Updated on 2026-08-14

core/datasource/src/test/kotlin/com/tangem/datasource/local/card/UsedCardInfoSerializationTest.kt

@@ -0,0 +1,107 @@
+package com.tangem.datasource.local.card
+
+import com.google.common.truth.Truth.assertThat
+import com.squareup.moshi.JsonDataException
+import com.squareup.moshi.Moshi
+import com.tangem.test.core.ProvideTestModels
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.TestInstance
+import org.junit.jupiter.params.ParameterizedTest
+
+/**
+ * Tests Moshi serialization/deserialization of [UsedCardInfo].
+ */
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+internal class UsedCardInfoSerializationTest {
+
+    private val adapter = Moshi.Builder().build().adapter(UsedCardInfo::class.java)
+
+    @Test
+    fun `GIVEN full model WHEN toJson THEN all fields serialized in declaration order`() {
+        // Arrange
+        val model = UsedCardInfo(
+            cardId = "card-1",
+            isScanned = true,
+            isActivationStarted = true,
+            isActivationFinished = false,
+            hasBackupError = true,
+        )
+
+        // Act
+        val json = adapter.toJson(model)
+
+        // Assert
+        assertThat(json).isEqualTo(
+            """{"cardId":"card-1","isScanned":true,"isActivationStarted":true,""" +
+                """"isActivationFinished":false,"hasBackupError":true}""",
+        )
+    }
+
+    @Test
+    fun `GIVEN full json WHEN fromJson THEN model fully populated`() {
+        // Arrange
+        val json = """{"cardId":"card-2","isScanned":false,"isActivationStarted":true,""" +
+            """"isActivationFinished":true,"hasBackupError":false}"""
+
+        // Act
+        val result = adapter.fromJson(json)
+
+        // Assert
+        assertThat(result).isEqualTo(
+            UsedCardInfo(
+                cardId = "card-2",
+                isScanned = false,
+                isActivationStarted = true,
+                isActivationFinished = true,
+                hasBackupError = false,
+            ),
+        )
+    }
+
+    @Test
+    fun `GIVEN json with only cardId WHEN fromJson THEN boolean fields fall back to defaults`() {
+        // Arrange
+        val json = """{"cardId":"card-3"}"""
+
+        // Act
+        val result = adapter.fromJson(json)
+
+        // Assert
+        assertThat(result).isEqualTo(UsedCardInfo(cardId = "card-3"))
+    }
+
+    @Test
+    fun `GIVEN json without cardId WHEN fromJson THEN throws`() {
+        // Arrange
+        val json = """{"isScanned":true}"""
+
+        // Act
+        val error = runCatching { adapter.fromJson(json) }.exceptionOrNull()
+
+        // Assert
+        assertThat(error).isInstanceOf(JsonDataException::class.java)
+    }
+
+    @ParameterizedTest
+    @ProvideTestModels
+    fun roundTrip(model: UsedCardInfo) {
+        // Act
+        val restored = adapter.fromJson(adapter.toJson(model))
+
+        // Assert
+        assertThat(restored).isEqualTo(model)
+    }
+
+    private fun provideTestModels() = listOf(
+        UsedCardInfo(cardId = "default-only"),
+        UsedCardInfo(
+            cardId = "all-true",
+            isScanned = true,
+            isActivationStarted = true,
+            isActivationFinished = true,
+            hasBackupError = true,
+        ),
+        UsedCardInfo(cardId = "activation-in-progress", isScanned = true, isActivationStarted = true),
+        UsedCardInfo(cardId = "backup-error", hasBackupError = true),
+    )
+}