Updated on 2026-08-14

common/test/build.gradle.kts

@@ -33,4 +33,5 @@ dependencies {
     implementation(tangemDeps.card.core)
 
     implementation(deps.test.junit5)
+    implementation(deps.test.truth)
 }

common/test/src/main/java/com/tangem/common/test/utils/TruthExt.kt

@@ -0,0 +1,14 @@
+package com.tangem.common.test.utils
+
+import arrow.core.Either
+import com.google.common.truth.Truth
+
+fun <B> assertEither(actual: Either<Throwable, B>, expected: Either<Throwable, B>) {
+    actual
+        .onRight { Truth.assertThat(it).isEqualTo(expected) }
+        .onLeft {
+            val expectedError = expected.leftOrNull() ?: error("Expected must be Either.Left")
+
+            Truth.assertThat(it::class.java).isEqualTo(expectedError::class.java)
+        }
+}