Add deep link tests

android/src/main/java/com/segment/analytics/kotlin/android/utilities/DeepLinkUtils.kt

@@ -1,7 +1,9 @@
 package com.segment.analytics.kotlin.android.utilities
 
 import android.content.Intent
+import android.net.Uri
 import com.segment.analytics.kotlin.core.Analytics
+import kotlinx.serialization.json.JsonObject
 import kotlinx.serialization.json.buildJsonObject
 import kotlinx.serialization.json.put
 
@@ -13,13 +15,32 @@ class DeepLinkUtils(val analytics: Analytics) {
             return
         }
 
-        val properties = buildJsonObject {
+        val properties = extractLinkProperties(referrer, intent.data)
+        analytics.track("Deep Link Opened", properties)
+    }
 
+    /**
+     * Builds a JsonObject with the parameters of a given Uri.
+     *
+     * Note: The Uri must be hierarchical (myUri.isHierarchical == true) for parameters to be
+     * extracted.
+     *
+     * Example hierarchical Uri: http://example.com/
+     * Example non-hierarchical Uri: mailto:me@email.com
+     *
+     * Note: we return the given Uri as a property named: "url" since this is what is expected
+     * upstream.
+     */
+    fun extractLinkProperties(
+        referrer: String?,
+        uri: Uri?
+    ): JsonObject {
+        val properties = buildJsonObject {
             referrer?.let {
                 put("referrer", it)
             }
 
-            intent.data?.let { uri ->
+            uri?.let {
                 if (uri.isHierarchical) {
                     for (parameter in uri.queryParameterNames) {
                         val value = uri.getQueryParameter(parameter)
@@ -31,6 +52,7 @@ class DeepLinkUtils(val analytics: Analytics) {
                 put("url", uri.toString())
             }
         }
-        analytics.track("Deep Link Opened", properties)
+
+        return properties
     }
 }

android/src/test/java/com/segment/analytics/kotlin/android/utilities/DeepLinkUtilsTests.kt

