Refactor PasswordEntry TOTP calculation into a cold flow (#1702)

2 files changed, 38 insertions, 0 deletions

diff --git a/coroutine-utils-testing/build.gradle.kts b/coroutine-utils-testing/build.gradle.kts
index 96d87dc1..c4f7400b 100644
--- a/coroutine-utils-testing/build.gradle.kts
+++ b/coroutine-utils-testing/build.gradle.kts
@@ -11,4 +11,5 @@ dependencies {
   implementation(projects.coroutineUtils)
   implementation(libs.testing.junit)
   implementation(libs.kotlin.coroutines.test)
+  api(libs.testing.turbine)
 }
diff --git a/coroutine-utils-testing/src/main/kotlin/dev/msfjarvis/aps/test/turbine.ext.kt b/coroutine-utils-testing/src/main/kotlin/dev/msfjarvis/aps/test/turbine.ext.kt
new file mode 100644
index 00000000..596be1a1
--- /dev/null
+++ b/coroutine-utils-testing/src/main/kotlin/dev/msfjarvis/aps/test/turbine.ext.kt
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2014-2022 The Android Password Store Authors. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+package dev.msfjarvis.aps.test
+
+import app.cash.turbine.FlowTurbine
+import app.cash.turbine.test
+import kotlin.coroutines.coroutineContext
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.seconds
+import kotlin.time.ExperimentalTime
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.test.TestCoroutineScheduler
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+
+/**
+ * Wrapper for [test] that implements compatibility with kotlinx.coroutines 1.6.0
+ *
+ * @see "https://github.com/cashapp/turbine/issues/42#issuecomment-1000317026"
+ */
+@ExperimentalTime
+@ExperimentalCoroutinesApi
+public suspend fun <T> Flow<T>.test2(
+  timeout: Duration = 1.seconds,
+  validate: suspend FlowTurbine<T>.() -> Unit,
+) {
+  val testScheduler = coroutineContext[TestCoroutineScheduler]
+  return if (testScheduler == null) {
+    test(timeout, validate)
+  } else {
+    flowOn(UnconfinedTestDispatcher(testScheduler)).test(timeout, validate)
+  }
+}