add ConfigRepositoryKtTest.kt & improve error messages for missing config file resp. wrong config format

src/main/kotlin/org/domaindrivenarchitecture/provs/workplace/application/CliWorkplace.kt

@@ -1,7 +1,9 @@
 package org.domaindrivenarchitecture.provs.workplace.application
 
+import kotlinx.serialization.SerializationException
 import org.domaindrivenarchitecture.provs.core.cli.createProvInstance
 import org.domaindrivenarchitecture.provs.workplace.infrastructure.getConfig
+import java.io.FileNotFoundException
 import kotlin.system.exitProcess
 
 
@@ -25,7 +27,11 @@ fun main(args: Array<String>) {
         val prov = createProvInstance(cmd.target, remoteHostSetSudoWithoutPasswordRequired = true)
         provision(prov, conf)
 
-    } catch (e: IllegalArgumentException) {
+    } catch (e: SerializationException) {
+        println(
+            "Error: File \"${cmd.configFile}\" has an invalid format and or invalid data.\n"
+        )
+    } catch (e: FileNotFoundException) {
         println(
             "Error: File\u001b[31m ${cmd.configFile} \u001b[0m was not found.\n" +
                     "Pls copy file \u001B[31m WorkplaceConfigExample.yaml \u001B[0m to file \u001B[31m ${cmd.configFile} \u001B[0m " +

src/main/kotlin/org/domaindrivenarchitecture/provs/workplace/infrastructure/ConfigRepository.kt

@@ -4,27 +4,27 @@ import com.charleskorn.kaml.Yaml
 import kotlinx.serialization.json.Json
 import org.domaindrivenarchitecture.provs.core.tags.Api
 import org.domaindrivenarchitecture.provs.workplace.domain.WorkplaceConfig
-import java.io.*
+import java.io.BufferedReader
+import java.io.FileReader
+import java.io.FileWriter
 
 
-internal fun getConfig(filename: String = "WorkplaceConfig.json"): WorkplaceConfig {
-    val file = File(filename)
-    require(file.exists(), { "File not found: " + filename })
+/**
+ * Returns WorkplaceConfig; data for config is read from specified file.
+ * Throws exceptions FileNotFoundException, SerializationException if file is not found resp. cannot be parsed.
+ */
+internal fun getConfig(filename: String = "WorkplaceConfig.yaml"): WorkplaceConfig {
 
-    val config =
-        try {
-            // read from file
-            val inputAsString = BufferedReader(FileReader(filename)).use { it.readText() }
+    // read file
+    val inputAsString = BufferedReader(FileReader(filename)).use { it.readText() }
 
-            // serializing objects
+    // serializing objects
+    val config =
             if (filename.lowercase().endsWith(".yaml")) {
                 Yaml.default.decodeFromString(WorkplaceConfig.serializer(), inputAsString)
             } else {
                 Json.decodeFromString(WorkplaceConfig.serializer(), inputAsString)
             }
-        } catch (e: FileNotFoundException) {
-            throw IllegalArgumentException("File not found: " + filename, e)
-        }
     return config
 }
 

src/test/kotlin/org/domaindrivenarchitecture/provs/workplace/application/CliWorkplaceKtTest.kt

@@ -12,8 +12,11 @@ import org.domaindrivenarchitecture.provs.workplace.domain.WorkplaceType
 import org.domaindrivenarchitecture.provs.workplace.domain.provisionWorkplace
 import org.domaindrivenarchitecture.provs.workplace.infrastructure.getConfig
 import org.junit.jupiter.api.AfterAll
+import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
+import java.io.ByteArrayOutputStream
+import java.io.PrintStream
 
 internal class CliWorkplaceKtTest {
 
@@ -35,7 +38,10 @@ internal class CliWorkplaceKtTest {
             every { getConfig("testconfig.yaml") } returns testConfig
 
             mockkStatic(Prov::provisionWorkplace)
-            every { any<Prov>().provisionWorkplace(any(), any(), any(), any(), any()) } returns ProvResult(true, cmd = "mocked command")
+            every { any<Prov>().provisionWorkplace(any(), any(), any(), any(), any()) } returns ProvResult(
+                true,
+                cmd = "mocked command"
+            )
 
             mockkStatic(::retrievePassword)
             every { retrievePassword(any()) } returns Secret("sec")
@@ -58,7 +64,15 @@ internal class CliWorkplaceKtTest {
         main(arrayOf("-l", "testconfig.yaml"))
 
         // then
-        verify { any<Prov>().provisionWorkplace(WorkplaceType.MINIMAL, null, null, testConfig.gitUserName, testConfig.gitEmail) }
+        verify {
+            any<Prov>().provisionWorkplace(
+                WorkplaceType.MINIMAL,
+                null,
+                null,
+                testConfig.gitUserName,
+                testConfig.gitEmail
+            )
+        }
     }
 
