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moh-hassanmoh-hassan
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Merge branch 'joseangelmt-develop' into develop (#390)
2 parents 746885a + e66cee7 commit cab1103

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‎src/CommandLine/ParserResultExtensionsAsync.cs

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// Copyright 2005-2015 Giacomo Stelluti Scala & Contributors. All rights reserved. See License.md in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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namespace CommandLine
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{
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public static partial class ParserResultExtensions
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{
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/// <summary>
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/// Executes asynchronously <paramref name="action"/> if <see cref="CommandLine.ParserResult{T}"/> contains
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/// parsed values.
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/// </summary>
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/// <typeparam name="T">Type of the target instance built with parsed value.</typeparam>
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/// <param name="result">An <see cref="CommandLine.ParserResult{T}"/> instance.</param>
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/// <param name="action">The <see cref="Func{T, Task}"/> to execute.</param>
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/// <returns>The same <paramref name="result"/> instance as a <see cref="Task"/> instance.</returns>
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public static async Task<ParserResult<T>> WithParsedAsync<T>(this ParserResult<T> result, Func<T, Task> action)
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{
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if (result is Parsed<T> parsed)
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{
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await action(parsed.Value);
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}
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return result;
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}
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/// <summary>
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/// Executes asynchronously <paramref name="action"/> if parsed values are of <typeparamref name="T"/>.
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/// </summary>
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/// <typeparam name="T">Type of the target instance built with parsed value.</typeparam>
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/// <param name="result">An verb result instance.</param>
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/// <param name="action">The <see cref="Func{T, Task}"/> to execute.</param>
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/// <returns>The same <paramref name="result"/> instance as a <see cref="Task"/> instance.</returns>
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public static async Task<ParserResult<object>> WithParsedAsync<T>(this ParserResult<object> result, Func<T, Task> action)
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{
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if (result is Parsed<object> parsed)
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{
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if (parsed.Value is T value)
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{
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await action(value);
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}
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}
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return result;
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}
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/// <summary>
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/// Executes asynchronously <paramref name="action"/> if <see cref="CommandLine.ParserResult{T}"/> lacks
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/// parsed values and contains errors.
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/// </summary>
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/// <typeparam name="T">Type of the target instance built with parsed value.</typeparam>
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/// <param name="result">An <see cref="CommandLine.ParserResult{T}"/> instance.</param>
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/// <param name="action">The <see cref="System.Func{Task}"/> delegate to execute.</param>
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/// <returns>The same <paramref name="result"/> instance as a <see cref="Task"/> instance.</returns>
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public static async Task<ParserResult<T>> WithNotParsedAsync<T>(this ParserResult<T> result, Func<IEnumerable<Error>, Task> action)
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{
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if (result is NotParsed<T> notParsed)
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{
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await action(notParsed.Errors);
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}
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return result;
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}
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}
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}

‎tests/CommandLine.Tests/Unit/ParserResultExtensionsTests.cs

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using Xunit;
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using FluentAssertions;
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using CommandLine.Tests.Fakes;
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using System.Threading.Tasks;
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namespace CommandLine.Tests.Unit
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{
@@ -19,6 +20,16 @@ public static void Invoke_parsed_lambda_when_parsed()
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"value".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_parsed_lambda_when_parsedAsync()
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{
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var expected = string.Empty;
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await Parser.Default.ParseArguments<Simple_Options>(new[] { "--stringvalue", "value" })
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.WithParsedAsync(opts => Task.Run(() => expected = opts.StringValue));
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"value".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Invoke_parsed_lambda_when_parsed_for_verbs()
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{
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"https://value.org/user/file.git".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_parsed_lambda_when_parsed_for_verbsAsync()
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{
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var expected = string.Empty;
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var parsedArguments = Parser.Default.ParseArguments<Add_Verb, Commit_Verb, Clone_Verb>(
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new[] { "clone", "https://value.org/user/file.git" });
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await parsedArguments.WithParsedAsync<Add_Verb>(opts => Task.Run(() => expected = "wrong1"));
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await parsedArguments.WithParsedAsync<Commit_Verb>(opts => Task.Run(() => expected = "wrong2"));
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await parsedArguments.WithParsedAsync<Clone_Verb>(opts => Task.Run(() => expected = opts.Urls.First()));
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"https://value.org/user/file.git".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Invoke_not_parsed_lambda_when_not_parsed()
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{
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_not_parsed_lambda_when_not_parsedAsync()
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{
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var expected = "a default";
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await Parser.Default.ParseArguments<Simple_Options>(new[] { "-i", "aaa" })
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.WithNotParsedAsync(_ => Task.Run(() => expected = "changed"));
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Invoke_not_parsed_lambda_when_parsed_for_verbs()
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{
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_not_parsed_lambda_when_parsed_for_verbsAsync()
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{
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var expected = "a default";
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var parsedArguments = Parser.Default.ParseArguments<Add_Verb, Commit_Verb, Clone_Verb>(new[] { "undefined", "-xyz" });
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await parsedArguments.WithParsedAsync<Add_Verb>(opts => Task.Run(() => expected = "wrong1"));
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await parsedArguments.WithParsedAsync<Commit_Verb>(opts => Task.Run(() => expected = "wrong2"));
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await parsedArguments.WithParsedAsync<Clone_Verb>(opts => Task.Run(() => expected = "wrong3"));
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await parsedArguments.WithNotParsedAsync(_ => Task.Run(() => expected = "changed"));
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Invoke_proper_lambda_when_parsed()
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{
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"value".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_proper_lambda_when_parsedAsync()
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{
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var expected = string.Empty;
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var parsedArguments = Parser.Default.ParseArguments<Simple_Options>(new[] { "--stringvalue", "value" });
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await parsedArguments.WithParsedAsync(opts => Task.Run(() => expected = opts.StringValue));
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await parsedArguments.WithNotParsedAsync(_ => Task.Run(() => expected = "changed"));
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"value".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Invoke_proper_lambda_when_not_parsed()
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{
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_proper_lambda_when_not_parsedAsync()
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{
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var expected = "a default";
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var parsedArguments = Parser.Default.ParseArguments<Simple_Options>(new[] { "-i", "aaa" });
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await parsedArguments.WithParsedAsync(opts => Task.Run(() => expected = opts.StringValue));
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await parsedArguments.WithNotParsedAsync(_ => Task.Run(() => expected = "changed"));
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"changed".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Turn_sucessful_parsing_into_exit_code()
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{
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"dummy.bin".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static async Task Invoke_parsed_lambda_when_parsed_for_base_verbsAsync()
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{
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var expected = string.Empty;
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var parsedArguments = Parser.Default.ParseArguments<Add_Verb, Commit_Verb, Clone_Verb, Derived_Verb>(
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new[] { "derivedadd", "dummy.bin" });
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await parsedArguments.WithParsedAsync<Add_Verb>(opts => Task.Run(() => expected = "wrong1"));
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await parsedArguments.WithParsedAsync<Commit_Verb>(opts => Task.Run(() => expected = "wrong2"));
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await parsedArguments.WithParsedAsync<Clone_Verb>(opts => Task.Run(() => expected = "wrong3"));
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await parsedArguments.WithParsedAsync<Base_Class_For_Verb>(opts => Task.Run(() => expected = opts.FileName));
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"dummy.bin".Should().BeEquivalentTo(expected);
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}
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[Fact]
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public static void Turn_sucessful_parsing_into_exit_code_for_single_base_verbs()
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{

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