INFRA-433 Rebuild node config parsing tests (#6423)

Replace node configuration parsing tests with lighter weight equivalents which just parse the configuration rather than starting a full node.

node/src/integration-test/kotlin/net/corda/node/NodeConfigParsingTests.kt

@@ -1,110 +0,0 @@
-package net.corda.node
-
-import net.corda.core.utilities.getOrThrow
-import net.corda.node.logging.logFile
-import net.corda.testing.driver.DriverParameters
-import net.corda.testing.driver.NodeParameters
-import net.corda.testing.driver.driver
-import net.corda.testing.driver.internal.incrementalPortAllocation
-import org.assertj.core.api.Assertions.assertThatThrownBy
-import org.junit.Test
-import org.junit.Assert.assertTrue
-
-
-class NodeConfigParsingTests {
-
-    @Test(timeout=300_000)
-	fun `config is overriden by underscore variable`() {
-        val portAllocator = incrementalPortAllocation()
-        val sshPort = portAllocator.nextPort()
-
-        driver(DriverParameters(
-                environmentVariables = mapOf("corda_sshd_port" to sshPort.toString()),
-                startNodesInProcess = false,
-                portAllocation = portAllocator)) {
-            val hasSsh = startNode().get()
-                    .logFile()
-                    .readLines()
-                    .filter { it.contains("SSH server listening on port") }
-                    .any { it.contains(sshPort.toString()) }
-            assertTrue(hasSsh)
-        }
-    }
-
-    @Test(timeout=300_000)
-	fun `config is overriden by case insensitive underscore variable`() {
-        val portAllocator = incrementalPortAllocation()
-        val sshPort = portAllocator.nextPort()
-
-        driver(DriverParameters(
-                environmentVariables = mapOf("CORDA_sshd_port" to sshPort.toString()),
-                startNodesInProcess = false,
-                portAllocation = portAllocator)) {
-            val hasSsh = startNode().get()
-                    .logFile()
-                    .readLines()
-                    .filter { it.contains("SSH server listening on port") }
-                    .any { it.contains(sshPort.toString()) }
-            assertTrue(hasSsh)
-        }
-    }
-
-    @Test(timeout=300_000)
-	fun `config is overriden by case insensitive dot variable`() {
-        val portAllocator = incrementalPortAllocation()
-        val sshPort = portAllocator.nextPort()
-
-        driver(DriverParameters(
-                environmentVariables = mapOf("CORDA.sshd.port" to sshPort.toString(),
-                                             "corda.devMode" to true.toString()),
-                startNodesInProcess = false,
-                portAllocation = portAllocator)) {
-            val hasSsh = startNode(NodeParameters()).get()
-                    .logFile()
-                    .readLines()
-                    .filter { it.contains("SSH server listening on port") }
-                    .any { it.contains(sshPort.toString()) }
-            assertTrue(hasSsh)
-        }
-    }
-
-    @Test(timeout=300_000)
-	fun `shadowing is forbidden`() {
-        val portAllocator = incrementalPortAllocation()
-        val sshPort = portAllocator.nextPort()
-
-        driver(DriverParameters(
-                environmentVariables = mapOf(
-                        "CORDA_sshd_port" to sshPort.toString(),
-                        "corda.sshd.port" to sshPort.toString()),
-                startNodesInProcess = false,
-                portAllocation = portAllocator,
-                notarySpecs = emptyList())) {
-
-            assertThatThrownBy {
-                startNode().getOrThrow()
-            }
-        }
-    }
-
-    @Test(timeout=300_000)
-	fun `bad keys are ignored and warned for`() {
-        val portAllocator = incrementalPortAllocation()
-        driver(DriverParameters(
-                environmentVariables = mapOf(
-                        "corda_bad_key" to "2077"),
-                startNodesInProcess = false,
-                portAllocation = portAllocator,
-                notarySpecs = emptyList())) {
-
-                val hasWarning = startNode()
-                        .getOrThrow()
-                        .logFile()
-                        .readLines()
-                        .any {
-                            it.contains("(property or environment variable) cannot be mapped to an existing Corda")
-                        }
-                assertTrue(hasWarning)
-        }
-    }
-}

node/src/integration-test/kotlin/net/corda/node/services/config/NodeConfigParsingTests.kt

