Add VersionConstraint.compatibleWith constructor
diff --git a/lib/src/version_constraint.dart b/lib/src/version_constraint.dart
index 29dd574..1b86602 100644
--- a/lib/src/version_constraint.dart
+++ b/lib/src/version_constraint.dart
@@ -25,11 +25,9 @@
///
/// This string is one of:
///
- /// * "any". See [any].
- /// * "^" followed by a version string. Versions compatible with the
- /// version number. This allows versions greater than or equal to the
- /// version, and less then the next breaking version (see
- /// [Version.nextBreaking]).
+ /// * "any". [any] version.
+ /// * "^" followed by a version string. Versions compatible with
+ /// ([VersionConstraint.compatibleWith]) the version.
/// * a series of version parts. Each part can be one of:
/// * A version string like `1.2.3`. In other words, anything that can be
/// parsed by [Version.parse()].
@@ -107,7 +105,7 @@
getCurrentTextIndex() => originalText.length - text.length;
var startTextIndex = getCurrentTextIndex();
- if(constraints.isNotEmpty || text.isNotEmpty) {
+ if (constraints.isNotEmpty || text.isNotEmpty) {
var constraint = op + originalText.substring(startTextIndex,
getCurrentTextIndex());
throw new FormatException('Cannot include other constraints with '
@@ -152,6 +150,17 @@
return new VersionConstraint.intersection(constraints);
}
+ /// Creates a version constraint which allows all versions that are
+ /// backward compatible with [version].
+ ///
+ /// Versions are considered backward compatible with [version] if they
+ /// are greater than or equal to [version], but less than the next breaking
+ /// version ([Version.nextBreaking]) of [version].
+ factory VersionConstraint.compatibleWith(Version version) {
+ return new VersionRange(min: version, includeMin: true,
+ max: version.nextBreaking);
+ }
+
/// Creates a new version constraint that is the intersection of
/// [constraints].
///
diff --git a/test/version_constraint_test.dart b/test/version_constraint_test.dart
index 16a3fdc..b58eab7 100644
--- a/test/version_constraint_test.dart
+++ b/test/version_constraint_test.dart
@@ -126,30 +126,26 @@
test('parses a "^" post-1.0.0 version', () {
var constraint = new VersionConstraint.parse('^1.2.3');
- expect(constraint, equals(new VersionRange(min: v123, includeMin: true,
- max: v123.nextBreaking)));
+ expect(constraint, equals(new VersionConstraint.compatibleWith(v123)));
});
test('parses a "^" pre-1.0.0, post-0.1.0 version', () {
var constraint = new VersionConstraint.parse('^0.7.2');
- expect(constraint, equals(new VersionRange(min: v072, includeMin: true,
- max: v072.nextBreaking)));
+ expect(constraint, equals(new VersionConstraint.compatibleWith(v072)));
});
test('parses a "^" pre-0.1.0 version', () {
var constraint = new VersionConstraint.parse('^0.0.3');
- expect(constraint, equals(new VersionRange(min: v003, includeMin: true,
- max: v003.nextBreaking)));
+ expect(constraint, equals(new VersionConstraint.compatibleWith(v003)));
});
test('parses a "^" pre-release version', () {
var constraint = new VersionConstraint.parse('^0.7.2-pre+1');
var min = new Version.parse('0.7.2-pre+1');
- expect(constraint, equals(new VersionRange(min: min, includeMin: true,
- max: min.nextBreaking)));
+ expect(constraint, equals(new VersionConstraint.compatibleWith(min)));
});
test('does not allow "^" to be mixed with other constraints', () {
@@ -177,4 +173,11 @@
}
});
});
+
+ test('compatibleWith', () {
+ var constraint = new VersionConstraint.compatibleWith(v072);
+
+ expect(constraint, equals(new VersionRange(min: v072, includeMin: true,
+ max: v072.nextBreaking)));
+ });
}
