95 lines
2.7 KiB
Dart
95 lines
2.7 KiB
Dart
import 'package:belatuk_range_header/belatuk_range_header.dart';
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import 'package:test/test.dart';
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final Matcher throwsRangeParseException =
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throwsA(const TypeMatcher<RangeHeaderParseException>());
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final Matcher throwsInvalidRangeHeaderException =
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throwsA(const TypeMatcher<InvalidRangeHeaderException>());
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void main() {
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group('one item', () {
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test('start and end', () {
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var r = RangeHeader.parse('bytes 1-200');
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expect(r.items, hasLength(1));
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expect(r.items.first.start, 1);
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expect(r.items.first.end, 200);
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});
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test('start only', () {
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var r = RangeHeader.parse('bytes 1-');
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expect(r.items, hasLength(1));
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expect(r.items.first.start, 1);
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expect(r.items.first.end, -1);
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});
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test('end only', () {
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var r = RangeHeader.parse('bytes -200');
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print(r.items);
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expect(r.items, hasLength(1));
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expect(r.items.first.start, -1);
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expect(r.items.first.end, 200);
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});
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});
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group('multiple items', () {
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test('three items', () {
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var r = RangeHeader.parse('bytes 1-20, 21-40, 41-60');
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print(r.items);
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expect(r.items, hasLength(3));
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expect(r.items[0].start, 1);
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expect(r.items[0].end, 20);
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expect(r.items[1].start, 21);
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expect(r.items[1].end, 40);
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expect(r.items[2].start, 41);
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expect(r.items[2].end, 60);
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});
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test('one item without end', () {
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var r = RangeHeader.parse('bytes 1-20, 21-');
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print(r.items);
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expect(r.items, hasLength(2));
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expect(r.items[0].start, 1);
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expect(r.items[0].end, 20);
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expect(r.items[1].start, 21);
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expect(r.items[1].end, -1);
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});
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});
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group('failures', () {
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test('no start with no end', () {
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expect(() => RangeHeader.parse('-'), throwsInvalidRangeHeaderException);
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});
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});
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group('exceptions', () {
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test('invalid character', () {
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expect(() => RangeHeader.parse('!!!'), throwsRangeParseException);
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});
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test('no ranges', () {
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expect(() => RangeHeader.parse('bytes'), throwsRangeParseException);
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});
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test('no dash after int', () {
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expect(() => RangeHeader.parse('bytes 3'), throwsRangeParseException);
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expect(() => RangeHeader.parse('bytes 3,'), throwsRangeParseException);
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expect(() => RangeHeader.parse('bytes 3 24'), throwsRangeParseException);
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});
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test('no int after dash', () {
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expect(() => RangeHeader.parse('bytes -,'), throwsRangeParseException);
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});
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});
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group('complete coverage', () {
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test('exception toString()', () {
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var m = RangeHeaderParseException('hey');
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expect(m.toString(), contains('hey'));
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});
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});
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test('content-range', () {
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expect(RangeHeader.parse('bytes 1-2').items[0].toContentRange(3), '1-2/3');
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});
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}
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