Brendan Szymanski
1330f2bd25
Extracted from gtk-swift monorepo. Previous history contains 38 commits across the full Phase 1 development including GIR XML parsing, IR model, analysis engine, code generation, CLI, plugins, and documentation.
41 lines
1.3 KiB
Swift
41 lines
1.3 KiB
Swift
import Testing
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import Foundation
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@Test("CLI produces help output")
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func testCLIHelp() throws {
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let process = Process()
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let binPath = findBinary() ?? failBinaryNotFound()
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process.executableURL = binPath
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process.arguments = ["--help"]
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let output = try process.runAndCapture()
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#expect(output.contains("Usage:"))
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#expect(output.contains("--library"))
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#expect(output.contains("--output"))
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}
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private func findBinary() -> URL? {
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let candidates = [
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URL(fileURLWithPath: ".build/debug/swift-gtk-gen"),
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URL(fileURLWithPath: "generator/.build/debug/swift-gtk-gen"),
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URL(fileURLWithPath: ".build/release/swift-gtk-gen"),
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URL(fileURLWithPath: "generator/.build/release/swift-gtk-gen"),
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]
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return candidates.first { FileManager.default.fileExists(atPath: $0.path) }
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}
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private func failBinaryNotFound() -> URL {
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Issue.record("swift-gtk-gen binary not found at any expected path")
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return URL(fileURLWithPath: "/nonexistent")
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}
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extension Process {
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func runAndCapture() throws -> String {
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let stdout = Pipe()
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standardOutput = stdout
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standardError = Pipe()
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try run()
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waitUntilExit()
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let data = stdout.fileHandleForReading.readDataToEndOfFile()
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return String(data: data, encoding: .utf8) ?? ""
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}
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}
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