281 lines
No EOL
9.6 KiB
Dart
281 lines
No EOL
9.6 KiB
Dart
// Copyright (c) 2021, Erik C. Thauvin. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be found
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// in the LICENSE file.
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import 'dart:io';
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import 'package:dcat/dcat.dart';
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import 'package:test/test.dart';
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import '../bin/dcat.dart' as app;
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void main() {
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const sampleBinary = 'test/test.7z';
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const sampleFile = 'test/test.txt';
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const sampleText = 'This is a test';
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const sourceFile = 'bin/dcat.dart';
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int exitCode;
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final tempDir = Directory.systemTemp.createTempSync();
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Stream<List<int>> mockStdin({String text = sampleText}) async* {
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yield text.codeUnits;
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}
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File tmpFile() =>
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File("${tempDir.path}/tmp-${DateTime.now().millisecondsSinceEpoch}.txt");
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tearDownAll(() => tempDir.delete(recursive: true));
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group('app', () {
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test('Test Help', () async {
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expect(app.main(['-h']), completion(0));
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expect(app.main(['--help']), completion(0));
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exitCode = await app.main(['-h']);
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expect(exitCode, exitSuccess);
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});
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test('Test --version', () async {
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expect(app.main(['--version']), completion(0));
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exitCode = await app.main(['--version']);
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expect(exitCode, exitSuccess);
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});
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test('Test -a', () async {
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expect(app.main(['-a']), completion(1));
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exitCode = await app.main(['-a']);
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expect(exitCode, exitFailure);
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});
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test('Test directory', () async {
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exitCode = await app.main(['bin']);
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expect(exitCode, exitFailure);
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});
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test('Test binary', () async {
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exitCode = await app.main([sampleBinary]);
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expect(exitCode, exitFailure);
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});
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test('Test missing file', () async {
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exitCode = await app.main(['foo']);
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expect(exitCode, exitFailure, reason: 'foo not found');
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exitCode = await app.main([sourceFile, 'foo']);
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expect(exitCode, exitFailure, reason: 'one missing file');
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});
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});
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group('lib', () {
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test('Test CatResult', () async {
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final result = CatResult();
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expect(result.isSuccess, true, reason: 'success by default');
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result.addMessage(exitFailure, sampleText);
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expect(result.isFailure, true, reason: 'is failure');
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expect(result.messages.first, equals(sampleText), reason: 'message is sample');
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});
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test('Test cat source', () async {
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final tmp = tmpFile();
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await cat([sourceFile], tmp.openWrite());
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final lines = await tmp.readAsLines();
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expect(lines.isEmpty, false, reason: 'log is empty');
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expect(lines.first, startsWith('// Copyright (c)'),
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reason: 'has copyright');
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expect(lines.last, equals('}'));
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});
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test('Test cat -n source', () async {
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final tmp = tmpFile();
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final result =
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await cat([sourceFile], tmp.openWrite(), showLineNumbers: true);
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expect(result.exitCode, 0, reason: 'result code is 0');
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final lines = await tmp.readAsLines();
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expect(lines.first, startsWith(' 1\t// Copyright (c)'),
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reason: 'has copyright');
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expect(lines.last, endsWith('\t}'), reason: 'last line');
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for (final line in lines) {
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expect(line, matches('^ +\\d+\t.*'), reason: 'has line number');
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}
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});
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test('Test cat source test', () async {
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final tmp = tmpFile();
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await cat([sourceFile, sampleFile], tmp.openWrite());
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final lines = await tmp.readAsLines();
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expect(lines.length, greaterThan(10), reason: 'more than 10 lines');
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expect(lines.first, startsWith('// Copyright'),
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reason: 'start with copyright');
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expect(lines.last, endsWith('✓'), reason: 'end with checkmark');
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});
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test('Test cat -E', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(), showEnds: true);
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var hasBlank = false;
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final lines = await tmp.readAsLines();
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for (var i = 0; i < lines.length - 1; i++) {
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expect(lines[i], endsWith('\$'));
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if (lines[i] == '\$') {
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hasBlank = true;
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}
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}
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expect(hasBlank, true, reason: 'has blank line');
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expect(lines.last, endsWith('✓'), reason: 'has unicode');
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});
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test('Test cat -bE', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(),
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numberNonBlank: true, showEnds: true);
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final lines = await tmp.readAsLines();
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for (var i = 0; i < lines.length - 1; i++) {
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expect(lines[i], endsWith('\$'), reason: '${lines[i]} ends with \$');
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if (lines[i] != '\$') {
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expect(lines[i], contains(RegExp(r'^ +\d+\t.*\$$')),
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reason: '${lines[i]} is valid');
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}
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}
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});
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test('Test cat -T', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(), showTabs: true);
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var hasTab = false;
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final lines = await tmp.readAsLines();
