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require "testing_env"
require "language/python"
require "resource"
class LanguagePythonTests < Homebrew::TestCase
def setup
@dir = Pathname.new(mktmpdir)
resource = stub("resource", stage: true)
formula_bin = @dir/"formula_bin"
@formula = mock("formula") do
stubs(:resource).returns(resource)
stubs(:bin).returns(formula_bin)
end
@venv = Language::Python::Virtualenv::Virtualenv.new(@formula, @dir, "python")
end
def teardown
FileUtils.rm_rf @dir
end
def test_virtualenv_creation
@formula.expects(:resource).with("homebrew-virtualenv").returns(
mock("resource", stage: true)
)
@venv.create
end
# or at least doesn't crash the second time
def test_virtualenv_creation_is_idempotent
@formula.expects(:resource).with("homebrew-virtualenv").returns(
mock("resource", stage: true)
)
@venv.create
FileUtils.mkdir_p @dir/"bin"
FileUtils.touch @dir/"bin/python"
@venv.create
FileUtils.rm @dir/"bin/python"
end
def test_pip_install_accepts_string
@formula.expects(:system).returns(true).with do |*params|
params.first == @dir/"bin/pip" && params.last == "foo"
end
@venv.pip_install "foo"
end
def test_pip_install_accepts_multiline_string
@formula.expects(:system).returns(true).with do |*params|
params.first == @dir/"bin/pip" && params[-2..-1] == ["foo", "bar"]
end
@venv.pip_install <<-EOS.undent
foo
bar
EOS
end
def test_pip_install_accepts_array
@formula.expects(:system).returns(true).with do |*params|
params.first == @dir/"bin/pip" && params.last == "foo"
end
@formula.expects(:system).returns(true).with do |*params|
params.first == @dir/"bin/pip" && params.last == "bar"
end
@venv.pip_install ["foo", "bar"]
end
def test_pip_install_accepts_resource
res = Resource.new "test"
res.expects(:stage).yields(nil)
@formula.expects(:system).returns(true).with do |*params|
params.first == @dir/"bin/pip" && params.last == Pathname.pwd
end
@venv.pip_install res
end
def test_pip_install_and_link_links_scripts
bin = @dir/"bin"
bin.mkpath
dest = @formula.bin
refute_predicate bin/"kilroy", :exist?
refute_predicate dest/"kilroy", :exist?
FileUtils.touch bin/"irrelevant"
bin_before = Dir[bin/"*"]
FileUtils.touch bin/"kilroy"
bin_after = Dir[bin/"*"]
@venv.expects(:pip_install).with("foo")
Dir.expects(:[]).twice.returns(bin_before, bin_after)
@venv.pip_install_and_link "foo"
assert_predicate bin/"kilroy", :exist?
assert_predicate dest/"kilroy", :exist?
assert_predicate dest/"kilroy", :symlink?
assert_equal((bin/"kilroy").realpath, (dest/"kilroy").realpath)
refute_predicate dest/"irrelevant", :exist?
end
end
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