37 lines
1.1 KiB
Ruby
37 lines
1.1 KiB
Ruby
require_relative '../spec_helper'
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describe "The -n command line option" do
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before :each do
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@names = fixture __FILE__, "names.txt"
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end
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it "runs the code in loop conditional on Kernel.gets()" do
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ruby_exe("puts $_", options: "-n", escape: true,
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args: " < #{@names}").should ==
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"alice\nbob\njames\n"
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end
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it "only evaluates BEGIN blocks once" do
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ruby_exe("BEGIN { puts \"hi\" }; puts $_", options: "-n", escape: true,
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args: " < #{@names}").should ==
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"hi\nalice\nbob\njames\n"
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end
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it "only evaluates END blocks once" do
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ruby_exe("puts $_; END {puts \"bye\"}", options: "-n", escape: true,
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args: " < #{@names}").should ==
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"alice\nbob\njames\nbye\n"
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end
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it "allows summing over a whole file" do
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script = <<-script
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BEGIN { $total = 0 }
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$total += 1
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END { puts $total }
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script
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ruby_exe(script, options: "-n", escape: true,
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args: " < #{@names}").should ==
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"3\n"
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end
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end
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