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# -*- encoding: binary -*-
require_relative '../../spec_helper'
require_relative 'fixtures/common'
describe "ENV.[]" do
before :each do
@variable = "returns_only_frozen_values"
end
after :each do
ENV.delete @variable
end
it "returns nil if the variable isn't found" do
ENV["this_var_is_never_set"].should == nil
end
it "returns only frozen values" do
ENV[@variable] = "a non-frozen string"
ENV[@variable].should.frozen?
end
it "coerces a non-string name with #to_str" do
ENV[@variable] = "bar"
k = mock('key')
k.should_receive(:to_str).and_return(@variable)
ENV[k].should == "bar"
end
it "raises TypeError if the argument is not a String and does not respond to #to_str" do
-> { ENV[Object.new] }.should raise_error(TypeError, "no implicit conversion of Object into String")
end
platform_is :windows do
it "looks up values case-insensitively" do
ENV[@variable] = "bar"
ENV[@variable.upcase].should == "bar"
end
end
end
describe "ENV.[]" do
before :each do
@variable = "env_element_reference_encoding_specs"
@external = Encoding.default_external
@internal = Encoding.default_internal
Encoding.default_external = Encoding::BINARY
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
ENV.delete @variable
end
it "uses the locale encoding if Encoding.default_internal is nil" do
Encoding.default_internal = nil
locale = ENVSpecs.encoding
locale = Encoding::BINARY if locale == Encoding::US_ASCII
ENV[@variable] = "\xC3\xB8"
ENV[@variable].encoding.should == locale
end
it "transcodes from the locale encoding to Encoding.default_internal if set" do
# We cannot reliably know the locale encoding, so we merely check that
# the result string has the expected encoding.
ENV[@variable] = ""
Encoding.default_internal = Encoding::IBM437
ENV[@variable].encoding.should equal(Encoding::IBM437)
end
end
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