Add tests for TurboSessionNavHostFragment

Author: mbarta

turbo/src/test/kotlin/dev/hotwire/turbo/session/TurboSessionNavHostFragmentTest.kt

@@ -0,0 +1,69 @@
+package dev.hotwire.turbo.session
+
+import android.content.Intent
+import android.os.Build
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.os.bundleOf
+import androidx.fragment.app.Fragment
+import dev.hotwire.turbo.BaseUnitTest
+import dev.hotwire.turbo.config.TurboPathConfiguration
+import org.assertj.core.api.Assertions.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import kotlin.reflect.KClass
+
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [Build.VERSION_CODES.O])
+class TurboSessionNavHostFragmentTest : BaseUnitTest() {
+
+    private lateinit var activity: AppCompatActivity
+    private lateinit var host: TestNavHostFragment
+
+    @Before
+    override fun setup() {
+        super.setup()
+    }
+
+    @Test
+    fun `reverts to config start location when deep link host differs`() {
+        val extras = bundleOf(LOCATION_KEY to "https://other.com/path")
+        val intent = Intent().apply { putExtra(DEEPLINK_EXTRAS_KEY, extras) }
+        activity = Robolectric.buildActivity(TestActivity::class.java, intent).create().get()
+
+        host = TestNavHostFragment()
+        host.ensureDeeplinkStartLocationValid(activity)
+
+        val resultBundle = activity.intent.getBundleExtra(DEEPLINK_EXTRAS_KEY)
+        assertThat(resultBundle?.getString(LOCATION_KEY)).isEqualTo("https://example.com/start")
+    }
+
+    @Test
+    fun `does not change start location when deep link host matches config`() {
+        val extras = bundleOf(LOCATION_KEY to "https://example.com/path")
+        val intent = Intent().apply { putExtra(DEEPLINK_EXTRAS_KEY, extras) }
+        activity = Robolectric.buildActivity(TestActivity::class.java, intent).create().get()
+
+        host = TestNavHostFragment()
+        host.ensureDeeplinkStartLocationValid(activity)
+
+        val resultBundle = activity.intent.getBundleExtra(DEEPLINK_EXTRAS_KEY)
+        assertThat(resultBundle?.getString(LOCATION_KEY)).isEqualTo("https://example.com/path")
+    }
+
+}
+
+class TestActivity : AppCompatActivity()
+
+class TestNavHostFragment : TurboSessionNavHostFragment() {
+    override val sessionName = "test"
+    override val startLocation = "https://example.com/start"
+    override val pathConfigurationLocation = TurboPathConfiguration.Location(
+        assetFilePath = "json/test-configuration.json"
+    )
+    override val registeredFragments: List<KClass<out Fragment>> = emptyList()
+}
+