From a3be970f29f42e4b714caef6e4009fbde573a274 Mon Sep 17 00:00:00 2001
From: SimonDanisch <sdanisch@gmail.com>
Date: Thu, 9 May 2019 11:48:40 +0200
Subject: [PATCH] get around registered PLotReferenceImages by downloading
 source of tags

---
 Project.toml => .Project.toml |  0
 REQUIRE                       | 16 +++++++++++
 test/.gitignore               |  1 +
 test/REQUIRE                  | 11 ++++++++
 test/imgcomp.jl               | 51 ++++++++++++++++++++---------------
 test/runtests.jl              |  3 ---
 6 files changed, 57 insertions(+), 25 deletions(-)
 rename Project.toml => .Project.toml (100%)
 create mode 100644 REQUIRE
 create mode 100644 test/.gitignore
 create mode 100644 test/REQUIRE

diff --git a/Project.toml b/.Project.toml
similarity index 100%
rename from Project.toml
rename to .Project.toml
diff --git a/REQUIRE b/REQUIRE
new file mode 100644
index 00000000..bd236535
--- /dev/null
+++ b/REQUIRE
@@ -0,0 +1,16 @@
+julia 1.0
+
+RecipesBase 0.6.0
+PlotUtils 0.4.1
+PlotThemes 0.1.3
+Reexport
+GeometryTypes
+FixedPointNumbers 0.3
+Measures
+Showoff
+StatsBase 0.14.0
+JSON
+NaNMath
+Requires
+Contour
+GR 0.39.0
diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
index 00000000..2a6ccb02
--- /dev/null
+++ b/test/.gitignore
@@ -0,0 +1 @@
+reference_images
diff --git a/test/REQUIRE b/test/REQUIRE
new file mode 100644
index 00000000..f357d290
--- /dev/null
+++ b/test/REQUIRE
@@ -0,0 +1,11 @@
+FileIO
+ImageMagick
+Images
+LaTeXStrings
+RDatasets
+Random
+StatsPlots
+Test
+UnicodePlots
+VisualRegressionTests
+BinaryProvider
diff --git a/test/imgcomp.jl b/test/imgcomp.jl
index 6d7dd457..c8ae9966 100644
--- a/test/imgcomp.jl
+++ b/test/imgcomp.jl
@@ -1,26 +1,7 @@
-
 using VisualRegressionTests
-# using ExamplePlots
-
-if isinteractive()
-    @eval Main import Gtk
-end
-
-# import DataFrames, RDatasets
-
-# don't let pyplot use a gui... it'll crash
-# note: Agg will set gui -> :none in PyPlot
-# ENV["MPLBACKEND"] = "Agg"
-# try
-#   @eval import PyPlot
-#   @info("Matplotlib version: $(PyPlot.matplotlib[:__version__])")
-# end
-
-
 using Plots
-# using StatsPlots
-import PlotReferenceImages
 using Random
+using BinaryProvider
 using Test
 
 default(size=(500,300))
@@ -31,6 +12,33 @@ default(size=(500,300))
 
 import Plots._current_plots_version
 
+# Taken from MakieGallery
+"""
+Downloads the reference images from ReferenceImages for a specific version
+"""
+function download_reference(version = v"0.0.1")
+    download_dir = abspath(@__DIR__, "reference_images")
+    isdir(download_dir) || mkpath(download_dir)
+    tarfile = joinpath(download_dir, "reference_images.zip")
+    url = "https://github.com/JuliaPlots/PlotReferenceImages.jl/archive/v$(version).tar.gz"
+    refpath = joinpath(download_dir, "PlotReferenceImages.jl-$(version)")
+    if !isdir(refpath) # if not yet downloaded
+        @info "downloading reference images for version $version"
+        download(url, tarfile)
+        BinaryProvider.unpack(tarfile, download_dir)
+        # check again after download
+        if !isdir(refpath)
+            error("Something went wrong while downloading reference images. Plots can't be compared to references")
+        else
+            rm(tarfile, force = true)
+        end
+    else
+        @info "using reference images for version $version (already downloaded)"
+    end
+    refpath
+end
+
+const ref_image_dir = download_reference()
 
 function image_comparison_tests(pkg::Symbol, idx::Int; debug = false, popup = isinteractive(), sigma = [1,1], tol = 1e-2)
     Plots._debugMode.on = debug
@@ -43,8 +51,7 @@ function image_comparison_tests(pkg::Symbol, idx::Int; debug = false, popup = is
     Random.seed!(1234)
 
     # reference image directory setup
-    # refdir = joinpath(Pkg.dir("ExamplePlots"), "test", "refimg", string(pkg))
-    refdir = joinpath(dirname(pathof(PlotReferenceImages)), "..", "Plots", string(pkg))
+    refdir = joinpath(ref_image_dir, "Plots", string(pkg))
     fn = "ref$idx.png"
 
     # firgure out version info
diff --git a/test/runtests.jl b/test/runtests.jl
index 924aa2ea..167eb6a1 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,9 +2,6 @@ module PlotsTests
 
 using Pkg
 
-# This should be fine since it's run in it's own test env?
-pkg"add https://github.com/JuliaPlots/PlotReferenceImages.jl.git"
-
 include("imgcomp.jl")