Make OpenAiAiAssertionModel gemini API compatible

roborazzi-ai-openai/src/commonMain/kotlin/com/github/takahirom/roborazzi/OpenAiAiAssertionModel.kt

@@ -41,7 +41,7 @@ class OpenAiAiAssertionModel(
   private val loggingEnabled: Boolean = false,
   private val temperature: Float = DefaultTemperature,
   private val maxTokens: Int = DefaultMaxOutputTokens,
-  private val seed: Int = 1566,
+  private val seed: Int? = 1566,
   private val requestBuilderModifier: (HttpRequestBuilder.() -> Unit) = {
     header("Authorization", "Bearer $apiKey")
   },
@@ -231,7 +231,7 @@ private data class ChatCompletionRequest(
   val temperature: Float,
   @SerialName("max_tokens") val maxTokens: Int,
   @SerialName("response_format") val responseFormat: ResponseFormat?,
-  val seed: Int,
+  val seed: Int?,
 )
 
 @Serializable
@@ -260,7 +260,8 @@ private data class ImageUrl(
 
 @Serializable
 private data class ChatCompletionResponse(
-  val id: String,
+  // null on gemini
+  val id: String? = null,
   val `object`: String,
   val created: Long,
   val model: String,
@@ -283,9 +284,12 @@ private data class ChoiceMessage(
 
 @Serializable
 private data class Usage(
-  @SerialName("prompt_tokens") val promptTokens: Int,
+  // null on gemini
+  @SerialName("prompt_tokens") val promptTokens: Int? = null,
+  // null on gemini
   @SerialName("completion_tokens") val completionTokens: Int? = null,
-  @SerialName("total_tokens") val totalTokens: Int,
+  // null on gemini
+  @SerialName("total_tokens") val totalTokens: Int? = null,
 )
 
 

sample-android/src/test/java/com/github/takahirom/roborazzi/sample/GeminiWithOpenAiApiInterfaceTest.kt

@@ -0,0 +1,79 @@
+package com.github.takahirom.roborazzi.sample
+
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.matcher.ViewMatchers
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.github.takahirom.roborazzi.AiAssertionOptions
+import com.github.takahirom.roborazzi.DEFAULT_ROBORAZZI_OUTPUT_DIR_PATH
+import com.github.takahirom.roborazzi.ExperimentalRoborazziApi
+import com.github.takahirom.roborazzi.OpenAiAiAssertionModel
+import com.github.takahirom.roborazzi.ROBORAZZI_DEBUG
+import com.github.takahirom.roborazzi.RobolectricDeviceQualifiers
+import com.github.takahirom.roborazzi.RoborazziOptions
+import com.github.takahirom.roborazzi.RoborazziRule
+import com.github.takahirom.roborazzi.RoborazziTaskType
+import com.github.takahirom.roborazzi.captureRoboImage
+import com.github.takahirom.roborazzi.provideRoborazziContext
+import com.github.takahirom.roborazzi.roboOutputName
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+import org.robolectric.annotation.GraphicsMode
+import java.io.File
+
+@OptIn(ExperimentalRoborazziApi::class)
+@RunWith(AndroidJUnit4::class)
+@GraphicsMode(GraphicsMode.Mode.NATIVE)
+@Config(
+  sdk = [30],
+  qualifiers = RobolectricDeviceQualifiers.NexusOne
+)
+class GeminiWithOpenAiApiInterfaceTest {
+  @get:Rule
+  val composeTestRule = createAndroidComposeRule<MainActivity>()
+
+  @get:Rule
+  val roborazziRule = RoborazziRule(
+    options = RoborazziRule.Options(
+      roborazziOptions = RoborazziOptions(
+        taskType =  RoborazziTaskType.Compare,
+        compareOptions = RoborazziOptions.CompareOptions(
+          aiAssertionOptions = AiAssertionOptions(
+            aiAssertionModel = OpenAiAiAssertionModel(
+              baseUrl = "https://generativelanguage.googleapis.com/v1beta/openai/",
+              apiKey = System.getenv("gemini_api_key").orEmpty(),
+              modelName = "gemini-1.5-flash",
+              seed = null
+            ),
+          )
+        )
+      )
+    )
+  )
+
+  @Test
+  fun captureWithAi() {
+    ROBORAZZI_DEBUG = true
+    if (System.getenv("gemini_api_key") == null) {
+      println("Skip the test because openai_api_key is not set.")
+      return
+    }
+    File(DEFAULT_ROBORAZZI_OUTPUT_DIR_PATH + File.separator + roboOutputName() + ".png").delete()
+    onView(ViewMatchers.isRoot())
+      .captureRoboImage(
+        roborazziOptions = provideRoborazziContext().options.addedAiAssertions(
+          AiAssertionOptions.AiAssertion(
+            assertionPrompt = "it should have PREVIOUS button",
+            requiredFulfillmentPercent = 90,
+          ),
+          AiAssertionOptions.AiAssertion(
+            assertionPrompt = "it should show First Fragment",
+            requiredFulfillmentPercent = 90,
+          )
+        )
+      )
+    File(DEFAULT_ROBORAZZI_OUTPUT_DIR_PATH + File.separator + roboOutputName() + "_compare.png").delete()
+  }
+}