some rudimentary tests

Author: stevengj

appveyor.yml

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+environment:
+  matrix:
+  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x86/0.5/julia-0.5-latest-win32.exe"
+  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x64/0.5/julia-0.5-latest-win64.exe"
+  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x86/0.6/julia-0.6-latest-win32.exe"
+  - JULIA_URL: "https://julialang-s3.julialang.org/bin/winnt/x64/0.6/julia-0.6-latest-win64.exe"
+  - JULIA_URL: "https://julialangnightlies-s3.julialang.org/bin/winnt/x86/julia-latest-win32.exe"
+  - JULIA_URL: "https://julialangnightlies-s3.julialang.org/bin/winnt/x64/julia-latest-win64.exe"
+
+branches:
+  only:
+    - master
+    - /release-.*/
+
+notifications:
+  - provider: Email
+    on_build_success: false
+    on_build_failure: false
+    on_build_status_changed: false
+
+install:
+  - ps: "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
+# if there's a newer build queued for the same PR, cancel this one
+  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
+        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
+        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
+        throw "There are newer queued builds for this pull request, failing early." }
+# Download most recent Julia Windows binary
+  - ps: (new-object net.webclient).DownloadFile(
+        $env:JULIA_URL,
+        "C:\projects\julia-binary.exe")
+# Run installer silently, output to C:\projects\julia
+  - C:\projects\julia-binary.exe /S /D=C:\projects\julia
+
+build_script:
+# Need to convert from shallow to complete for Pkg.clone to work
+  - IF EXIST .git\shallow (git fetch --unshallow)
+  - C:\projects\julia\bin\julia -e "versioninfo();
+      Pkg.clone(pwd(), \"PyPlot\"); Pkg.build(\"PyPlot\")"
+
+test_script:
+  - C:\projects\julia\bin\julia --check-bounds=yes -e "Pkg.test(\"PyPlot\")"

test/runtests.jl

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+ENV["MPLBACKEND"]="agg" # no GUI
+
+using PyPlot, PyCall
+
+if isdefined(Base, :Test) && !Base.isdeprecated(Base, :Test)
+    using Base.Test
+else
+    using Test
+end
+
+plot(1:5, 2:6, "ro-")
+
+line = gca()[:lines][1]
+@test line[:get_xdata]() == [1:5;]
+@test line[:get_ydata]() == [2:6;]
+
+fig = gcf()
+@test isa(fig, PyPlot.Figure)
+@test fig[:get_size_inches]() ≈ [6.4, 4.8]
+
+s = stringmime("application/postscript", fig);
+m = match(r"%%BoundingBox: *([0-9]+) +([0-9]+) +([0-9]+) +([0-9]+)", s)
+@test m !== nothing
+boundingbox = map(s -> parse(Int, s), m.captures)
+info("got plot bounding box ", boundingbox)
+@test all([300, 200] .< boundingbox[3:4] - boundingbox[1:2] .< [450,350])
+
+c = get_cmap("viridis")
+a = linspace(0,1,5)
+rgba = pycall(pycall(PyPlot.ScalarMappable, PyObject, cmap=c,
+                     norm=PyPlot.Normalize01)["to_rgba"], PyArray, a)
+@test rgba ≈ [ 0.267004  0.004874  0.329415  1.0
+               0.229739  0.322361  0.545706  1.0
+               0.127568  0.566949  0.550556  1.0
+               0.369214  0.788888  0.382914  1.0
+               0.993248  0.906157  0.143936  1.0 ]
+