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describe :argf_gets, shared: true do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@stdin_name = fixture __FILE__, "stdin.txt"
@file1 = File.readlines @file1_name
@file2 = File.readlines @file2_name
@stdin = File.read @stdin_name
end
it "reads one line of a file" do
argf [@file1_name] do
@argf.send(@method).should == @file1.first
end
end
it "reads all lines of a file" do
argf [@file1_name] do
lines = []
@file1.size.times { lines << @argf.send(@method) }
lines.should == @file1
end
end
it "reads all lines of stdin" do
total = @stdin.count $/
stdin = ruby_exe(
"#{total}.times { print ARGF.send(#{@method.inspect}) }",
args: "< #{@stdin_name}")
stdin.should == @stdin
end
it "reads all lines of two files" do
argf [@file1_name, @file2_name] do
total = @file1.size + @file2.size
lines = []
total.times { lines << @argf.send(@method) }
lines.should == @file1 + @file2
end
end
it "sets $_ global variable with each line read" do
argf [@file1_name, @file2_name] do
total = @file1.size + @file2.size
total.times do
line = @argf.send(@method)
$_.should == line
end
end
end
end
describe :argf_gets_inplace_edit, shared: true do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@tmp1_name = tmp "file1.txt"
@tmp2_name = tmp "file2.txt"
@tmp1_name_bak = @tmp1_name + ".bak"
@tmp2_name_bak = @tmp2_name + ".bak"
cp @file1_name, @tmp1_name
cp @file2_name, @tmp2_name
method = "ARGF.send(#{@method.inspect})"
@code = "begin while line = #{method} do puts 'x' end rescue EOFError; end"
end
after :each do
rm_r @tmp1_name, @tmp2_name, @tmp1_name_bak, @tmp2_name_bak
end
# -i with no backup extension is not supported on Windows
platform_is_not :windows do
it "modifies the files when in place edit mode is on" do
ruby_exe(@code,
options: "-i",
args: "#{@tmp1_name} #{@tmp2_name}")
File.read(@tmp1_name).should == "x\nx\n"
File.read(@tmp2_name).should == "x\nx\n"
end
end
it "modifies and backups two files when in place edit mode is on" do
ruby_exe(@code,
options: "-i.bak",
args: "#{@tmp1_name} #{@tmp2_name}")
File.read(@tmp1_name).should == "x\nx\n"
File.read(@tmp2_name).should == "x\nx\n"
File.read(@tmp1_name_bak).should == "file1.1\nfile1.2\n"
File.read(@tmp2_name_bak).should == "line2.1\nline2.2\n"
end
end
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