1 files changed, 69 insertions, 0 deletions
diff --git a/wallet/src/commonTest/kotlin/net/taler/lib/wallet/TestUtils.kt b/wallet/src/commonTest/kotlin/net/taler/lib/wallet/TestUtils.kt
new file mode 100644
index 0000000..14c3076
--- /dev/null
+++ b/wallet/src/commonTest/kotlin/net/taler/lib/wallet/TestUtils.kt
@@ -0,0 +1,69 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.lib.wallet
+
+import io.ktor.client.HttpClient
+import io.ktor.client.engine.mock.MockEngine
+import io.ktor.client.engine.mock.MockEngineConfig
+import io.ktor.client.engine.mock.respond
+import io.ktor.client.features.json.JsonFeature
+import io.ktor.client.features.json.serializer.KotlinxSerializer
+import io.ktor.http.ContentType.Application
+import io.ktor.http.Url
+import io.ktor.http.fullPath
+import io.ktor.http.headersOf
+import io.ktor.http.hostWithPort
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.serialization.json.Json
+
+enum class PlatformTarget {
+    ANDROID,
+    JS,
+    NATIVE,
+}
+
+/**
+ * Workaround to use suspending functions in unit tests
+ */
+expect fun runCoroutine(block: suspend (scope: CoroutineScope) -> Unit)
+
+expect fun getPlatformTarget(): PlatformTarget
+
+fun getMockHttpClient(): HttpClient = HttpClient(MockEngine) {
+    install(JsonFeature) {
+        serializer = KotlinxSerializer(Json(getJsonConfiguration()))
+    }
+    engine {
+        addHandler { error("No test handler added") }
+    }
+}
+
+fun HttpClient.giveJsonResponse(url: String, jsonProducer: () -> String) {
+    val httpConfig = engineConfig as MockEngineConfig
+    httpConfig.requestHandlers.removeAt(0)
+    httpConfig.requestHandlers.add { request ->
+        if (request.url.fullUrl == url) {
+            val headers = headersOf("Content-Type" to listOf(Application.Json.toString()))
+            respond(jsonProducer(), headers = headers)
+        } else {
+            error("Unexpected URL: ${request.url.fullUrl}")
+        }
+    }
+}
+
+private val Url.hostWithPortIfRequired: String get() = if (port == protocol.defaultPort) host else hostWithPort
+private val Url.fullUrl: String get() = "${protocol.name}://$hostWithPortIfRequired$fullPath"