from: github.com/remko/age-plugin-se

Tests/CLITests.swift

@@ -0,0 +1,49 @@
+import XCTest
+
+@testable import age_plugin_se
+
+final class OptionsTests: XCTestCase {
+  func testParse_NoArguments() throws {
+    let options = try Options.parse(["_"])
+    XCTAssertEqual(.help, options.command)
+  }
+
+  func testParse_CommandWithHelp() throws {
+    let options = try Options.parse(["_", "keygen", "--help"])
+    XCTAssertEqual(.help, options.command)
+  }
+
+  func testParse_CommandWithVersion() throws {
+    let options = try Options.parse(["_", "keygen", "--version"])
+    XCTAssertEqual(.version, options.command)
+  }
+
+  func testParse_Keygen() throws {
+    let options = try Options.parse(["_", "keygen", "--access-control=any-biometry"])
+    XCTAssertEqual(.keygen, options.command)
+    XCTAssertEqual(.anyBiometry, options.accessControl)
+  }
+
+  func testParse_AgePlugin() throws {
+    let options = try Options.parse(["_", "keygen", "--age-plugin=identity-v1"])
+    XCTAssertEqual(.plugin(.identityV1), options.command)
+  }
+
+  func testParse_LongOptionWithEqual() throws {
+    let options = try Options.parse(["_", "keygen", "--output=foo.txt"])
+    XCTAssertEqual(.keygen, options.command)
+    XCTAssertEqual("foo.txt", options.output)
+  }
+
+  func testParse_LongOptionWithoutEqual() throws {
+    let options = try Options.parse(["_", "keygen", "--output", "foo.txt"])
+    XCTAssertEqual(.keygen, options.command)
+    XCTAssertEqual("foo.txt", options.output)
+  }
+
+  func testParse_LongOptionWithoutValue() throws {
+    XCTAssertThrowsError(try Options.parse(["_", "keygen", "--output"])) { error in
+      XCTAssertEqual(Options.Error.missingValue("--output"), error as! Options.Error)
+    }
+  }
+}