Basic automated tests through the CLI

.github/workflows/CI.yml

@@ -20,6 +20,14 @@ jobs:
         with:
           dotnet-version: 5.0.x
 
+      - name: Build & test
+        run: dotnet test --configuration Release --logger GitHubActions
+
+      - name: Upload coverage
+        uses: codecov/codecov-action@v1.0.5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
       - name: Build & publish (CLI)
         run: dotnet publish DiscordChatExporter.Cli/ -o DiscordChatExporter.Cli/bin/Publish/ --configuration Release
 
@@ -36,4 +44,4 @@ jobs:
         uses: actions/upload-artifact@v1
         with:
           name: DiscordChatExporter
-          path: DiscordChatExporter.Gui/bin/Publish/
+          path: DiscordChatExporter.Gui/bin/Publish/

.gitignore

@@ -19,4 +19,7 @@ bld/
 [Oo]bj/
 
 # Coverage
-*.opencover.xml
+*.opencover.xml
+
+# Secrets
+*.secret

DiscordChatExporter.Cli.Tests/DiscordChatExporter.Cli.Tests.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+    <CollectCoverage>true</CollectCoverage>
+    <CoverletOutputFormat>opencover</CoverletOutputFormat>
+  </PropertyGroup>
+  
+  <ItemGroup>
+    <Content Include="xunit.runner.json" CopyToOutputDirectory="PreserveNewest" />
+    <None Include="*.secret" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <PackageReference Include="AngleSharp" Version="0.16.0" />
+    <PackageReference Include="FluentAssertions" Version="5.10.3" />
+    <PackageReference Include="GitHubActionsTestLogger" Version="1.2.0" />
+    <PackageReference Include="JsonExtensions" Version="1.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
+    <PackageReference Include="coverlet.msbuild" Version="3.0.3" PrivateAssets="all" />
+    <PackageReference Include="System.Reactive" Version="5.0.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" PrivateAssets="all" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DiscordChatExporter.Cli\DiscordChatExporter.Cli.csproj" />
+  </ItemGroup>
+
+</Project>

DiscordChatExporter.Cli.Tests/Fixtures/TempOutputFixture.cs

@@ -0,0 +1,25 @@
+using System;
+using System.IO;
+
+namespace DiscordChatExporter.Cli.Tests.Fixtures
+{
+    public class TempOutputFixture : IDisposable
+    {
+        public string DirPath => Path.Combine(
+            Path.GetDirectoryName(typeof(TempOutputFixture).Assembly.Location) ?? Directory.GetCurrentDirectory(),
+            "Temp"
+        );
+
+        public TempOutputFixture() => Directory.CreateDirectory(DirPath);
+
+        public string GetTempFilePath(string fileName) => Path.Combine(DirPath, fileName);
+
+        public string GetTempFilePath() => GetTempFilePath(Guid.NewGuid().ToString());
+
+        public void Dispose()
+        {
+            if (Directory.Exists(DirPath))
+                Directory.Delete(DirPath, true);
+        }
+    }
+}

DiscordChatExporter.Cli.Tests/Infra/Secrets.cs

@@ -0,0 +1,39 @@
+using System;
+using System.IO;
+
+namespace DiscordChatExporter.Cli.Tests.Infra
+{
+    public static class Secrets
+    {
+        private static readonly Lazy<string> DiscordTokenLazy = new(() =>
+        {
+            var fromEnvironment = Environment.GetEnvironmentVariable("DISCORD_TOKEN");
+            if (!string.IsNullOrWhiteSpace(fromEnvironment))
+                return fromEnvironment;
+
+            var secretFilePath = Path.Combine(
+                Path.GetDirectoryName(typeof(Secrets).Assembly.Location) ?? Directory.GetCurrentDirectory(),
+                "DiscordToken.secret"
+            );
+
+            if (File.Exists(secretFilePath))
+                return File.ReadAllText(secretFilePath);
+
+            throw new InvalidOperationException("Discord token not provided for tests.");
+        });
+
+        private static readonly Lazy<bool> IsDiscordTokenBotLazy = new(() =>
+        {
+            // Default to true
+            var fromEnvironment = Environment.GetEnvironmentVariable("DISCORD_TOKEN_BOT");
+            if (string.IsNullOrWhiteSpace(fromEnvironment))
+                return true;
+
+            return string.Equals(fromEnvironment, "true", StringComparison.OrdinalIgnoreCase);
+        });
+
+        public static string DiscordToken => DiscordTokenLazy.Value;
+
+        public static bool IsDiscordTokenBot => IsDiscordTokenBotLazy.Value;
+    }
+}

