70 lines
1.7 KiB
Ruby
70 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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require "tempfile"
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require "utils/inreplace"
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describe Utils::Inreplace do
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let(:file) { Tempfile.new("test") }
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before do
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File.binwrite(file, <<~EOS)
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a
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b
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c
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EOS
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end
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after { file.unlink }
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it "raises error if there are no files given to replace" do
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expect do
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described_class.inreplace [], "d", "f"
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end.to raise_error(Utils::Inreplace::Error)
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end
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it "raises error if there is nothing to replace" do
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expect do
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described_class.inreplace file.path, "d", "f"
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end.to raise_error(Utils::Inreplace::Error)
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end
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it "raises error if there is nothing to replace in block form" do
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expect do
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described_class.inreplace(file.path) do |s|
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s.gsub!("d", "f") # rubocop:disable Performance/StringReplacement
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end
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end.to raise_error(Utils::Inreplace::Error)
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end
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it "raises error if there is no make variables to replace" do
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expect do
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described_class.inreplace(file.path) do |s|
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s.change_make_var! "VAR", "value"
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s.remove_make_var! "VAR2"
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end
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end.to raise_error(Utils::Inreplace::Error)
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end
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describe "#inreplace_pairs" do
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it "raises error if there is no old value" do
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expect do
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described_class.inreplace_pairs(file.path, [[nil, "f"]])
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end.to raise_error(Utils::Inreplace::Error)
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end
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end
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describe "#gsub!" do
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it "substitutes pathname within file" do
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# For a specific instance of this, see https://github.com/Homebrew/homebrew-core/blob/a8b0b10/Formula/loki.rb#L48
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described_class.inreplace(file.path) do |s|
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s.gsub!(Pathname("b"), Pathname("f"))
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end
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expect(File.binread(file)).to eq <<~EOS
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a
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f
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c
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EOS
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end
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end
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end
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