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Versions: 23
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Contents
require File.expand_path("../../base", __FILE__)
require 'pathname'
describe Vagrant::DataStore do
include_context "unit"
let(:db_file) do
# We create a tempfile and force an explicit close/unlink
# but save the path so that we can re-use it multiple times
temp = Tempfile.new("vagrant")
result = Pathname.new(temp.path)
temp.close
temp.unlink
result
end
let(:instance) { described_class.new(db_file) }
it "initializes a new DB file" do
instance[:data] = true
instance.commit
instance[:data].should == true
test = described_class.new(db_file)
test[:data].should == true
end
it "initializes empty if the file contains invalid data" do
db_file.open("w+") { |f| f.write("NOPE!") }
described_class.new(db_file).should be_empty
end
it "initializes empty if the file doesn't exist" do
described_class.new("NOPENOPENOPENOPENPEPEPEPE").should be_empty
end
it "raises an error if the path given is a directory" do
db_file.delete if db_file.exist?
db_file.mkdir
expect { described_class.new(db_file) }.
to raise_error(Vagrant::Errors::DotfileIsDirectory)
end
it "cleans nil and empties when committing" do
instance[:data] = { :bar => nil }
instance[:another] = {}
instance.commit
# The instance is now empty because the data was nil
instance.should be_empty
end
it "deletes the data file if the store is empty when saving" do
instance[:data] = true
instance.commit
another = described_class.new(db_file)
another[:data] = nil
another.commit
# The file should no longer exist
db_file.should_not be_exist
end
it "works if the DB file is nil" do
store = described_class.new(nil)
store[:foo] = "bar"
store[:foo].should == "bar"
end
it "throws an exception if attempting to commit a data store with no file" do
store = described_class.new(nil)
expect { store.commit }.
to raise_error(StandardError)
end
end
Version data entries
23 entries across 23 versions & 6 rubygems