
index 0000000000..8d09cdf22c
--- /dev/null
+++ b/android/lib/common-test/src/main/java/net/mullvad/mullvadvpn/lib/common/test/TestUtils.kt
@@ -0,0 +1,16 @@
+package net.mullvad.mullvadvpn.lib.common.test
+
+import kotlin.test.assertTrue
+
+fun <T> assertLists(expected: List<T>, actual: List<T>, message: String? = null) =
+    assertTrue(
+        expected.size == actual.size &&
+            expected.containsAll(actual) &&
+            actual.containsAll(expected),
+        message
+            ?: """Expected list should have same size and contains same items.
+        | Expected(${expected.size}): $expected
+        | Actual(${actual.size})  : $actual
+    """
+                .trimMargin()
+    )