/Languages/Ruby/Tests/mspec/rubyspec/core/kernel/gsub_spec.rb
Ruby | 95 lines | 82 code | 11 blank | 2 comment | 11 complexity | 45d97dd6da4e41fe2cd6311d3914b9e9 MD5 | raw file
Possible License(s): CPL-1.0, BSD-3-Clause, ISC, GPL-2.0, MPL-2.0-no-copyleft-exception
- require File.dirname(__FILE__) + '/../../spec_helper'
- require File.dirname(__FILE__) + '/fixtures/classes'
- # FIXME: These methods exist on 1.9 only when the -n or -p option is passed to
- # ruby, but we currently don't have a way of specifying that.
- ruby_version_is ""..."1.9" do
- describe "Kernel#gsub" do
- it "is a private method" do
- Kernel.should have_private_instance_method(:gsub)
- end
- it "raises a TypeError if $_ is not a String" do
- lambda {
- $_ = 123
- gsub /./, "!"
- }.should raise_error(TypeError)
- end
- it "when matches sets $_ to a new string, leaving the former value unaltered" do
- orig_value = $_ = "hello"
- gsub "ello", "ola"
- $_.should_not equal(orig_value)
- $_.should == "hola"
- orig_value.should == "hello"
- end
- it "returns a string with the same contents as $_ after the operation" do
- $_ = "bye"
- gsub("non-match", "?").should == "bye"
- orig_value = $_ = "bye"
- gsub(/$/, "!").should == "bye!"
- end
- it "accepts Regexps as patterns" do
- $_ = "food"
- gsub /.$/, "l"
- $_.should == "fool"
- end
- it "accepts Strings as patterns, treated literally" do
- $_ = "hello, world."
- gsub ".", "!"
- $_.should == "hello, world!"
- end
- it "accepts objects which respond to #to_str as patterns and treats them as strings" do
- $_ = "hello, world."
- stringlike = mock(".")
- stringlike.should_receive(:to_str).and_return(".")
- gsub stringlike, "!"
- $_.should == "hello, world!"
- end
- end
- describe "Kernel#gsub with a pattern and replacement" do
- it "accepts strings for replacement" do
- $_ = "hello"
- gsub /./, "."
- $_.should == "....."
- end
- it "accepts objects which respond to #to_str for replacement" do
- o = mock("o")
- o.should_receive(:to_str).and_return("o")
- $_ = "ping"
- gsub "i", o
- $_.should == "pong"
- end
- it "replaces \\1 sequences with the regexp's corresponding capture" do
- $_ = "hello!"
- gsub /(.)(.)/, '\2\1'
- $_.should == "ehll!o"
- end
- end
- describe "Kernel#gsub with pattern and block" do
- it "acts similarly to using $_.gsub" do
- $_ = "olleh dlrow"
- gsub(/(\w+)/){ $1.reverse }
- $_.should == "hello world"
- end
- end
- describe "Kernel#gsub!" do
- it "is a private method" do
- Kernel.should have_private_instance_method(:gsub!)
- end
- end
- describe "Kernel.gsub!" do
- it "needs to be reviewed for spec completeness"
- end
- end