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/*
This source file is part of the Swift.org open source project
Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import XCTest
import TSCTestSupport
import TSCBasic
class miscTests: XCTestCase {
func testExecutableLookup() throws {
try testWithTemporaryDirectory { path in
let pathEnv1 = path.appending(component: "pathEnv1")
try localFileSystem.createDirectory(pathEnv1)
let pathEnvClang = pathEnv1.appending(component: "clang")
try localFileSystem.writeFileContents(pathEnvClang, bytes: "")
let pathEnv = [path.appending(component: "pathEnv2"), pathEnv1]
try! Process.checkNonZeroExit(args: "chmod", "+x", pathEnvClang.pathString)
// nil and empty string should fail.
XCTAssertNil(lookupExecutablePath(filename: nil, currentWorkingDirectory: path, searchPaths: pathEnv))
XCTAssertNil(lookupExecutablePath(filename: "", currentWorkingDirectory: path, searchPaths: pathEnv))
// Absolute path to a binary should return it.
var exec = lookupExecutablePath(filename: pathEnvClang.pathString, currentWorkingDirectory: path, searchPaths: pathEnv)
XCTAssertEqual(exec, pathEnvClang)
// This should lookup from PATH variable since executable is not present in cwd.
exec = lookupExecutablePath(filename: "clang", currentWorkingDirectory: path, searchPaths: pathEnv)
XCTAssertEqual(exec, pathEnvClang)
// Create the binary relative to cwd and make it executable.
let clang = path.appending(component: "clang")
try localFileSystem.writeFileContents(clang, bytes: "")
try! Process.checkNonZeroExit(args: "chmod", "+x", clang.pathString)
// We should now find clang which is in cwd.
exec = lookupExecutablePath(filename: "clang", currentWorkingDirectory: path, searchPaths: pathEnv)
XCTAssertEqual(exec, clang)
}
}
func testEnvSearchPaths() throws {
let cwd = AbsolutePath("/dummy")
let paths = getEnvSearchPaths(pathString: "something:.:abc/../.build/debug:/usr/bin:/bin/", currentWorkingDirectory: cwd)
XCTAssertEqual(paths, try ["/dummy/something", "/dummy", "/dummy/.build/debug", "/usr/bin", "/bin"].map({ try AbsolutePath(validating: $0)}))
}
func testEmptyEnvSearchPaths() throws {
let cwd = AbsolutePath("/dummy")
let paths = getEnvSearchPaths(pathString: "", currentWorkingDirectory: cwd)
XCTAssertEqual(paths, [])
let nilPaths = getEnvSearchPaths(pathString: nil, currentWorkingDirectory: cwd)
XCTAssertEqual(nilPaths, [])
}
}
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