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Sep 25, 2025
Merged

Test for known license range matches. #1483

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5d7bf9b
Test for known license range matches.
isoos Sep 24, 2025
820e35a
issues
isoos Sep 25, 2025
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5 changes: 3 additions & 2 deletions lib/src/license_detection/license_detector.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,8 @@ const _defaultSpdxLicenseDir = 'lib/src/third_party/spdx/licenses';

// Load corpus licenses.
List<License>? _cachedLicenses;
Future<List<License>> _getDefaultLicenses() async {
@visibleForTesting
Future<List<License>> listDefaultLicenses() async {
if (_cachedLicenses == null) {
final uri = await Isolate.resolvePackageUri(
Uri.parse(_defaultSpdxLicenseDir.replaceFirst('lib/', 'package:pana/')),
Expand Down Expand Up @@ -69,7 +70,7 @@ Future<Result> detectLicense(String text, double threshold) async {

final possibleLicenses = filter(
unknownLicense.tokenFrequency,
await _getDefaultLicenses(),
await listDefaultLicenses(),
).map((e) => LicenseWithNGrams.parse(e, granularity));
var result = <LicenseMatch>[];

Expand Down
226 changes: 226 additions & 0 deletions test/licenses/license_coverage_test.dart
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Original file line number Diff line number Diff line change
@@ -0,0 +1,226 @@
// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:pana/src/license.dart';
import 'package:pana/src/license_detection/license_detector.dart';
import 'package:test/test.dart';

void main() {
group('License coverage', () {
test('Coverage of all reference text', () async {
final allLicenses = await listDefaultLicenses();
expect(allLicenses, hasLength(greaterThan(30)));
for (final license in allLicenses) {
final detected = await detectLicenseInContent(
license.content,
relativePath: 'LICENSE',
);
// TODO: fix detection and return at least one match (https://github.com/dart-lang/pana/issues/1484)
if (license.identifier == 'SSH-OpenSSH') {
continue;
}
final match = detected
.where((l) => l.spdxIdentifier == license.identifier)
.single;

