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describe :env_store, shared: true do
before :each do
@saved_foo = ENV["foo"]
end
after :each do
ENV["foo"] = @saved_foo
end
it "sets the environment variable to the given value" do
ENV.send(@method, "foo", "bar")
ENV["foo"].should == "bar"
end
it "returns the value" do
value = "bar"
ENV.send(@method, "foo", value).should equal(value)
end
it "deletes the environment variable when the value is nil" do
ENV["foo"] = "bar"
ENV.send(@method, "foo", nil)
ENV.key?("foo").should be_false
end
it "coerces the key argument with #to_str" do
k = mock("key")
k.should_receive(:to_str).and_return("foo")
ENV.send(@method, k, "bar")
ENV["foo"].should == "bar"
end
it "coerces the value argument with #to_str" do
v = mock("value")
v.should_receive(:to_str).and_return("bar")
ENV.send(@method, "foo", v)
ENV["foo"].should == "bar"
end
it "raises TypeError when the key is not coercible to String" do
-> { ENV.send(@method, Object.new, "bar") }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
it "raises TypeError when the value is not coercible to String" do
-> { ENV.send(@method, "foo", Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
it "raises Errno::EINVAL when the key contains the '=' character" do
-> { ENV.send(@method, "foo=", "bar") }.should raise_error(Errno::EINVAL)
end
it "raises Errno::EINVAL when the key is an empty string" do
-> { ENV.send(@method, "", "bar") }.should raise_error(Errno::EINVAL)
end
it "does nothing when the key is not a valid environment variable key and the value is nil" do
ENV.send(@method, "foo=", nil)
ENV.key?("foo=").should be_false
end
end
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