Select a post from data provided, using offset

instantiator · Oct 22, 2023 · 3a9630c · 3a9630c
1 parent 87a41e3
commit 3a9630c
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Showing 2 changed files with 54 additions and 6 deletions.
diff --git a/open-social-distributor-app/src/DistributionCLI/DistributionCLI.cs b/open-social-distributor-app/src/DistributionCLI/DistributionCLI.cs
@@ -25,6 +25,9 @@ public class PostOptions
         [Option('s', "source-file", Required = false, HelpText = "Path or url to a source file containing posts.")]
         public string? DataPath { get; set; }
 
+        [Option('o', "offset", Required = false, HelpText = "Offset (index) of a post within the source file to use. Leave blank to send all posts in the source file.")]
+        public int? Offset { get; set; }
+
         [Option('f', "filter", Required = false, HelpText = "Regular expression filter for network short codes.")]
         public string? Filter { get; set; } = null;
 
@@ -132,7 +135,10 @@ public static int ExecutePost(PostOptions options)
         {
             var postListJson = UriReader.ReadStringAsync(dataPath).Result;
             var postList = new PostListReader().ReadJson(postListJson);
-            var messages = postList!.ToSocialMessages();
+            var messages = options.Offset == null 
+                ? postList!.ToSocialMessages()
+                : new[] { postList!.ToSocialMessages().ElementAt(options.Offset.Value) }; 
+
             var resultSets = new List<IEnumerable<PostResult>>();
             foreach (var message in messages)
             {

diff --git a/open-social-distributor-app/test/DistributionCLI.Tests/InputFileTests.cs b/open-social-distributor-app/test/DistributionCLI.Tests/InputFileTests.cs
@@ -9,9 +9,6 @@ public class InputFileTests
     private static string CreateTempFile(string data)
     {
         var tempPath = Path.GetFullPath(Path.Combine(Path.GetTempPath(), Path.GetTempFileName()));
-        // Console.WriteLine("Creating temporary file...");
-        // Console.WriteLine($"Data: {data}");
-        // Console.WriteLine($"Path: {tempPath}");
         File.WriteAllText(tempPath, data);
         return tempPath;
     }
@@ -25,6 +22,14 @@ private static string CreateEmptyPostList()
     private static string CreateSimplePostListFile()
         => CreateTempFile(@"{ ""posts"": [ { ""parts"": [ { ""part"": ""Text"", ""content"" : { ""any"": ""Hello"" } } ] } ] }");
 
+    private static string CreateSimpleMultiPostListFile()
+        => CreateTempFile(
+            @"{ ""posts"": [ 
+                { ""parts"": [ { ""part"": ""Text"", ""content"" : { ""any"": ""First post"" } } ] },
+                { ""parts"": [ { ""part"": ""Text"", ""content"" : { ""any"": ""Second post"" } } ] },
+                { ""parts"": [ { ""part"": ""Text"", ""content"" : { ""any"": ""Third post"" } } ] },
+            ] }");
+
     [Fact]
     public void RejectsNoParameters()
     {
@@ -88,5 +93,42 @@ public void AcceptsSimplePostList()
         Assert.True(DistributionCLI.LastPostResults!.Single().Success);
         Assert.Equal("Hello", DistributionCLI.LastPostResults!.Single().Message.Parts.Single().Content[NetworkType.Any]);
     }
-
-}
+
+    [Theory]
+    [InlineData(0)]
+    [InlineData(1)]
+    [InlineData(2)]
+    public void AcceptsSimplePostListWithOffset(int offset)
+    {
+        DistributionCLI.Reset();
+        var configPath = CreateSimpleConfigFile();
+        var postsPath = CreateSimpleMultiPostListFile();
+
+        var inflated = new PostListReader().ReadFile(postsPath);
+        Assert.NotNull(inflated);
+        Assert.Equal(3, inflated!.Posts.Count());
+
+        int status = DistributionCLI.Main("post", "-c", configPath, "-s", postsPath, "-o", offset.ToString());
+        Assert.Equal(0, status);
+        Assert.Single(DistributionCLI.LastPostResults!);
+        Assert.True(DistributionCLI.LastPostResults!.Single().Success);
+
+        string expectation;
+        switch (offset)
+        {
+            case 0:
+                expectation = "First post";
+                break;
+            case 1:
+                expectation = "Second post";
+                break;
+            case 2:
+                expectation = "Third post";
+                break;
+            default:
+            throw new NotImplementedException();
+        };
+
+        Assert.Equal(expectation, DistributionCLI.LastPostResults!.Single().Message.Parts.Single().Content[NetworkType.Any]);
+    }
+}