Add overrideWithStaticBuildConfigurationFile test case

Author: sidepelican

Plugins/JExtractSwiftPlugin/JExtractSwiftPlugin.swift

@@ -46,7 +46,7 @@ struct JExtractSwiftBuildToolPlugin: SwiftJavaPluginProtocol, BuildToolPlugin {
     // The name of the configuration file SwiftJava.config from the target for
     // which we are generating Swift wrappers for Java classes.
     let configFile = sourceDir.appending(path: "swift-java.config")
-    let configuration = try readConfiguration(sourceDir: sourceDir)
+    let configuration = try readConfiguration(configPath: configFile)
 
     // We use the the usual maven-style structure of "src/[generated|main|test]/java/..."
     // that is common in JVM ecosystem
@@ -71,6 +71,13 @@ struct JExtractSwiftBuildToolPlugin: SwiftJavaPluginProtocol, BuildToolPlugin {
       //       We'll have to make up some caching inside the tool so we don't re-parse files which have not changed etc.
     ]
 
+    if let staticBuildConfig = configuration?.staticBuildConfigurationFile {
+      guard let resolvedURL = URL(string: staticBuildConfig, relativeTo: configFile) else {
+        fatalError("Could not resolve 'staticBuildConfigurationFile' url")
+      }
+      arguments += ["--static-build-config", resolvedURL.absoluteURL.path(percentEncoded: false)]
+    }
+
     let dependentConfigFilesArguments = dependentConfigFiles.flatMap { moduleAndConfigFile in
       let (moduleName, configFile) = moduleAndConfigFile
       return [

Tests/JExtractSwiftTests/Asserts/TextAssertions.swift

@@ -87,9 +87,17 @@ func assertOutput(
 
   let sourceLocation = SourceLocation(fileID: fileID, filePath: filePath, line: line, column: column)
   for notExpectedChunk in notExpectedChunks {
+    let outputNotContainsNotExpectedChunk = !output.contains(notExpectedChunk)
     #expect(
-      !output.contains(notExpectedChunk),
-      "Output must not contain:\n\(notExpectedChunk)\n\nGot output:\n\(output)",
+      outputNotContainsNotExpectedChunk,
+      """
+      \("error: Output must not contain not expected chunk!".red)
+      ==== Not Expected output -----------------------------------------------  
+      \(notExpectedChunk.yellow)
+      ==== Got output ----------------------------------------------------
+      \(output)
+      ==== ---------------------------------------------------------------
+      """,
       sourceLocation: sourceLocation
     )
   }

Tests/JExtractSwiftTests/IfConfigTests.swift

@@ -14,6 +14,8 @@
 
 import JExtractSwiftLib
 import Testing
+import SwiftJavaConfigurationShared
+import Foundation
 
 @Suite
 struct IfConfigTests {
@@ -68,6 +70,60 @@ struct IfConfigTests {
     )
   }
 
+  @Test
+  func overrideWithStaticBuildConfigurationFile() throws {
+    try withTemporaryFile(
+      suffix: "json",
+      contents: """
+      {
+        "attributes": [],
+        "compilerVersion": {
+          "components": [6, 3]
+        },
+        "customConditions": [
+          "DEBUG"
+        ],
+        "endianness": "little",
+        "features": [],
+        "languageMode": {
+          "components": [5, 10]
+        },
+        "targetArchitectures": [],
+        "targetAtomicBitWidths": [],
+        "targetEnvironments": [],
+        "targetOSs": [],
+        "targetObjectFileFormats": [],
+        "targetPointerAuthenticationSchemes": [],
+        "targetPointerBitWidth": 64,
+        "targetRuntimes": []
+      }
+      """
+    ) { staticBuildConfigFile in
+      var config = Configuration()
+      config.staticBuildConfigurationFile = staticBuildConfigFile.absoluteURL.path(percentEncoded: false)
+
+      try assertOutput(
+        input: """
+        #if DEBUG
+        public struct IsDebug {}
+        #else
+        public struct IsNotDebug {}
+        #endif
+        """,
+        config: config,
+        .ffm,
+        .java,
+        detectChunkByInitialLines: 1,
+        expectedChunks: [
+          "public final class IsDebug",
+        ],
+        notExpectedChunks: [
+          "public final class IsNotDebug",
+        ]
+      )
+    }
+  }
+
   @Test
   func swiftinterfaceCommonPattern() throws {
     try assertOutput(
@@ -97,3 +153,19 @@ struct IfConfigTests {
     )
   }
 }
+
+private func withTemporaryFile(
+  suffix: String,
+  contents: String = "",
+  in tempDirectory: URL = FileManager.default.temporaryDirectory,
+  _ perform: (URL) throws -> Void
+) throws {
+  let tempFileName = "tmp_\(UUID().uuidString).\(suffix)"
+  let tempFileURL = tempDirectory.appendingPathComponent(tempFileName)
+
+  try contents.write(to: tempFileURL, atomically: true, encoding: .utf8)
+  defer {
+    try? FileManager.default.removeItem(at: tempFileURL)
+  }
+  try perform(tempFileURL)
+}