102 lines
2.2 KiB
Ruby
102 lines
2.2 KiB
Ruby
require_relative '../../spec_helper'
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require_relative '../enumerable/shared/enumeratorized'
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describe "ENV.reject!" do
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before :each do
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@foo = ENV["foo"]
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end
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after :each do
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ENV["foo"] = @foo
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end
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it "rejects entries based on key" do
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ENV["foo"] = "bar"
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ENV.reject! { |k, v| k == "foo" }
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ENV["foo"].should == nil
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end
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it "rejects entries based on value" do
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ENV["foo"] = "bar"
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ENV.reject! { |k, v| v == "bar" }
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ENV["foo"].should == nil
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end
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it "returns itself or nil" do
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ENV.reject! { false }.should == nil
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ENV["foo"] = "bar"
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ENV.reject! { |k, v| k == "foo" }.should equal(ENV)
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ENV["foo"].should == nil
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end
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it "returns an Enumerator if called without a block" do
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ENV["foo"] = "bar"
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enum = ENV.reject!
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enum.should be_an_instance_of(Enumerator)
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enum.each { |k, v| k == "foo" }.should equal(ENV)
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ENV["foo"].should == nil
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end
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it "doesn't raise if empty" do
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orig = ENV.to_hash
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begin
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ENV.clear
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-> { ENV.reject! }.should_not raise_error(LocalJumpError)
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ensure
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ENV.replace orig
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end
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end
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it_behaves_like :enumeratorized_with_origin_size, :reject!, ENV
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end
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describe "ENV.reject" do
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before :each do
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@foo = ENV["foo"]
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end
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after :each do
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ENV["foo"] = @foo
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end
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it "rejects entries based on key" do
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ENV["foo"] = "bar"
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e = ENV.reject { |k, v| k == "foo" }
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e["foo"].should == nil
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ENV["foo"].should == "bar"
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ENV["foo"] = nil
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end
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it "rejects entries based on value" do
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ENV["foo"] = "bar"
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e = ENV.reject { |k, v| v == "bar" }
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e["foo"].should == nil
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ENV["foo"].should == "bar"
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ENV["foo"] = nil
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end
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it "returns a Hash" do
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ENV.reject { false }.should be_kind_of(Hash)
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end
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it "returns an Enumerator if called without a block" do
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ENV["foo"] = "bar"
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enum = ENV.reject
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enum.should be_an_instance_of(Enumerator)
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enum.each { |k, v| k == "foo"}
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ENV["foo"] = nil
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end
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it "doesn't raise if empty" do
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orig = ENV.to_hash
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begin
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ENV.clear
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-> { ENV.reject }.should_not raise_error(LocalJumpError)
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ensure
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ENV.replace orig
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end
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end
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it_behaves_like :enumeratorized_with_origin_size, :reject, ENV
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end
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