spec/ruby/library/cgi/escapeURIComponent_spec.rb


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require_relative '../../spec_helper'
require 'cgi'

ruby_version_is "3.2" do
  describe "CGI.escapeURIComponent" do
    it "escapes whitespace" do
      string = "&<>\" \xE3\x82\x86\xE3\x82\x93\xE3\x82\x86\xE3\x82\x93"
      CGI.escapeURIComponent(string).should == '%26%3C%3E%22%20%E3%82%86%E3%82%93%E3%82%86%E3%82%93'
    end

    it "does not escape with unreserved characters" do
      string = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~"
      CGI.escapeURIComponent(string).should == "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~"
    end

    it "supports String with invalid encoding" do
      string = "\xC0\<\<".dup.force_encoding("UTF-8")
      CGI.escapeURIComponent(string).should == "%C0%3C%3C"
    end

    it "processes String bytes one by one, not characters" do
      CGI.escapeURIComponent("β").should == "%CE%B2" # "β" bytes representation is CE B2
    end

    it "raises a TypeError with nil" do
      -> {
        CGI.escapeURIComponent(nil)
      }.should raise_error(TypeError, 'no implicit conversion of nil into String')
    end

    it "encodes empty string" do
      CGI.escapeURIComponent("").should == ""
    end

    it "encodes single whitespace" do
      CGI.escapeURIComponent(" ").should == "%20"
    end

    it "encodes double whitespace" do
      CGI.escapeURIComponent("  ").should == "%20%20"
    end

    it "preserves encoding" do
      string = "whatever".encode("ASCII-8BIT")
      CGI.escapeURIComponent(string).encoding.should == Encoding::ASCII_8BIT
    end

    it "uses implicit type conversion to String" do
      object = Object.new
      def object.to_str
        "a b"
      end

      CGI.escapeURIComponent(object).should == "a%20b"
    end
  end
end