64 lines
1.8 KiB
Ruby
64 lines
1.8 KiB
Ruby
# frozen_string_literal: true
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require "extend/pathname/write_mkpath_extension"
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# Use a copy of Pathname with the WriteMkpathExtension prepended to avoid affecting the original class for all tests
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class PathnameCopy < Pathname
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PathnameCopy.prepend WriteMkpathExtension
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end
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RSpec.describe WriteMkpathExtension do
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let(:file_content) { "sample contents" }
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it "creates parent directories if they do not exist" do
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mktmpdir do |tmpdir|
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file = PathnameCopy.new(tmpdir/"foo/bar/baz.txt")
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expect(file.dirname).not_to exist
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file.write(file_content)
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expect(file).to exist
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expect(file.read).to eq(file_content)
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end
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end
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it "raises if file exists and not in append mode or with offset" do
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mktmpdir do |tmpdir|
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file = PathnameCopy.new(tmpdir/"file.txt")
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file.write(file_content)
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expect { file.write("new content") }.to raise_error(RuntimeError, /Will not overwrite/)
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end
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end
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it "allows overwrite if offset is provided" do
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mktmpdir do |tmpdir|
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file = PathnameCopy.new(tmpdir/"file.txt")
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file.write(file_content)
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expect do
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file.write("change", 0)
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end.not_to raise_error
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expect(file.read).to eq("change contents")
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end
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end
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it "allows append mode ('a')" do
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mktmpdir do |tmpdir|
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file = PathnameCopy.new(tmpdir/"file.txt")
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file.write(file_content)
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expect do
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file.write(" appended", mode: "a")
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end.not_to raise_error
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expect(file.read).to eq("#{file_content} appended")
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end
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end
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it "allows append mode ('a+')" do
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mktmpdir do |tmpdir|
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file = PathnameCopy.new(tmpdir/"file.txt")
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file.write(file_content)
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expect do
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file.write(" again", mode: "a+")
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end.not_to raise_error
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expect(file.read).to include("again")
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end
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end
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end
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