add tests

src/PlotlyLight.jl

@@ -38,7 +38,6 @@ Base.@kwdef mutable struct Settings
     style::Dict{String,String} = Dict("display" => "block", "border" => "none", "min-height" => "350px", "min-width" => "350px")
 end
 settings::Settings = Settings()
-set!(; kw...) = foreach(x -> setfield!(settings, x...), kw)
 
 #-----------------------------------------------------------------------------# utils
 fix_matrix(x::Config) = Config(k => fix_matrix(v) for (k,v) in pairs(x))

test/runtests.jl

@@ -2,6 +2,7 @@ using PlotlyLight
 using PlotlyLight: settings
 using Cobweb
 using Cobweb: h
+using JSON3: JSON3
 using Test
 using Aqua
 
@@ -30,20 +31,51 @@ html(x) = repr("text/html", x)
     p4(;x=1:10, y=1:10)
     @test length(p4.data) == 3
     @test p4.data[2] == p4.data[3]
+
+    p5 = p(p2(p3(p4)))
+    @test length(p5.data) == 6
 end
 
 @testset "plot" begin
     @test_warn "`scatter` does not have attribute `X`" plot.scatter(X=1:10);
     @test_nowarn plot.scatter(x=1:10);
+    @test contains(JSON3.write(plot(y=1:10)), "scatter")
 end
 
 @testset "settings" begin
     @test PlotlyLight.settings.layout == Config()
     @test PlotlyLight.settings.config == Config(; responsive=true)
 end
 
+@testset "saving" begin
+    dir = mktempdir()
+    path1 = joinpath(dir, "test.html")
+    path2 = joinpath(dir, "test2.html")
+    p = Plot(Config(x = 1:10))
+    PlotlyLight.save(p, path1)
+    PlotlyLight.save(path2, p)
+    @test isfile(path1)
+    @test isfile(path2)
+end
+
 @testset "other" begin
     @test propertynames(Plot()) isa Vector{Symbol}
+    @test all(x in propertynames(Plot()) for x in propertynames(plot))
+    @test PlotlyLight.fix_matrix([1 2; 3 4]) == [[1, 2], [3, 4]]
+    @test propertynames(JSON3.read(JSON3.write(Plot()))) == [:data, :layout, :config]
+end
+
+@testset "show/display" begin
+    s = sprint((io, x) -> show(io, MIME("juliavscode/html"), x), Plot())
+end
+
+@testset "preset" begin
+    for f in PlotlyLight.preset.template
+        f()
+    end
+    for f in PlotlyLight.preset.source
+        f()
+    end
 end
 
 #-----------------------------------------------------------------------------# Aqua