@@ -0,0 +1,32 @@
+package net.corda.node.services.config
+
+import net.corda.core.utilities.getOrThrow
+import net.corda.node.logging.logFile
+import net.corda.testing.driver.DriverParameters
+import net.corda.testing.driver.driver
+import net.corda.testing.driver.internal.incrementalPortAllocation
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class NodeConfigParsingTests {
+    @Test(timeout = 300_000)
+    fun `bad keys are ignored and warned for`() {
+        val portAllocator = incrementalPortAllocation()
+        driver(DriverParameters(
+                environmentVariables = mapOf(
+                        "corda_bad_key" to "2077"),
+                startNodesInProcess = false,
+                portAllocation = portAllocator,
+                notarySpecs = emptyList())) {
+
+            val hasWarning = startNode()
+                    .getOrThrow()
+                    .logFile()
+                    .readLines()
+                    .any {
+                        it.contains("(property or environment variable) cannot be mapped to an existing Corda")
+                    }
+            assertTrue(hasWarning)
+        }
+    }
+}

node/src/main/kotlin/net/corda/node/services/config/ConfigUtilities.kt

@@ -6,6 +6,7 @@ import com.typesafe.config.ConfigParseOptions
 import net.corda.cliutils.CordaSystemUtils
 import net.corda.common.configuration.parsing.internal.Configuration
 import net.corda.core.identity.CordaX500Name
+import net.corda.core.internal.VisibleForTesting
 import net.corda.core.internal.createDirectories
 import net.corda.core.internal.div
 import net.corda.core.internal.exists
@@ -36,11 +37,34 @@ object ConfigHelper {
     private const val UPPERCASE_PROPERTY_PREFIX = "CORDA."
 
     private val log = LoggerFactory.getLogger(javaClass)
+
+    val DEFAULT_CONFIG_FILENAME = "node.conf"
+
     @Suppress("LongParameterList")
     fun loadConfig(baseDirectory: Path,
-                   configFile: Path = baseDirectory / "node.conf",
+                   configFile: Path = baseDirectory / DEFAULT_CONFIG_FILENAME,
                    allowMissingConfig: Boolean = false,
-                   configOverrides: Config = ConfigFactory.empty()): Config {
+                   configOverrides: Config = ConfigFactory.empty()): Config
+        = loadConfig(baseDirectory,
+            configFile = configFile,
+            allowMissingConfig = allowMissingConfig,
+            configOverrides = configOverrides,
+            rawSystemOverrides = ConfigFactory.systemProperties(),
+            rawEnvironmentOverrides = ConfigFactory.systemEnvironment())
+
+    /**
+     * Internal equivalent of [loadConfig] which allows the system and environment
+     * overrides to be provided from a test.
+     */
+    @Suppress("LongParameterList")
+    @VisibleForTesting
+    internal fun loadConfig(baseDirectory: Path,
+                   configFile: Path,
+                   allowMissingConfig: Boolean,
+                   configOverrides: Config,
+                   rawSystemOverrides: Config,
+                   rawEnvironmentOverrides: Config
+    ): Config {
         val parseOptions = ConfigParseOptions.defaults()
         val defaultConfig = ConfigFactory.parseResources("corda-reference.conf", parseOptions.setAllowMissing(false))
         val appConfig = ConfigFactory.parseFile(configFile.toFile(), parseOptions.setAllowMissing(allowMissingConfig))
@@ -55,8 +79,8 @@ object ConfigHelper {
                 "flowExternalOperationThreadPoolSize" to min(coreCount, FLOW_EXTERNAL_OPERATION_THREAD_POOL_SIZE_MAX).toString()
         )
 
