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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import LanguageServerProtocol
import SKTestSupport
import XCTest
final class DependencyTrackingTests: XCTestCase {
func testDependenciesUpdatedSwift() async throws {
let project = try await SwiftPMTestProject(
files: [
"LibA/LibA.swift": """
public func aaa() {}
""",
"LibB/LibB.swift": """
import LibA
public func bbb() {
aaa()
}
""",
],
manifest: """
let package = Package(
name: "MyLibrary",
targets: [
.target(name: "LibA"),
.target(name: "LibB", dependencies: ["LibA"]),
]
)
""",
usePullDiagnostics: false
)
let (libBUri, _) = try project.openDocument("LibB.swift")
let initialDiags = try await project.testClient.nextDiagnosticsNotification()
// Semantic analysis: expect module import error.
XCTAssertEqual(initialDiags.diagnostics.count, 1)
if let diagnostic = initialDiags.diagnostics.first {
#if compiler(>=6.1)
#warning("When we drop support for Swift 5.10 we no longer need to check for the Objective-C error message")
#endif
XCTAssert(
diagnostic.message.contains("Could not build Objective-C module")
|| diagnostic.message.contains("No such module"),
"expected module import error but found \"\(diagnostic.message)\""
)
}
try await SwiftPMTestProject.build(at: project.scratchDirectory)
await project.testClient.server.filesDependenciesUpdated([libBUri])
let updatedDiags = try await project.testClient.nextDiagnosticsNotification()
// Semantic analysis: no more errors expected, import should resolve since we built.
XCTAssertEqual(updatedDiags.diagnostics.count, 0)
}
func testDependenciesUpdatedCXX() async throws {
let project = try await MultiFileTestProject(
files: [
"lib.c": """
int libX(int value) {
return value ? 22 : 0;
}
""",
"main.c": """
#include "lib-generated.h"
int main(int argc, const char *argv[]) {
return libX(argc);
}
""",
"compile_flags.txt": "",
],
usePullDiagnostics: false
)
let generatedHeaderURL = try project.uri(for: "main.c").fileURL!.deletingLastPathComponent()
.appendingPathComponent("lib-generated.h", isDirectory: false)
// Write an empty header file first since clangd doesn't handle missing header
// files without a recently upstreamed extension.
try "".write(to: generatedHeaderURL, atomically: true, encoding: .utf8)
let (mainUri, _) = try project.openDocument("main.c")
let openDiags = try await project.testClient.nextDiagnosticsNotification()
// Expect one error:
// - Implicit declaration of function invalid
XCTAssertEqual(openDiags.diagnostics.count, 1)
// Update the header file to have the proper contents for our code to build.
let contents = "int libX(int value);"
try contents.write(to: generatedHeaderURL, atomically: true, encoding: .utf8)
await project.testClient.server.filesDependenciesUpdated([mainUri])
let updatedDiags = try await project.testClient.nextDiagnosticsNotification()
// No more errors expected, import should resolve since we the generated header file
// now has the proper contents.
XCTAssertEqual(updatedDiags.diagnostics.count, 0)
}
}
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