     @Test
@@ -69,6 +83,62 @@ internal class CliWorkplaceKtTest {
 
         // then
         verify { remote("host123", "user123", Secret("sec"), any()) }
-        verify { any<Prov>().provisionWorkplace(WorkplaceType.MINIMAL, null, null, testConfig.gitUserName, testConfig.gitEmail) }
+        verify {
+            any<Prov>().provisionWorkplace(
+                WorkplaceType.MINIMAL,
+                null,
+                null,
+                testConfig.gitUserName,
+                testConfig.gitEmail
+            )
+        }
+    }
+
+    @Test
+    fun prints_error_message_if_config_not_found() {
+        // given
+        val outContent = ByteArrayOutputStream()
+        val errContent = ByteArrayOutputStream()
+        val originalOut = System.out
+        val originalErr = System.err
+
+        System.setOut(PrintStream(outContent))
+        System.setErr(PrintStream(errContent))
+
+        // when
+        main(arrayOf("-l", "idontexist.yaml"))
+
+        // then
+        System.setOut(originalOut)
+        System.setErr(originalErr)
+
+        val expectedOutput = "Error: File\u001B[31m idontexist.yaml \u001B[0m was not found.Pls copy file \u001B[31m WorkplaceConfigExample.yaml \u001B[0m to file \u001B[31m idontexist.yaml \u001B[0m and change the content according to your needs."
+        assertEquals(expectedOutput, outContent.toString().replace("\r", "").replace("\n", ""))
+
+        verify(exactly = 0) { any<Prov>().provisionWorkplace(any()) }
+    }
+
+    @Test
+    fun prints_error_message_if_config_not_parsable() {
+        // given
+        val outContent = ByteArrayOutputStream()
+        val errContent = ByteArrayOutputStream()
+        val originalOut = System.out
+        val originalErr = System.err
+
+        System.setOut(PrintStream(outContent))
+        System.setErr(PrintStream(errContent))
+
+        // when
+        main(arrayOf("-l", "src/test/resources/InvalidWorkplaceConfig.yaml"))
+
+        // then
+        System.setOut(originalOut)
+        System.setErr(originalErr)
+
+        val expectedOutput = "Error: File \"src/test/resources/InvalidWorkplaceConfig.yaml\" has an invalid format and or invalid data."
+        assertEquals(expectedOutput, outContent.toString().replace("\r", "").replace("\n", ""))
+
+        verify(exactly = 0) { any<Prov>().provisionWorkplace(any()) }
     }
 }

src/test/kotlin/org/domaindrivenarchitecture/provs/workplace/infrastructure/ConfigRepositoryKtTest.kt

@@ -0,0 +1,47 @@
+package org.domaindrivenarchitecture.provs.workplace.infrastructure
+
+import com.charleskorn.kaml.InvalidPropertyValueException
+import org.domaindrivenarchitecture.provs.ubuntu.secret.SecretSourceType
+import org.domaindrivenarchitecture.provs.workplace.domain.WorkplaceType
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import java.io.FileNotFoundException
+
+internal class ConfigRepositoryKtTest {
+
+    @Test
+    fun getConfig_successful() {
+        // when
+        val config = getConfig("src/test/resources/TestWorkplaceConfig.yaml")
+
+        // then
+        assertEquals(WorkplaceType.OFFICE, config.type)
+        assertEquals("username", config.gitUserName)
+        assertEquals("for@git.email", config.gitEmail)
+
+        assertEquals(SecretSourceType.FILE, config.ssh?.sourceType)
+        assertEquals("~/.ssh/id_rsa.pub", config.ssh?.publicKey)
+        assertEquals("~/.ssh/id_rsa", config.ssh?.privateKey)
+
+        assertEquals(SecretSourceType.GOPASS, config.gpg?.sourceType)
+        assertEquals("path/to/pub.key", config.gpg?.publicKey)
+        assertEquals("path/to/priv.key", config.gpg?.privateKey)
+    }
+
+    @Test
+    fun getConfig_fails_due_to_invalidProperty() {
+        assertThrows<InvalidPropertyValueException> {
+            getConfig("src/test/resources/InvalidWorkplaceConfig.yaml")
+        }
+
+    }
+
+    @Test
+    fun getConfig_fails_due_to_non_existing_file() {
+        assertThrows<FileNotFoundException> {
+            getConfig("src/test/resources/Idonotexist.yaml")
+        }
+
+    }
+}

src/test/resources/InvalidWorkplaceConfig.yaml

@@ -0,0 +1,2 @@
+type: WRONGTYPE   # IDE, OFFICE or MINIMAL
+nonexistingkey: foo

src/test/resources/TestWorkplaceConfig.yaml

@@ -0,0 +1,14 @@
+# type is required
+type: OFFICE   # IDE, OFFICE or MINIMAL
+
+# fields below are optional, either remove them or update them with your data
+ssh:
+  sourceType: FILE       # FILE or GOPASS
+  publicKey: ~/.ssh/id_rsa.pub    # file path resp. gopass path to public key
+  privateKey: ~/.ssh/id_rsa       # file path resp. gopass path to private key
+gpg:
+  sourceType: GOPASS      # FILE or GOPASS
+  publicKey: path/to/pub.key      # file path resp. gopass path to public key
+  privateKey: path/to/priv.key    # file path resp. gopass path to private key
+gitUserName: username      # global git user name
+gitEmail: for@git.email    # global git email