-        val systemOverrides = ConfigFactory.systemProperties().cordaEntriesOnly()
-        val environmentOverrides = ConfigFactory.systemEnvironment().cordaEntriesOnly()
+        val systemOverrides = rawSystemOverrides.cordaEntriesOnly()
+        val environmentOverrides = rawEnvironmentOverrides.cordaEntriesOnly()
         val finalConfig = configOf(
                 // Add substitution values here
                 "baseDirectory" to baseDirectory.toString())

node/src/test/kotlin/net/corda/node/internal/NodeStartupTest.kt

@@ -1,9 +1,9 @@
 package net.corda.node.internal
 
-import com.google.common.io.Files
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.Test
 import java.nio.channels.OverlappingFileLockException
+import java.nio.file.Files
 import java.util.concurrent.CountDownLatch
 import kotlin.concurrent.thread
 import kotlin.test.assertFailsWith
@@ -11,8 +11,7 @@ import kotlin.test.assertFailsWith
 class NodeStartupTest {
     @Test(timeout=300_000)
 	fun `test that you cant start two nodes in the same directory`() {
-        val dir = Files.createTempDir().toPath()
-
+        val dir = Files.createTempDirectory("node_startup_test")
         val latch = CountDownLatch(1)
 
         thread(start = true) {

node/src/test/kotlin/net/corda/node/services/config/ConfigHelperTests.kt

@@ -0,0 +1,83 @@
+package net.corda.node.services.config
+
+import com.typesafe.config.Config
+import com.typesafe.config.ConfigFactory
+import net.corda.core.internal.delete
+import net.corda.core.internal.div
+import org.junit.After
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import java.nio.file.Files
+import java.nio.file.Path
+
+class ConfigHelperTests {
+    private var baseDir: Path? = null
+
+    @Before
+    fun setup() {
+        baseDir = Files.createTempDirectory("corda_config")
+    }
+
+    @After
+    fun cleanup() {
+        baseDir?.delete()
+    }
+
+    @Test(timeout = 300_000)
+    fun `config is overridden by underscore variable`() {
+        val sshPort: Long = 9000
+
+        // Verify the port isn't set when not provided
+        var config = loadConfig()
+        Assert.assertFalse("SSH port should not be configured when not provided", config!!.hasPath("sshd.port"))
+
+        config = loadConfig("corda_sshd_port" to sshPort)
+        Assert.assertEquals(sshPort, config?.getLong("sshd.port"))
+    }
+
+    @Test(timeout = 300_000)
+    fun `config is overridden by case insensitive underscore variable`() {
+        val sshPort: Long = 10000
+        val config = loadConfig("CORDA_sshd_port" to sshPort)
+        Assert.assertEquals(sshPort, config?.getLong("sshd.port"))
+    }
+
+    @Test(timeout = 300_000)
+    fun `config is overridden by case insensitive dot variable`() {
+        val sshPort: Long = 11000
+        val config = loadConfig("CORDA.sshd.port" to sshPort,
+                "corda.devMode" to true.toString())
+        Assert.assertEquals(sshPort, config?.getLong("sshd.port"))
+    }
+
+    @Test(timeout = 300_000, expected = ShadowingException::class)
+    fun `shadowing is forbidden`() {
+        val sshPort: Long = 12000
+        loadConfig("CORDA_sshd_port" to sshPort.toString(),
+                "corda.sshd.port" to sshPort.toString())
+    }
+
+    /**
+     * Load the node configuration with the given environment variable
+     * overrides.
+     *
+     * @param environmentVariables pairs of keys and values for environment variables
+     * to simulate when loading the configuration.
+     */
+    @Suppress("SpreadOperator")
+    private fun loadConfig(vararg environmentVariables: Pair<String, Any>): Config? {
+        return baseDir?.let {
+            ConfigHelper.loadConfig(
+                    baseDirectory = it,
+                    configFile = it / ConfigHelper.DEFAULT_CONFIG_FILENAME,
+                    allowMissingConfig = true,
+                    configOverrides = ConfigFactory.empty(),
+                    rawSystemOverrides = ConfigFactory.empty(),
+                    rawEnvironmentOverrides = ConfigFactory.empty().plus(
+                            mapOf(*environmentVariables)
+                    )
+            )
+        }
+    }
+}