Add MIDI format (#323)

* Add MIDI format * Add tests for midi files
JuliaIO · Apr 25, 2021 · 8932b89 · 8932b89
1 parent bf57b7f
commit 8932b89
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diff --git a/src/registry.jl b/src/registry.jl
@@ -419,3 +419,5 @@ add_format(format"vega", (), [".vega"], [:Vega => UUID("239c3e63-733f-47ad-beb7-
 add_format(format"FCS", "FCS", [".fcs"], [:FCSFiles => UUID("d76558cf-badf-52d4-a17e-381ab0b0d937")])
 
 add_format(format"HTML", (), [".html", ".htm"], [MimeWriter, SAVE])
+
+add_format(format"MIDI", "MThd", [".mid", ".midi", ".MID"], [:MIDI => UUID("f57c4921-e30c-5f49-b073-3f2f2ada663e")])
diff --git a/test/files/doxy.MID b/test/files/doxy.MID
diff --git a/test/files/doxy.mid b/test/files/doxy.mid
diff --git a/test/files/doxy.midi b/test/files/doxy.midi
diff --git a/test/query.jl b/test/query.jl
@@ -438,6 +438,20 @@ let file_dir = joinpath(@__DIR__, "files"), file_path = Path(file_dir)
                 @test position(io)  == 0
             end
         end
+        @testset "MIDI detection" begin
+            q = query(joinpath(file_dir, "doxy.mid"))
+            @test typeof(q) <: File{format"MIDI"}
+            q = query(joinpath(file_dir, "doxy.midi"))
+            @test typeof(q) <: File{format"MIDI"}
+            q = query(joinpath(file_dir, "doxy.MID"))
+            @test typeof(q) <: File{format"MIDI"}
+            @test magic(format"MIDI") == b"MThd"
+            open(q) do io
+                @test position(io) == 0
+                skipmagic(io)
+                @test position(io) == 4
+            end
+        end
     end
 
     @testset "Query from IOBuffer" begin