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for (final String line in lines) {
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if (line.startsWith('^I')) {
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hasTab = true;
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break;
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}
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}
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expect(hasTab, true, reason: 'has tab');
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});
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test('Test cat -s', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(), squeezeBlank: true);
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var hasSqueeze = true;
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var prevLine = 'foo';
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final lines = await tmp.readAsLines();
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for (final String line in lines) {
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if (line == prevLine) {
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hasSqueeze = false;
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}
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prevLine = line;
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}
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expect(hasSqueeze, true, reason: 'has squeeze');
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});
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test('Test cat -A', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(),
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showNonPrinting: true, showEnds: true, showTabs: true);
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final lines = await tmp.readAsLines();
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expect(lines.first, endsWith('\$'), reason: '\$ at end.');
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expect(lines.last, equals('^I^A^B^C^DU+00A9^?U+0080U+2713'),
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reason: "no last linefeed");
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});
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test('Test cat -t', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(),
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showNonPrinting: true, showTabs: true);
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final lines = await tmp.readAsLines();
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expect(lines.last, equals('^I^A^B^C^DU+00A9^?U+0080U+2713'));
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});
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test('Test cat -Abs', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(),
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showNonPrinting: true,
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showEnds: true,
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showTabs: true,
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numberNonBlank: true,
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squeezeBlank: true);
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var blankLines = 0;
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final lines = await tmp.readAsLines();
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for (final String line in lines) {
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if (line == '\$') {
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blankLines++;
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}
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}
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expect(blankLines, 2, reason: 'only 2 blank lines.');
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});
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test('Test cat -v', () async {
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final tmp = tmpFile();
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await cat([sampleFile], tmp.openWrite(), showNonPrinting: true);
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var hasTab = false;
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final lines = await tmp.readAsLines();
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for (final String line in lines) {
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if (line.contains('\t')) {
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hasTab = true;
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break;
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}
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}
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expect(hasTab, true, reason: "has real tab");
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expect(lines.last, equals('\t^A^B^C^DU+00A9^?U+0080U+2713'),
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reason: 'non-printing');
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});
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test('Test cat to file', () async {
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final tmp = tmpFile();
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final result = await cat([sampleFile], tmp.openWrite());
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expect(result.isSuccess, true, reason: 'result code is success');
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expect(result.messages.length, 0, reason: 'messages is empty');
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expect(await tmp.exists(), true, reason: 'tmp file exists');
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expect(await tmp.length(), greaterThan(0),
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reason: 'tmp file is not empty');
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var lines = await tmp.readAsLines();
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expect(lines.first, startsWith('Lorem'), reason: 'Lorem in first line');
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expect(lines.last, endsWith('✓'), reason: 'end with checkmark');
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});
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test('Test cat with file and binary', () async {
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final result = await cat([sampleFile, sampleBinary], stdout);
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expect(result.isFailure, true, reason: 'result code is failure');
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expect(result.messages.length, 1, reason: 'as one message');
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expect(result.messages.first, contains('Binary'),
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reason: 'message contains binary');
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});
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test('Test empty stdin', () async {
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final tmp = tmpFile();
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var result = await cat([], tmp.openWrite(), input: Stream.empty());
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expect(result.exitCode, exitSuccess, reason: 'cat() is successful');
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expect(result.messages.length, 0, reason: 'cat() has no message');
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result = await cat(['-'], tmp.openWrite(), input: Stream.empty());
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expect(result.exitCode, exitSuccess, reason: 'cat(-) is successful');
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expect(result.messages.length, 0, reason: 'cat(-) no message');
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});
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test('Test cat -', () async {
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var tmp = tmpFile();
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final result = await cat(['-'], tmp.openWrite(), input: mockStdin());
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expect(result.exitCode, exitSuccess, reason: 'result code is successful');
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expect(result.messages.length, 0, reason: 'no message');
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tmp = tmpFile();
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expect(await tmp.exists(), false, reason: 'tmp file does not exists');
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});
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test('Test cat()', () async {
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var tmp = tmpFile();
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await cat([], tmp.openWrite(), input: mockStdin());
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var lines = await tmp.readAsLines();
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expect(lines.first, equals(sampleText), reason: 'cat() is sample text');
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tmp = tmpFile();
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await cat([], tmp.openWrite(), input: mockStdin(text: "Line 1\nLine 2"));
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lines = await tmp.readAsLines();
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expect(lines.length, 2, reason: "two lines");
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});
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test('Test cat file -', () async {
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var tmp = tmpFile();
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await cat([sampleFile, '-'], tmp.openWrite(),
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input: mockStdin(text: '\n$sampleText'));
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var lines = await tmp.readAsLines();
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expect(lines.last, equals(sampleText));
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});
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});
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} |