Added tests for FileIO interface

src/fileio_interface.jl

@@ -1,4 +1,4 @@
-fileio_load(f::File{format"WebP"}; kwargs...) = decode(f.filename; kwargs...)
+fileio_load(f::File{format"WebP"}; kwargs...) = read_webp(f.filename; kwargs...)
 
 function fileio_save(f::File{format"WebP"}, image::AbstractMatrix{<:Colorant}; kwargs...)
     return write_webp(f.filename, image; kwargs...)

test/fileio_interface_tests.jl

@@ -0,0 +1,25 @@
+using FileIO
+using Test
+using TestImages
+using WebP
+
+@testset "FileIO interface" begin
+    expected_image = testimage("lighthouse")
+
+    mktempdir() do tmp_dir_path
+        file_path = joinpath(tmp_dir_path, "lighthouse.webp")
+        f = File{format"WebP"}(file_path)
+        WebP.write_webp(file_path, expected_image)
+
+        @testset "fileio_load" begin
+            image = WebP.fileio_load(f)
+            @test size(image) == size(expected_image)
+        end
+
+        @testset "fileio_save" begin
+            WebP.fileio_save(f, expected_image)
+            image = WebP.read_webp(file_path)
+            @test size(image) == size(expected_image)
+        end
+    end
+end

test/runtests.jl

@@ -3,4 +3,5 @@ using Test
 @testset "WebP.jl" begin
     include(joinpath(@__DIR__, "decoding_tests.jl"))
     include(joinpath(@__DIR__, "encoding_tests.jl"))
+    include(joinpath(@__DIR__, "fileio_interface_tests.jl"))
 end