106 lines
3.0 KiB
Julia
106 lines
3.0 KiB
Julia
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using VisualRegressionTests
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# using ExamplePlots
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import DataFrames, RDatasets
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# don't let pyplot use a gui... it'll crash
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# note: Agg will set gui -> :none in PyPlot
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ENV["MPLBACKEND"] = "Agg"
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try
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@eval import PyPlot
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info("Matplotlib version: $(PyPlot.matplotlib[:__version__])")
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end
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using Plots
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using StatPlots
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using FactCheck
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using Glob
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default(size=(500,300))
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# TODO: use julia's Condition type and the wait() and notify() functions to initialize a Window, then wait() on a condition that
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# is referenced in a button press callback (the button clicked callback will call notify() on that condition)
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const _current_plots_version = v"0.8.0"
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function image_comparison_tests(pkg::Symbol, idx::Int; debug = false, popup = isinteractive(), sigma = [1,1], eps = 1e-2)
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Plots._debugMode.on = debug
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example = Plots._examples[idx]
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info("Testing plot: $pkg:$idx:$(example.header)")
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backend(pkg)
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backend()
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# ensure consistent results
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srand(1234)
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# reference image directory setup
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# refdir = joinpath(Pkg.dir("ExamplePlots"), "test", "refimg", string(pkg))
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refdir = Pkg.dir("PlotReferenceImages", "Plots", string(pkg))
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fn = "ref$idx.png"
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# firgure out version info
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G = glob(joinpath(relpath(refdir), "*"))
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# @show refdir fn G
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slash = (@windows ? "\\" : "/")
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versions = map(fn -> VersionNumber(split(fn, slash)[end]), G)
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versions = reverse(sort(versions))
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versions = filter(v -> v <= _current_plots_version, versions)
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# @show refdir fn versions
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newdir = joinpath(refdir, string(_current_plots_version))
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newfn = joinpath(newdir, fn)
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# figure out which reference file we should compare to, by finding the highest versioned file
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reffn = nothing
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for v in versions
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tmpfn = joinpath(refdir, string(v), fn)
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if isfile(tmpfn)
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reffn = tmpfn
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break
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end
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end
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# now we have the fn (if any)... do the comparison
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# @show reffn
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if reffn == nothing
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reffn = newfn
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end
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# @show reffn
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# return
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# test function
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func = (fn, idx) -> begin
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map(eval, example.exprs)
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png(fn)
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end
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try
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run(`mkdir -p $newdir`)
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catch err
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display(err)
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end
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# reffn = joinpath(refdir, "ref$idx.png")
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# the test
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vtest = VisualTest(func, reffn, idx)
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test_images(vtest, popup=popup, sigma=sigma, eps=eps, newfn = newfn)
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end
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function image_comparison_facts(pkg::Symbol;
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skip = [], # skip these examples (int index)
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only = nothing, # limit to these examples (int index)
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debug = false, # print debug information?
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sigma = [1,1], # number of pixels to "blur"
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eps = 1e-2) # acceptable error (percent)
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for i in 1:length(Plots._examples)
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i in skip && continue
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if only == nothing || i in only
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@fact image_comparison_tests(pkg, i, debug=debug, sigma=sigma, eps=eps) |> success --> true
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end
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end
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end
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