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Contents
require 'spec_helper'
require 'puppet/util/yaml'
describe Puppet::Util::Yaml do
include PuppetSpec::Files
let(:filename) { tmpfile("yaml") }
it "reads a YAML file from disk" do
write_file(filename, YAML.dump({ "my" => "data" }))
expect(Puppet::Util::Yaml.load_file(filename)).to eq({ "my" => "data" })
end
it "writes data formatted as YAML to disk" do
Puppet::Util::Yaml.dump({ "my" => "data" }, filename)
expect(Puppet::Util::Yaml.load_file(filename)).to eq({ "my" => "data" })
end
it "raises an error when the file is invalid YAML" do
write_file(filename, "{ invalid")
expect { Puppet::Util::Yaml.load_file(filename) }.to raise_error(Puppet::Util::Yaml::YamlLoadError)
end
it "raises an error when the file does not exist" do
expect { Puppet::Util::Yaml.load_file("no") }.to raise_error(Puppet::Util::Yaml::YamlLoadError, /No such file or directory/)
end
it "raises an error when the filename is illegal" do
expect { Puppet::Util::Yaml.load_file("not\0allowed") }.to raise_error(Puppet::Util::Yaml::YamlLoadError, /null byte/)
end
context "when the file is empty" do
it "returns false" do
Puppet::FileSystem.touch(filename)
expect(Puppet::Util::Yaml.load_file(filename)).to be_false
end
it "allows return value to be overridden" do
Puppet::FileSystem.touch(filename)
expect(Puppet::Util::Yaml.load_file(filename, {})).to eq({})
end
end
def write_file(name, contents)
File.open(name, "w") do |fh|
fh.write(contents)
end
end
end
Version data entries
57 entries across 57 versions & 1 rubygems