User agent format update (#195)

* Trivial update to user agent string to improve splunk boards visibility into react native

* Added unit test of user agent string format

---------

Co-authored-by: Evan Masseau <>

Author: evan-masseau

sdk/analytics/src/main/java/com/klaviyo/analytics/DeviceProperties.kt

@@ -71,7 +71,8 @@ internal object DeviceProperties {
     }
 
     val userAgent: String by lazy {
-        "$applicationLabel/$appVersion ($applicationId; build:$appVersionCode; $platform $osVersion) klaviyo-android/$sdkVersion"
+        val sdkAgent = "klaviyo-${sdkName.replace("_","-")}"
+        "$applicationLabel/$appVersion ($applicationId; build:$appVersionCode; $platform $osVersion) $sdkAgent/$sdkVersion"
     }
 
     private val packageInfo: PackageInfo by lazy {

sdk/analytics/src/test/java/com/klaviyo/analytics/DevicePropertiesTest.kt

@@ -9,6 +9,7 @@ import io.mockk.mockk
 import io.mockk.mockkObject
 import io.mockk.unmockkObject
 import io.mockk.verify
+import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Test
 
@@ -52,6 +53,12 @@ internal class DevicePropertiesTest : BaseTest() {
         versionCode = mockVersionCode
     }
 
+    @After
+    override fun cleanup() {
+        unmockDeviceProperties()
+        super.cleanup()
+    }
+
     @Test
     fun `getVersionCodeCompat detects platform properly`() {
         setFinalStatic(Build.VERSION::class.java.getField("SDK_INT"), 23)
@@ -66,4 +73,24 @@ internal class DevicePropertiesTest : BaseTest() {
             mockPackageInfo.longVersionCode
         }
     }
+
+    @Test
+    fun `User agent reflects SDK name override`() {
+        mockDeviceProperties()
+        // Use some more realistic values for this, so the expected user agent string actually matches our regexes
+        every { DeviceProperties.applicationLabel } returns "MockApp"
+        every { DeviceProperties.appVersion } returns "1.0.0"
+        every { DeviceProperties.appVersionCode } returns "2"
+        every { DeviceProperties.sdkVersion } returns "3.0.0"
+        every { DeviceProperties.applicationId } returns "com.mock.app"
+        every { DeviceProperties.platform } returns "Android"
+        every { DeviceProperties.osVersion } returns "4"
+        every { DeviceProperties.sdkName } returns "cross_platform"
+        every { DeviceProperties.userAgent } answers { callOriginal() }
+
+        assertEquals(
+            "MockApp/1.0.0 (com.mock.app; build:2; Android 4) klaviyo-cross-platform/3.0.0",
+            DeviceProperties.userAgent
+        )
+    }
 }