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100 lines
3 KiB
Ruby
100 lines
3 KiB
Ruby
describe :env_update, shared: true do
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before :each do
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@saved_foo = ENV["foo"]
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@saved_bar = ENV["bar"]
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end
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after :each do
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ENV["foo"] = @saved_foo
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ENV["bar"] = @saved_bar
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end
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it "adds the parameter hash to ENV, returning ENV" do
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ENV.send(@method, "foo" => "0", "bar" => "1").should equal(ENV)
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ENV["foo"].should == "0"
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ENV["bar"].should == "1"
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end
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it "returns ENV when no block given" do
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ENV.send(@method, {"foo" => "0", "bar" => "1"}).should equal(ENV)
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end
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it "yields key, the old value and the new value when replacing an entry" do
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ENV.send @method, {"foo" => "0", "bar" => "3"}
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a = []
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ENV.send @method, {"foo" => "1", "bar" => "4"} do |key, old, new|
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a << [key, old, new]
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new
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end
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a[0].should == ["foo", "0", "1"]
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a[1].should == ["bar", "3", "4"]
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end
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it "yields key, the old value and the new value when replacing an entry" do
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ENV.send @method, {"foo" => "0", "bar" => "3"}
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ENV.send @method, {"foo" => "1", "bar" => "4"} do |key, old, new|
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(new.to_i + 1).to_s
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end
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ENV["foo"].should == "2"
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ENV["bar"].should == "5"
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end
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ruby_version_is "2.7" do
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# BUG: https://bugs.ruby-lang.org/issues/16192
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it "does not evaluate the block when the name is new" do
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ENV.delete("bar")
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ENV.send @method, {"foo" => "0"}
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ENV.send(@method, "bar" => "1") { |key, old, new| fail "Should not get here" }
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ENV["bar"].should == "1"
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end
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# BUG: https://bugs.ruby-lang.org/issues/16192
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it "does not use the block's return value as the value when the name is new" do
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ENV.delete("bar")
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ENV.send @method, {"foo" => "0"}
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ENV.send(@method, "bar" => "1") { |key, old, new| "Should not use this value" }
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ENV["foo"].should == "0"
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ENV["bar"].should == "1"
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end
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end
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it "returns ENV when block given" do
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ENV.send(@method, {"foo" => "0", "bar" => "1"}){}.should equal(ENV)
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end
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it "raises TypeError when a name is not coercible to String" do
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-> { ENV.send @method, Object.new => "0" }.should raise_error(TypeError, "no implicit conversion of Object into String")
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end
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it "raises TypeError when a value is not coercible to String" do
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-> { ENV.send @method, "foo" => Object.new }.should raise_error(TypeError, "no implicit conversion of Object into String")
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end
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it "raises Errno::EINVAL when a name contains the '=' character" do
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-> { ENV.send(@method, "foo=" => "bar") }.should raise_error(Errno::EINVAL)
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end
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it "raises Errno::EINVAL when a name is an empty string" do
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-> { ENV.send(@method, "" => "bar") }.should raise_error(Errno::EINVAL)
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end
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it "updates good data preceding an error" do
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ENV["foo"] = "0"
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begin
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ENV.send @method, {"foo" => "2", Object.new => "1"}
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rescue TypeError
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ensure
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ENV["foo"].should == "2"
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end
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end
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it "does not update good data following an error" do
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ENV["foo"] = "0"
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begin
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ENV.send @method, {Object.new => "1", "foo" => "2"}
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rescue TypeError
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ensure
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ENV["foo"].should == "0"
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end
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end
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end
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