Add AndroidView test in Android

eungabi/src/androidTest/kotlin/com/easternkite/eungabi/navigation/CachedWebViewTest.kt

@@ -0,0 +1,114 @@
+package com.easternkite.eungabi.navigation
+
+import android.content.Context
+import android.view.ViewGroup
+import android.webkit.WebChromeClient
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.Button
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.test.isDisplayed
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import androidx.compose.ui.viewinterop.AndroidView
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class CachedWebViewTest {
+
+    @get:Rule
+    val composeRule = createComposeRule()
+
+    @Test
+    fun cached_webView_test() {
+        composeRule.setContent {
+            val controller = rememberEunGabiController()
+            EunGabiNavHost(
+                controller = controller,
+                startDestination = "A"
+            ) {
+                composable("A") {
+                    println("it.id = ${it.id}")
+                    Box {
+                        WebView(
+                            id = "A",
+                            url = "https://www.google.com"
+                        )
+                        Button(
+                            onClick = { controller.navigate("A?url=https://easternkite.medium.com") },
+                            modifier = Modifier.testTag("Button_A")
+                        ) {
+                            Text("next")
+                        }
+                    }
+                }
+            }
+        }
+        composeRule.waitForIdle()
+        composeRule.onNodeWithTag("Button_A")
+            .performClick()
+        composeRule.waitForIdle()
+        composeRule
+            .onNodeWithTag("Button_A")
+            .isDisplayed()
+    }
+}
+
+@Composable
+fun WebView(
+    id: String,
+    url: String
+) {
+    val context = LocalContext.current
+    val webView = remember(id, url) {
+        WebViewManager.getOrCreateWebView(context, id, url)
+    }
+
+    DisposableEffect(webView) {
+        onDispose {
+            (webView.parent as? ViewGroup)?.removeView(webView)
+        }
+    }
+
+    AndroidView(
+        modifier = Modifier.fillMaxSize(),
+        factory = {
+            val parent = webView.parent as? ViewGroup
+            parent?.removeView(webView)
+            webView
+        },
+        update = {
+            it.url ?: it.loadUrl(url)
+        }
+    )
+}
+
+object WebViewManager {
+    private val cache = mutableMapOf<String, WebView>()
+
+    fun getOrCreateWebView(
+        context: Context,
+        id: String,
+        url: String
+    ): WebView {
+        return cache.getOrPut(id) {
+            WebView(context).apply {
+                webViewClient = WebViewClient()
+                webChromeClient = WebChromeClient()
+                loadUrl(url)
+            }
+        }
+    }
+}