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require_relative '../../spec_helper'
describe "ENV.replace" do
before :each do
@orig = ENV.to_hash
ENV.delete("foo")
end
after :each do
ENV.replace(@orig)
end
it "replaces ENV with a Hash" do
ENV.replace("foo" => "0", "bar" => "1").should equal(ENV)
ENV.size.should == 2
ENV["foo"].should == "0"
ENV["bar"].should == "1"
end
it "raises TypeError if the argument is not a Hash" do
-> { ENV.replace(Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into Hash")
ENV.to_hash.should == @orig
end
it "raises TypeError if a key is not a String" do
-> { ENV.replace(Object.new => "0") }.should raise_error(TypeError, "no implicit conversion of Object into String")
ENV.to_hash.should == @orig
end
it "raises TypeError if a value is not a String" do
-> { ENV.replace("foo" => Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into String")
ENV.to_hash.should == @orig
end
it "raises Errno::EINVAL when the key contains the '=' character" do
-> { ENV.replace("foo=" =>"bar") }.should raise_error(Errno::EINVAL)
end
it "raises Errno::EINVAL when the key is an empty string" do
-> { ENV.replace("" => "bar") }.should raise_error(Errno::EINVAL)
end
it "does not accept good data preceding an error" do
-> { ENV.replace("foo" => "1", Object.new => Object.new) }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
it "does not accept good data following an error" do
-> { ENV.replace(Object.new => Object.new, "foo" => "0") }.should raise_error(TypeError, "no implicit conversion of Object into String")
ENV.to_hash.should == @orig
end
end
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