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require_relative '../../spec_helper'
require 'strscan'
describe "StringScanner#skip_until" do
before do
@s = StringScanner.new("This is a test")
end
it "returns the number of bytes advanced and advances the scan pointer until pattern is matched and consumed" do
@s.skip_until(/a/).should == 9
@s.pos.should == 9
end
it "sets the last match result" do
@s.skip_until(/a/)
@s.pre_match.should == "This is "
@s.matched.should == "a"
@s.post_match.should == " test"
end
it "returns nil if no match was found" do
@s.skip_until(/d+/).should == nil
end
version_is StringScanner::Version, ""..."3.1.1" do # ruby_version_is ""..."3.4"
it "raises TypeError if given a String" do
-> {
@s.skip_until('T')
}.should raise_error(TypeError, 'wrong argument type String (expected Regexp)')
end
end
version_is StringScanner::Version, "3.1.1" do # ruby_version_is "3.4"
it "searches a substring in the rest part of a string if given a String" do
@s.skip_until("a").should == 9
@s.pos.should == 9
end
# https://github.com/ruby/strscan/issues/131
ruby_version_is ""..."3.5" do # Don't run on 3.5.0dev that already contains not released fixes
version_is StringScanner::Version, "3.1.1"..."3.1.3" do # ruby_version_is "3.4.1"
it "sets the last match result if given a String" do
@s.skip_until("a")
@s.pre_match.should == ""
@s.matched.should == "This is a"
@s.post_match.should == " test"
end
end
end
version_is StringScanner::Version, "3.1.3" do # ruby_version_is "3.4"
it "sets the last match result if given a String" do
@s.skip_until("a")
@s.pre_match.should == "This is "
@s.matched.should == "a"
@s.post_match.should == " test"
end
end
end
describe "#[] successive call with a capture group name" do
context "when #scan_until was called with a Regexp pattern" do
it "returns matched substring when matching succeeded" do
@s.skip_until(/(?<a>This)/)
@s.should.matched?
@s[:a].should == "This"
end
it "returns nil when matching failed" do
@s.skip_until(/(?<a>2008)/)
@s.should_not.matched?
@s[:a].should be_nil
end
end
version_is StringScanner::Version, "3.1.1" do # ruby_version_is "3.4"
context "when #skip_until was called with a String pattern" do
# https://github.com/ruby/strscan/issues/139
ruby_version_is ""..."3.5" do # Don't run on 3.5.0dev that already contains not released fixes
version_is StringScanner::Version, "3.1.1"..."3.1.3" do # ruby_version_is "3.4.0"..."3.4.3"
it "returns nil when matching succeeded" do
@s.skip_until("This")
@s.should.matched?
@s[:a].should be_nil
end
end
end
version_is StringScanner::Version, "3.1.3" do # ruby_version_is "3.4.3"
it "raises IndexError when matching succeeded" do
@s.skip_until("This")
@s.should.matched?
-> { @s[:a] }.should raise_error(IndexError)
end
end
it "returns nil when matching failed" do
@s.skip_until("2008")
@s.should_not.matched?
@s[:a].should be_nil
end
it "returns a matching substring when given Integer index" do
@s.skip_until("This")
@s[0].should == "This"
end
# https://github.com/ruby/strscan/issues/135
ruby_version_is ""..."3.5" do # Don't run on 3.5.0dev that already contains not released fixes
version_is StringScanner::Version, "3.1.1"..."3.1.3" do # ruby_version_is "3.4.0"..."3.4.3"
it "ignores the previous matching with Regexp" do
@s.exist?(/(?<a>This)/)
@s.should.matched?
@s[:a].should == "This"
@s.skip_until("This")
@s.should.matched?
@s[:a].should be_nil
end
end
end
version_is StringScanner::Version, "3.1.3" do # ruby_version_is "3.4"
it "ignores the previous matching with Regexp" do
@s.exist?(/(?<a>This)/)
@s.should.matched?
@s[:a].should == "This"
@s.skip_until("This")
@s.should.matched?
-> { @s[:a] }.should raise_error(IndexError)
end
end
end
end
end
end
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