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require "re2/string"
class String
include RE2::String
end
RSpec.describe RE2::String do
describe "#re2_sub" do
it "delegates to RE2.Replace to perform replacement" do
expect("My name is Robert Paulson".re2_sub('Robert', 'Crobert')).to eq("My name is Crobert Paulson")
end
it "doesn't perform an in-place replacement" do
string = "My name is Robert Paulson"
expect(string.re2_sub('Robert', 'Crobert')).not_to equal(string)
end
end
describe "#re2_gsub" do
it "delegates to RE2.GlobalReplace to perform replacement" do
expect("My name is Robert Paulson".re2_gsub('a', 'e')).to eq("My neme is Robert Peulson")
end
it "doesn't perform an in-place replacement" do
string = "My name is Robert Paulson"
expect(string.re2_gsub('a', 'e')).not_to equal(string)
end
end
describe "#re2_match" do
it "delegates to RE2::Regexp#match to perform matches", :aggregate_failures do
md = "My name is Robert Paulson".re2_match('My name is (\S+) (\S+)')
expect(md).to be_a(RE2::MatchData)
expect(md[0]).to eq("My name is Robert Paulson")
expect(md[1]).to eq("Robert")
expect(md[2]).to eq("Paulson")
end
it "supports limiting the number of matches" do
md = "My name is Robert Paulson".re2_match('My name is (\S+) (\S+)', 0)
expect(md).to eq(true)
end
end
describe "#re2_escape" do
it "escapes the string for use in regular expressions" do
expect("1.5-2.0?".re2_escape).to eq('1\.5\-2\.0\?')
end
end
describe "#re2_quote" do
it "escapes the string for use in regular expressions" do
expect("1.5-2.0?".re2_quote).to eq('1\.5\-2\.0\?')
end
end
end
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