DiscordChatExporter.Cli.Tests/MentionSpecs.cs

@@ -0,0 +1,304 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using AngleSharp.Dom;
+using CliFx.Infrastructure;
+using DiscordChatExporter.Cli.Commands;
+using DiscordChatExporter.Cli.Tests.Fixtures;
+using DiscordChatExporter.Cli.Tests.Infra;
+using DiscordChatExporter.Cli.Tests.TestData;
+using DiscordChatExporter.Cli.Tests.Utils;
+using DiscordChatExporter.Core.Discord;
+using DiscordChatExporter.Core.Exporting;
+using FluentAssertions;
+using JsonExtensions;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace DiscordChatExporter.Cli.Tests
+{
+    public class MentionSpecs : IClassFixture<TempOutputFixture>
+    {
+        private readonly ITestOutputHelper _testOutput;
+        private readonly TempOutputFixture _tempOutput;
+
+        public MentionSpecs(ITestOutputHelper testOutput, TempOutputFixture tempOutput)
+        {
+            _testOutput = testOutput;
+            _tempOutput = tempOutput;
+        }
+
+        [Fact]
+        public async Task User_mention_is_rendered_correctly_in_JSON()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "json");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.Json,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var jsonData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(jsonData);
+
+            var json = Json.Parse(jsonData);
+
+            var messageJson = json
+                .GetProperty("messages")
+                .EnumerateArray()
+                .Single(j => string.Equals(
+                    j.GetProperty("id").GetString(),
+                    "866458840245076028",
+                    StringComparison.OrdinalIgnoreCase
+                ));
+
+            var content = messageJson
+                .GetProperty("content")
+                .GetString();
+
+            var mentionedUserIds = messageJson
+                .GetProperty("mentions")
+                .EnumerateArray()
+                .Select(j => j.GetProperty("id").GetString())
+                .ToArray();
+
+            // Assert
+            content.Should().Be("User mention: @Tyrrrz");
+            mentionedUserIds.Should().Contain("128178626683338752");
+        }
+
+        [Fact]
+        public async Task User_mention_is_rendered_correctly_in_HTML()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "html");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.HtmlDark,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var htmlData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(htmlData);
+
+            var html = Html.Parse(htmlData);
+
+            var messageHtml = html.GetElementById("message-866458840245076028");
+
+            // Assert
+            messageHtml.Should().NotBeNull();
+            messageHtml?.Text().Trim().Should().Be("User mention: @Tyrrrz");
+            messageHtml?.InnerHtml.Should().Contain("Tyrrrz#5447");
+        }
+
+        [Fact]
+        public async Task Text_channel_mention_is_rendered_correctly_in_JSON()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "json");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.Json,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var jsonData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(jsonData);
+
+            var json = Json.Parse(jsonData);
+
+            var messageJson = json
+                .GetProperty("messages")
+                .EnumerateArray()
+                .Single(j => string.Equals(
+                    j.GetProperty("id").GetString(),
+                    "866459040480624680",
+                    StringComparison.OrdinalIgnoreCase
+                ));
+
+            var content = messageJson
+                .GetProperty("content")
+                .GetString();
+
+            // Assert
+            content.Should().Be("Text channel mention: #mention-tests");
+        }
+
+        [Fact]
+        public async Task Text_channel_mention_is_rendered_correctly_in_HTML()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "html");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.HtmlDark,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var htmlData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(htmlData);
+
+            var html = Html.Parse(htmlData);
+
+            var messageHtml = html.GetElementById("message-866459040480624680");
+
+            // Assert
+            messageHtml.Should().NotBeNull();
+            messageHtml?.Text().Trim().Should().Be("Text channel mention: #mention-tests");
+        }
+
+        [Fact]
+        public async Task Voice_channel_mention_is_rendered_correctly_in_JSON()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "json");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.Json,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var jsonData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(jsonData);
+
+            var json = Json.Parse(jsonData);
+
+            var messageJson = json
+                .GetProperty("messages")
+                .EnumerateArray()
+                .Single(j => string.Equals(
+                    j.GetProperty("id").GetString(),
+                    "866459175462633503",
+                    StringComparison.OrdinalIgnoreCase
+                ));
+
+            var content = messageJson
+                .GetProperty("content")
+                .GetString();
+
+            // Assert
+            content.Should().Be("Voice channel mention: #chaos-vc [voice]");
+        }
+
+        [Fact]
+        public async Task Voice_channel_mention_is_rendered_correctly_in_HTML()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "html");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.HtmlDark,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var htmlData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(htmlData);
+
+            var html = Html.Parse(htmlData);
+
+            var messageHtml = html.GetElementById("message-866459175462633503");
+
+            // Assert
+            messageHtml.Should().NotBeNull();
+            messageHtml?.Text().Trim().Should().Be("Voice channel mention: 🔊chaos-vc");
+        }
+
+        [Fact]
+        public async Task Role_mention_is_rendered_correctly_in_JSON()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "json");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.Json,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var jsonData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(jsonData);
+
+            var json = Json.Parse(jsonData);
+
+            var messageJson = json
+                .GetProperty("messages")
+                .EnumerateArray()
+                .Single(j => string.Equals(
+                    j.GetProperty("id").GetString(),
+                    "866459254693429258",
+                    StringComparison.OrdinalIgnoreCase
+                ));
+
+            var content = messageJson
+                .GetProperty("content")
+                .GetString();
+
+            // Assert
+            content.Should().Be("Role mention: @Role 1");
+        }
+
+        [Fact]
+        public async Task Role_mention_is_rendered_correctly_in_HTML()
+        {
+            // Arrange
+            var outputFilePath = Path.ChangeExtension(_tempOutput.GetTempFilePath(), "html");
+
+            // Act
+            await new ExportChannelsCommand
+            {
+                TokenValue = Secrets.DiscordToken,
+                IsBotToken = Secrets.IsDiscordTokenBot,
+                ChannelIds = new[] {Snowflake.Parse(ChannelIds.MentionTestCases)},
+                ExportFormat = ExportFormat.HtmlDark,
+                OutputPath = outputFilePath
+            }.ExecuteAsync(new FakeConsole());
+
+            var htmlData = await File.ReadAllTextAsync(outputFilePath);
+            _testOutput.WriteLine(htmlData);
+
+            var html = Html.Parse(htmlData);
+
+            var messageHtml = html.GetElementById("message-866459254693429258");
+
+            // Assert
+            messageHtml.Should().NotBeNull();
+            messageHtml?.Text().Trim().Should().Be("Role mention: @Role 1");
+        }
+    }
+}

