Support LICENCE

Sources/LicenseCheckerModule/PackageParser.swift

@@ -35,7 +35,8 @@ public struct PackageParser {
         let _licenseURL = contents.map { content in
             return dirURL.appendingPathComponent(content)
         }.filter { contentURL in
-            if contentURL.lastPathComponent.lowercased().hasPrefix("license") {
+            let fileName = contentURL.deletingPathExtension().lastPathComponent.lowercased()
+            if ["license", "licence"].contains(fileName) {
                 var isDiractory: ObjCBool = false
                 fm.fileExists(atPath: contentURL.path, isDirectory: &isDiractory)
                 return isDiractory.boolValue == false

Sources/TestResources/Resources/SourcePackagesLICENCE/checkouts/mit-package/LICENCE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 20XX Developer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Tests/LicenseCheckerModuleTests/PackageParserTests.swift

@@ -82,6 +82,20 @@ final class PackageParserTests: XCTestCase {
         XCTAssertEqual(sut, [expect])
     }
 
+    func test_extractLicence() throws {
+        let jsonPath = "SourcePackagesUnknown/workspace-state"
+        let jsonURL = try XCTUnwrap(testResources.getJsonUrl(jsonPath))
+        let packageParser = try XCTUnwrap(PackageParser(url: jsonURL))
+
+        let resourceURL = try XCTUnwrap(testResources.resourceURL)
+        let dirURL = resourceURL.appendingPathComponent("SourcePackagesLICENCE")
+            .appendingPathComponent("checkouts")
+            .appendingPathComponent("mit-package")
+
+        let sut = packageParser.extractLicense(dirURL: dirURL)
+        XCTAssertEqual(sut, LicenseType.mit)
+    }
+
     // BSD
     func test_extractLicense_bsd() throws {
         let jsonPath = "SourcePackagesUnknown/workspace-state"