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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 Foundation
import XCTest
import TSCBasic
import TSCTestSupport
class ProcessEnvTests: XCTestCase {
func testEnvVars() throws {
let key = "SWIFTPM_TEST_FOO"
XCTAssertEqual(ProcessEnv.vars[key], nil)
try ProcessEnv.setVar(key, value: "BAR")
XCTAssertEqual(ProcessEnv.vars[key], "BAR")
try ProcessEnv.unsetVar(key)
XCTAssertEqual(ProcessEnv.vars[key], nil)
}
func testChdir() throws {
try testWithTemporaryDirectory { tmpdir in
let path = try resolveSymlinks(tmpdir)
try ProcessEnv.chdir(path)
XCTAssertEqual(ProcessEnv.cwd, path)
}
}
func testWithCustomEnv() throws {
enum CustomEnvError: Swift.Error {
case someError
}
let key = "XCTEST_TEST"
let value = "TEST"
XCTAssertNil(ProcessEnv.vars[key])
try withCustomEnv([key: value]) {
XCTAssertEqual(value, ProcessEnv.vars[key])
}
XCTAssertNil(ProcessEnv.vars[key])
do {
try withCustomEnv([key: value]) {
XCTAssertEqual(value, ProcessEnv.vars[key])
throw CustomEnvError.someError
}
} catch CustomEnvError.someError {
} catch {
XCTFail("Incorrect error thrown")
}
XCTAssertNil(ProcessEnv.vars[key])
}
func testEnvironmentKeys() throws {
XCTAssertEqual(ProcessEnvironmentKey("Key"), "Key")
#if os(Windows)
XCTAssertEqual(ProcessEnvironmentKey("Key"), "KEY")
#else
XCTAssertNotEqual(ProcessEnvironmentKey("Key"), "KEY")
#endif
}
func testEnvironmentKeysCodable() throws {
let encoder = JSONEncoder()
let json = try encoder.encode(ProcessEnvironmentKey("foo"))
XCTAssertEqual(String(decoding: json, as: UTF8.self), #""foo""#)
let decoder = JSONDecoder()
let result = try decoder.decode(ProcessEnvironmentKey.self, from: json)
XCTAssertEqual(result, ProcessEnvironmentKey("foo"))
}
}
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