libeufin

Integration and sandbox testing for FinTech APIs and data formats
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EbicsTest.kt (3467B)

      1 /*
      2  * This file is part of LibEuFin.
      3  * Copyright (C) 2025 Taler Systems S.A.
      4 
      5  * LibEuFin is free software; you can redistribute it and/or modify
      6  * it under the terms of the GNU Affero General Public License as
      7  * published by the Free Software Foundation; either version 3, or
      8  * (at your option) any later version.
      9 
     10  * LibEuFin is distributed in the hope that it will be useful, but
     11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
     13  * Public License for more details.
     14 
     15  * You should have received a copy of the GNU Affero General Public
     16  * License along with LibEuFin; see the file COPYING.  If not, see
     17  * <http://www.gnu.org/licenses/>
     18  */
     19 
     20 import org.w3c.dom.Document
     21 import com.github.ajalt.clikt.core.CliktCommand
     22 import com.github.ajalt.clikt.testing.test
     23 import kotlinx.coroutines.runBlocking
     24 import io.ktor.http.*
     25 import io.ktor.http.content.*
     26 import io.ktor.client.engine.mock.*
     27 import org.junit.Test
     28 import tech.libeufin.common.*
     29 import tech.libeufin.common.crypto.CryptoUtil
     30 import tech.libeufin.ebics.*
     31 import tech.libeufin.ebics.test.*
     32 import kotlin.io.path.*
     33 import kotlin.test.*
     34 import java.time.LocalDate
     35 
     36 @OptIn(kotlin.io.path.ExperimentalPathApi::class)
     37 class EbicsTest {
     38     private val ebicsLogger = EbicsLogger(null).tx("test").step("step")
     39 
     40     // POSTs an EBICS message to the mock bank.  Tests
     41     // the main branches: unreachable bank, non-200 status
     42     // code, and 200.
     43     @Test
     44     fun postMessage() {runBlocking {
     45         assertFailsWith<EbicsError.HTTP> {
     46             getMockedClient {
     47                 respondError(HttpStatusCode.NotFound)
     48             }.postToBank("http://ignored.example.com/", ByteArray(0), "Test", ebicsLogger)
     49         }.run {
     50             assertEquals(HttpStatusCode.NotFound, status)
     51             assertEquals("Test: bank HTTP error: 404 Not Found", message)
     52         }
     53         assertFailsWith<EbicsError.Network> {
     54             getMockedClient {
     55                 throw Exception("Simulate failure")
     56             }.postToBank("http://ignored.example.com/", ByteArray(0), "Test", ebicsLogger)
     57         }.run {
     58             assertEquals("Test: failed to contact bank", message)
     59             assertEquals("Simulate failure", cause!!.message)
     60         }
     61         assertFailsWith<EbicsError.Protocol> {
     62             getMockedClient {
     63                 respondOk("<ebics broken></ebics>")
     64             }.postToBank("http://ignored.example.com/", ByteArray(0), "Test", ebicsLogger)
     65         }.run {
     66             assertEquals("Test: invalid XML bank response", message)
     67             assertEquals("Attribute name \"broken\" associated with an element type \"ebics\" must be followed by the ' = ' character.", cause!!.message)
     68         }
     69         getMockedClient {
     70             respondOk("<ebics></ebics>")
     71         }.postToBank("http://ignored.example.com/", ByteArray(0), "Test", ebicsLogger)
     72     }}
     73 
     74     // Tests that internal repr. of keys lead to valid PDF.
     75     // Mainly tests that the function does not throw any error.
     76     @Test
     77     fun keysPdf() {
     78         val pdf = generateKeysPdf(generateNewKeys(), object: EbicsHostConfig {
     79             override val baseUrl = "https://isotest.postfinance.ch/ebicsweb/ebicsweb"
     80             override val hostId = "PFEBICS"
     81             override val userId = "PFC00563"
     82             override val partnerId = "PFC00563"
     83         })
     84         Path("/tmp/libeufin-nexus-test-keys.pdf").writeBytes(pdf)
     85     }
     86 }