DiscordChatExporter.Cli.Tests/TestData/ChannelIds.cs

@@ -0,0 +1,9 @@
+namespace DiscordChatExporter.Cli.Tests.TestData
+{
+    public static class ChannelIds
+    {
+        public static string MentionTestCases { get; } = "866458801389174794";
+
+        public static string ReplyTestCases { get; } = "866459871934677052";
+    }
+}

DiscordChatExporter.Cli.Tests/Utils/Html.cs

@@ -0,0 +1,12 @@
+using AngleSharp.Html.Dom;
+using AngleSharp.Html.Parser;
+
+namespace DiscordChatExporter.Cli.Tests.Utils
+{
+    internal static class Html
+    {
+        private static readonly IHtmlParser Parser = new HtmlParser();
+
+        public static IHtmlDocument Parse(string source) => Parser.ParseDocument(source);
+    }
+}

DiscordChatExporter.Cli.Tests/xunit.runner.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://xunit.net/schema/current/xunit.runner.schema.json",
+  "methodDisplayOptions": "all",
+  "methodDisplay": "method"
+}

DiscordChatExporter.sln

@@ -18,6 +18,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DiscordChatExporter.Cli", "
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiscordChatExporter.Core", "DiscordChatExporter.Core\DiscordChatExporter.Core.csproj", "{E19980B9-2B84-4257-A517-540FF1E3FCDD}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DiscordChatExporter.Cli.Tests", "DiscordChatExporter.Cli.Tests\DiscordChatExporter.Cli.Tests.csproj", "{C5064B8B-692E-4515-BA55-A9BE392EE540}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -36,6 +38,10 @@ Global
 		{E19980B9-2B84-4257-A517-540FF1E3FCDD}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E19980B9-2B84-4257-A517-540FF1E3FCDD}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E19980B9-2B84-4257-A517-540FF1E3FCDD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C5064B8B-692E-4515-BA55-A9BE392EE540}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C5064B8B-692E-4515-BA55-A9BE392EE540}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C5064B8B-692E-4515-BA55-A9BE392EE540}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C5064B8B-692E-4515-BA55-A9BE392EE540}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Readme.md

@@ -1,6 +1,7 @@
 # DiscordChatExporter
 
 [![Build](https://github.com/Tyrrrz/DiscordChatExporter/workflows/CI/badge.svg?branch=master)](https://github.com/Tyrrrz/DiscordChatExporter/actions)
+[![Coverage](https://codecov.io/gh/Tyrrrz/DiscordChatExporter/branch/master/graph/badge.svg)](https://codecov.io/gh/Tyrrrz/DiscordChatExporter)
 [![Release](https://img.shields.io/github/release/Tyrrrz/DiscordChatExporter.svg)](https://github.com/Tyrrrz/DiscordChatExporter/releases)
 [![Downloads](https://img.shields.io/github/downloads/Tyrrrz/DiscordChatExporter/total.svg)](https://github.com/Tyrrrz/DiscordChatExporter/releases)
 [![Donate](https://img.shields.io/badge/donate-$$$-purple.svg)](https://tyrrrz.me/donate)