// TODO: fix coverage calculation as 1:1 matches shouldn't have too many ranges (https://github.com/dart-lang/pana/issues/1481)
final excessiveLicenses = [
'AFL-2.0',
'AFL-2.1',
'AFL-3.0',
'AGPL-1.0',
'AGPL-3.0',
'AGPL-3.0',
'APL-1.0',
'APSL-1.0',
'APSL-1.1',
'APSL-1.2',
'APSL-2.0',
'Aladdin',
'Apache-2.0',
'Apache-2.0',
'Arphic-1999',
'Artistic-1.0',
'Artistic-1.0-Perl',
'Artistic-1.0-cl8',
'Artistic-2.0',
'BSD-Protection',
'BitTorrent-1.0',
'BitTorrent-1.1',
'CAL-1.0-Combined-Work-Exception',
'CC-BY-1.0',
'CC-BY-2.0',
'CC-BY-2.5',
'CC-BY-2.5-AU',
'CC-BY-3.0',
'CC-BY-3.0-AT',
'CC-BY-3.0-DE',
'CC-BY-3.0-NL',
'CC-BY-3.0-US',
'CC-BY-4.0',
'CC-BY-NC-1.0',
'CC-BY-NC-2.0',
'CC-BY-NC-2.5',
'CC-BY-NC-3.0',
'CC-BY-NC-3.0-DE',
'CC-BY-NC-4.0',
'CC-BY-NC-ND-1.0',
'CC-BY-NC-ND-2.0',
'CC-BY-NC-ND-2.5',
'CC-BY-NC-ND-3.0',
'CC-BY-NC-ND-3.0-DE',
'CC-BY-NC-ND-3.0-IGO',
'CC-BY-NC-ND-4.0',
'CC-BY-NC-SA-1.0',
'CC-BY-NC-SA-2.0',
'CC-BY-NC-SA-2.0-FR',
'CC-BY-NC-SA-2.0-UK',
'CC-BY-NC-SA-2.5',
'CC-BY-NC-SA-3.0',
'CC-BY-NC-SA-3.0-DE',
'CC-BY-NC-SA-3.0-IGO',
'CC-BY-NC-SA-4.0',
'CC-BY-ND-1.0',
'CC-BY-ND-2.0',
'CC-BY-ND-2.5',
'CC-BY-ND-3.0',
'CC-BY-ND-3.0-DE',
'CC-BY-ND-4.0',
'CC-BY-SA-1.0',
'CC-BY-SA-2.0',
'CC-BY-SA-2.0-UK',
'CC-BY-SA-2.5',
'CC-BY-SA-3.0',
'CC-BY-SA-3.0-AT',
'CC-BY-SA-3.0-DE',
'CC-BY-SA-4.0',
'CDDL-1.0',
'CDDL-1.1',
'CDL-1.0',
'CDLA-Permissive-1.0',
'CDLA-Sharing-1.0',
'CECILL-1.0',
'CECILL-1.1',
'CECILL-2.1',
'CERN-OHL-1.2',
'CERN-OHL-S-2.0',
'CERN-OHL-W-2.0',
'CPAL-1.0',
'CPL-1.0',
'CPOL-1.02',
'CUA-OPL-1.0',
'ClArtistic',
'Community-Spec-1.0',
'D-FSL-1.0',
'DL-DE-BY-2.0',
'ECL-2.0',
'ECL-2.0',
'EPL-1.0',
'EPL-2.0',
'EUPL-1.0',
'EUPL-1.2',
'ErlPL-1.1',
'FTL',
'Frameworx-1.0',
'FreeImage',
'GFDL-1.1',
'GFDL-1.2',
'GFDL-1.3',
'GPL-1.0',
'GPL-2.0',
'GPL-2.0',
'GPL-3.0',
'GPL-3.0',
'Glide',
'IPA',
'IPL-1.0',
'Interbase-1.0',
'LAL-1.2',
'LAL-1.3',
'LGPL-2.0',
'LGPL-2.0',
'LGPL-2.1',
'LGPL-2.1',
'LGPL-3.0',
'LGPLLR',
'LGPLLR',
'LPL-1.0',
'LPL-1.02',
'LPPL-1.0',
'LPPL-1.1',
'LPPL-1.2',
'LPPL-1.3a',
'LPPL-1.3c',
'LiLiQ-P-1.1',
'LiLiQ-R-1.1',
'LiLiQ-Rplus-1.1',
'MPL-1.0',
'MPL-1.1',
'MPL-2.0',
'Motosoto',
'MulanPSL-1.0',
'MulanPSL-2.0',
'NASA-1.3',
'NBPL-1.0',
'NOSL',
'NPL-1.0',
'NPL-1.1',
'NPOSL-3.0',
'Nokia',
'OCCT-PL',
'ODC-By-1.0',
'ODbL-1.0',
'OGDL-Taiwan-1.0',
'OLDAP-1.1',
'OLDAP-1.2',
'OLDAP-1.3',
'OLDAP-1.4',
'OPL-1.0',
'OPUBL-1.0',
'OSET-PL-2.1',
'OSL-1.0',
'OSL-1.1',
'OSL-2.0',
'OSL-2.1',
'OSL-3.0',
'PDDL-1.0',
'Parity-7.0.0',
'Python-2.0',
'RHeCos-1.1',
'RPL-1.1',
'RPL-1.5',
'RPSL-1.0',
'RSCPL',
'SCEA',
'SGI-B-1.0',
'SGI-B-1.1',
'SHL-0.5',
'SHL-0.5',
'SHL-0.51',
'SHL-0.51',
'SISSL',
'SNIA',
'SPL-1.0',
'SSPL-1.0',
'SSPL-1.0',
'Sendmail',
'Sendmail-8.23',
'SugarCRM-1.1.3',
'TAPR-OHL-1.0',
'UCL-1.0',
'Unicode-TOU',
'Watcom-1.0',
'copyleft-next-0.3.0',
'copyleft-next-0.3.1',
'etalab-2.0',
'gSOAP-1.3b',
];
if (excessiveLicenses.contains(license.identifier)) {
continue;
}
expect(match.range!.coverages, hasLength(lessThan(50)));
}
});
});
}
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