mongo-ruby-driver/test/grid_test.rb

129 lines
3.8 KiB
Ruby

require 'test/test_helper'
include Mongo
class GridTest < Test::Unit::TestCase
context "Tests:" do
setup do
@db ||= Connection.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT).db('ruby-mongo-test')
@files = @db.collection('test-fs.files')
@chunks = @db.collection('test-fs.chunks')
end
teardown do
@files.remove
@chunks.remove
end
context "A basic grid-stored file" do
setup do
@data = "GRIDDATA" * 50000
@grid = Grid.new(@db, 'test-fs')
@id = @grid.put(@data, 'sample', :metadata => {'app' => 'photos'})
end
should "retrieve the stored data" do
data = @grid.get(@id).data
assert_equal @data, data
end
should "store the filename" do
file = @grid.get(@id)
assert_equal 'sample', file.filename
end
should "store any relevant metadata" do
file = @grid.get(@id)
assert_equal 'photos', file.metadata['app']
end
should "delete the file and any chunks" do
@grid.delete(@id)
assert_raise GridError do
@grid.get(@id)
end
assert_equal nil, @db['test-fs']['chunks'].find_one({:files_id => @id})
end
end
context "Filename not required" do
setup do
@data = "GRIDDATA" * 50000
@grid = Grid.new(@db, 'test-fs')
@metadata = {'app' => 'photos'}
end
should "store the file with the old filename api" do
id = @grid.put(@data, 'sample', :metadata => @metadata)
file = @grid.get(id)
assert_equal 'sample', file.filename
assert_equal @metadata, file.metadata
end
should "store without a filename" do
id = @grid.put(@data, :metadata => @metadata)
file = @grid.get(id)
assert_nil file.filename
assert_equal @metadata, file.metadata
end
should "store with filename and metadata with the new api" do
id = @grid.put(@data, :filename => 'sample', :metadata => @metadata)
file = @grid.get(id)
assert_equal 'sample', file.filename
assert_equal @metadata, file.metadata
end
end
context "Storing data with a length of zero" do
setup do
@grid = Grid.new(@db, 'test-fs')
@id = @grid.put('', 'sample', :metadata => {'app' => 'photos'})
end
should "return the zero length" do
data = @grid.get(@id)
assert_equal 0, data.read.length
end
end
context "Streaming: " do || {}
setup do
def read_and_write_stream(filename, read_length, opts={})
io = File.open(File.join(File.dirname(__FILE__), 'data', filename), 'r')
id = @grid.put(io, filename + read_length.to_s, opts)
file = @grid.get(id)
io.rewind
data = io.read
if data.respond_to?(:force_encoding)
data.force_encoding(:binary)
end
read_data = ""
while(chunk = file.read(read_length))
read_data << chunk
end
assert_equal data.length, read_data.length
end
@grid = Grid.new(@db, 'test-fs')
end
should "put and get a small io object with a small chunk size" do
read_and_write_stream('small_data.txt', 1, :chunk_size => 2)
end
should "put and get a small io object" do
read_and_write_stream('small_data.txt', 1)
end
should "put and get a large io object when reading smaller than the chunk size" do
read_and_write_stream('sample_file.pdf', 256 * 1024)
end
should "put and get a large io object when reading larger than the chunk size" do
read_and_write_stream('sample_file.pdf', 300 * 1024)
end
end
end
end