@@ -0,0 +1,126 @@
+package com.segment.analytics.kotlin.android.utilities
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.net.Uri
+import androidx.test.platform.app.InstrumentationRegistry
+import com.segment.analytics.kotlin.android.AndroidStorageProvider
+import com.segment.analytics.kotlin.android.plugins.getUniqueID
+import com.segment.analytics.kotlin.android.utils.MemorySharedPreferences
+import com.segment.analytics.kotlin.android.utils.testAnalytics
+import com.segment.analytics.kotlin.core.Analytics
+import com.segment.analytics.kotlin.core.Configuration
+import com.segment.analytics.kotlin.core.emptyJsonObject
+import io.mockk.every
+import io.mockk.mockkStatic
+import io.mockk.spyk
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.buildJsonObject
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(RobolectricTestRunner::class)
+@Config(manifest = Config.NONE)
+class DeepLinkUtilsTests {
+    lateinit var appContext: Context
+    lateinit var analytics: Analytics
+    lateinit var deepLinkUtils: DeepLinkUtils
+    private val testDispatcher = UnconfinedTestDispatcher()
+    private val testScope = TestScope(testDispatcher)
+
+
+    @Before
+    fun setup() {
+        appContext = spyk(InstrumentationRegistry.getInstrumentation().targetContext)
+        val sharedPreferences: SharedPreferences = MemorySharedPreferences()
+        every { appContext.getSharedPreferences(any(), any()) } returns sharedPreferences
+        mockkStatic("com.segment.analytics.kotlin.android.plugins.AndroidContextPluginKt")
+        every { getUniqueID() } returns "unknown"
+
+        analytics = testAnalytics(
+            Configuration(
+                writeKey = "123",
+                application = appContext,
+                storageProvider = AndroidStorageProvider
+            ),
+            testScope, testDispatcher
+        )
+        deepLinkUtils = DeepLinkUtils(analytics)
+    }
+
+    @Test
+    fun extractLinkPropertiesTest() {
+        val link =
+            "https://stockx.com/?utm_source=af&utm_medium=imp&utm_campaign=1310690&impactSiteId=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&clickid=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&utm_term=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&utm_content=1868737_570105&irgwc=1&irclickid=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&ir_campaignid=9060&ir_adid=570105&ir_partnerid=1310690&gad_source=1&referrer=gclid%3DCjwKCAiAiaC-BhBEEiwAjY99qHbSPJ49pAI83Lo4L7bV3GKaUxSyOX4lah88GFkcNGYQ_MLIZGwXcBoCFAwQAvD_BwE&gref=EkQKPAoICICJoL4GEEQSLACNj32odtI8nj2kAjzcujgvttXcYppTFLI5fiVqHzwYWRw0ZhD8wshkbBdwGgIUDBAC8P8HARjt_K_sKQ"
+
+        val expectedProperties = buildJsonObject {
+            put(
+                "referrer",
+                JsonPrimitive("gclid=CjwKCAiAiaC-BhBEEiwAjY99qHbSPJ49pAI83Lo4L7bV3GKaUxSyOX4lah88GFkcNGYQ_MLIZGwXcBoCFAwQAvD_BwE")
+            )
+            put("utm_source", JsonPrimitive("af"))
+            put("utm_medium", JsonPrimitive("imp"))
+            put("utm_campaign", JsonPrimitive("1310690"))
+            put("impactSiteId", JsonPrimitive("VupTG:SM2xyKUReTwuwulVAxUksw710t1yqKR80"))
+            put("clickid", JsonPrimitive("VupTG:SM2xyKUReTwuwulVAxUksw710t1yqKR80"))
+            put("utm_term", JsonPrimitive("VupTG:SM2xyKUReTwuwulVAxUksw710t1yqKR80"))
+            put("utm_content", JsonPrimitive("1868737_570105"))
+            put("irgwc", JsonPrimitive("1"))
+            put("irclickid", JsonPrimitive("VupTG:SM2xyKUReTwuwulVAxUksw710t1yqKR80"))
+            put("ir_campaignid", JsonPrimitive("9060"))
+            put("ir_adid", JsonPrimitive("570105"))
+            put("ir_partnerid", JsonPrimitive("1310690"))
+            put("gad_source", JsonPrimitive("1"))
+            put(
+                "gref",
+                JsonPrimitive("EkQKPAoICICJoL4GEEQSLACNj32odtI8nj2kAjzcujgvttXcYppTFLI5fiVqHzwYWRw0ZhD8wshkbBdwGgIUDBAC8P8HARjt_K_sKQ")
+            )
+            put(
+                "url",
+                JsonPrimitive("https://stockx.com/?utm_source=af&utm_medium=imp&utm_campaign=1310690&impactSiteId=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&clickid=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&utm_term=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&utm_content=1868737_570105&irgwc=1&irclickid=VupTG%3ASM2xyKUReTwuwulVAxUksw710t1yqKR80&ir_campaignid=9060&ir_adid=570105&ir_partnerid=1310690&gad_source=1&referrer=gclid%3DCjwKCAiAiaC-BhBEEiwAjY99qHbSPJ49pAI83Lo4L7bV3GKaUxSyOX4lah88GFkcNGYQ_MLIZGwXcBoCFAwQAvD_BwE&gref=EkQKPAoICICJoL4GEEQSLACNj32odtI8nj2kAjzcujgvttXcYppTFLI5fiVqHzwYWRw0ZhD8wshkbBdwGgIUDBAC8P8HARjt_K_sKQ")
+            )
+        }
+
+        // This should extract all query parameters as properties including a value for the referer property
+        val properties = deepLinkUtils.extractLinkProperties("not used", Uri.parse(link))
+
+        assertEquals(expectedProperties, properties)
+    }
+
+    @Test
+    fun differentUriTest() {
+        var properties = deepLinkUtils.extractLinkProperties(null, Uri.parse("http://example.com?prop1=foo"))
+        assertEquals(
+            buildJsonObject {
+                put("prop1", JsonPrimitive("foo"))
+                put("url", JsonPrimitive("http://example.com?prop1=foo"))
+            },
+            properties
+        )
+
+        properties = deepLinkUtils.extractLinkProperties(null, Uri.parse("example.com?prop1=foo"))
+        assertEquals(
+            buildJsonObject {
+                put("prop1", JsonPrimitive("foo"))
+                put("url", JsonPrimitive("example.com?prop1=foo"))
+            },
+            properties
+        )
+
+        // Even though this Uri has a "?prop1=foo" string at the end, it's not a known part of
+        // the Uri scheme so we won't be able to use it.
+        properties = deepLinkUtils.extractLinkProperties(null, Uri.parse("mailto:me@email.com?prop1=foo"))
+        assertEquals(
+            buildJsonObject {
+                put("url", JsonPrimitive("mailto:me@email.com?prop1=foo"))
+            },
+            properties
+        )
+    }
+}