improve book resolution from filename

tests/Jellyfin.Naming.Tests/Book/BookResolverTests.cs

@@ -0,0 +1,58 @@
+using Emby.Naming.Book;
+using Xunit;
+
+namespace Jellyfin.Naming.Tests.Book;
+
+public class BookResolverTests
+{
+    [Theory]
+    // seriesName (seriesYear?) #index (of count?) (year?)
+    [InlineData("Sherlock Holmes (1887) #1 (of 4) (1887)", null, "Sherlock Holmes", 1, 1887)]
+    [InlineData("Sherlock Holmes #2", null, "Sherlock Holmes", 2, null)]
+    [InlineData("Sherlock Holmes (1887) #1", null, "Sherlock Holmes", 1, null)]
+    [InlineData("Sherlock Holmes #2 (1890)", null, "Sherlock Holmes", 2, 1890)]
+    // name (seriesName, #index) (year?)
+    [InlineData("A Study in Scarlet (Sherlock Holmes, #1) (1887)", "A Study in Scarlet", "Sherlock Holmes", 1, 1887)]
+    [InlineData("The Adventures of Sherlock Holmes (Sherlock Holmes, #5)", "The Adventures of Sherlock Holmes", "Sherlock Holmes", 5, null)]
+    // name (year)
+    [InlineData("The Sign of the Four (1890)", "The Sign of the Four", null, null, 1890)]
+    [InlineData("The Valley of Fear (1915)", "The Valley of Fear", null, null, 1915)]
+    // index - name (year?)
+    [InlineData("2 - The Sign of the Four (1890)", "The Sign of the Four", null, 2, 1890)]
+    [InlineData("4 - The Valley of Fear", "The Valley of Fear", null, 4, null)]
+    // parse entire string as book name
+    [InlineData("A Study in Scarlet", "A Study in Scarlet", null, null, null)]
+    [InlineData("The Adventures of Sherlock Holmes", "The Adventures of Sherlock Holmes", null, null, null)]
+    // leading zeros on index number
+    [InlineData("00 - Dracula's Guest (1914)", "Dracula's Guest", null, 0, 1914)]
+    [InlineData("01 - Dracula (1897)", "Dracula", null, 1, 1897)]
+    // basic decimal support for prequels and novellas
+    [InlineData("2.0 - Twenty Thousand Leagues Under the Sea", "Twenty Thousand Leagues Under the Sea", null, 2, null)]
+    // TODO decide how to process non-zero decimals
+    [InlineData("2.1 - The Blockade Runners", "2.1 - The Blockade Runners", null, null, null)]
+    public void Resolve_Books(string input, string? name, string? series, int? index, int? year)
+    {
+        var result = BookFileNameParser.Parse(input);
+
+        Assert.Equal(name, result.Name);
+        Assert.Equal(series, result.SeriesName);
+        Assert.Equal(index, result.Index);
+        Assert.Equal(year, result.Year);
+    }
+
+    [Theory]
+    // name volume? chapter? (year?)
+    [InlineData("Captain Marvel Adventures v01 (1941)", "Captain Marvel Adventures v01", null, null, 1, 1941)]
+    [InlineData("Captain Marvel Adventures c120", "Captain Marvel Adventures c120", null, 120, null, null)]
+    [InlineData("Captain Marvel Adventures v01 c120", "Captain Marvel Adventures v01 c120", null, 120, 1, null)]
+    public void Resolve_Comics(string input, string? name, string? series, int? chapter, int? volume, int? year)
+    {
+        var result = BookFileNameParser.Parse(input);
+
+        Assert.Equal(name, result.Name);
+        Assert.Equal(series, result.SeriesName);
+        Assert.Equal(chapter, result.Index);
+        Assert.Equal(volume, result.ParentIndex);
+        Assert.Equal(year, result.Year);
+    }
+}