draft runtests for IJulia

runtests.jl

for (repo,tag) in (("ipython/traitlets","master"), ("ipython/ipython_genutils","master"), ("jupyter/jupyter_core","master"), ("jupyter/jupyter_client","master"), ("jupyter/jupyter_kernel_test","master"))
    if !isdir(basename(repo))
        run(`git clone https://github.com/$repo`)
    end
    cd(basename(repo)) do
        run(`git checkout $tag`)
    end
end

jupyter=joinpath(pwd(), "jupyter")
julib=joinpath(jupyter, "julib")
for repo in ("traitlets", "ipython_genutils", "jupyter_core", "jupyter_client")
    cd(repo) do
        run(`python setup.py install --prefix=$jupyter --install-lib=$julib`)
    end
end
ktest = joinpath(julib, "kerneltest")
if islink(ktest)
    rm(ktest)
end
symlink(joinpath(pwd(),"jupyter_kernel_test","jupyter_kernel_test"), ktest)

kernel="julia-$(VERSION.major).$(VERSION.minor)"

println("\nRunning kernel tests...")
open(`python -`, "w", STDOUT) do io
    print(io, """
import sys
sys.path.append('$julib')
import unittest
import IPython
import kerneltest

class MyKernelTests(kerneltest.KernelTests):
    # The name identifying an installed kernel to run the tests against
    kernel_name = "$kernel"

    # language_info.name in a kernel_info_reply should match this
    language_name = "julia"

    # Code in the kernel's language to write "hello, world" to stdout
    code_hello_world = 'println("hello, world")'

    # Tab completions: in each dictionary, text is the input, which it will
    # try to complete from the end of. matches is the collection of results
    # it should expect.
    completion_samples = [
        {
            'text': 'zi',
            'matches': {'zip'},
        },
    ]

    # Code completeness: samples grouped by expected result
    complete_code_samples = ['println("hi")']
    incomplete_code_samples = ['function foo( ->', '"in a string']
    invalid_code_samples = ['import = 7q']

if __name__ == '__main__':
    unittest.main()

""")
end
println("SUCCESS!")