mongo-ruby-driver/test/unit/cursor_test.rb

131 lines
4.2 KiB
Ruby

require File.expand_path("../../test_helper", __FILE__)
class CursorTest < Test::Unit::TestCase
context "Cursor options" do
setup do
@logger = mock()
@logger.stubs(:debug)
@connection = stub(:class => Connection, :logger => @logger,
:slave_ok? => false, :read_preference => :primary, :log_duration => false)
@db = stub(:name => "testing", :slave_ok? => false,
:connection => @connection, :read_preference => :primary)
@collection = stub(:db => @db, :name => "items", :read_preference => :primary)
@cursor = Cursor.new(@collection)
end
should "set timeout" do
assert @cursor.timeout
assert @cursor.query_options_hash[:timeout]
end
should "set selector" do
assert_equal({}, @cursor.selector)
@cursor = Cursor.new(@collection, :selector => {:name => "Jones"})
assert_equal({:name => "Jones"}, @cursor.selector)
assert_equal({:name => "Jones"}, @cursor.query_options_hash[:selector])
end
should "set fields" do
assert_nil @cursor.fields
@cursor = Cursor.new(@collection, :fields => [:name, :date])
assert_equal({:name => 1, :date => 1}, @cursor.fields)
assert_equal({:name => 1, :date => 1}, @cursor.query_options_hash[:fields])
end
should "set mix fields 0 and 1" do
assert_nil @cursor.fields
@cursor = Cursor.new(@collection, :fields => {:name => 1, :date => 0})
assert_equal({:name => 1, :date => 0}, @cursor.fields)
assert_equal({:name => 1, :date => 0}, @cursor.query_options_hash[:fields])
end
should "set limit" do
assert_equal 0, @cursor.limit
@cursor = Cursor.new(@collection, :limit => 10)
assert_equal 10, @cursor.limit
assert_equal 10, @cursor.query_options_hash[:limit]
end
should "set skip" do
assert_equal 0, @cursor.skip
@cursor = Cursor.new(@collection, :skip => 5)
assert_equal 5, @cursor.skip
assert_equal 5, @cursor.query_options_hash[:skip]
end
should "set sort order" do
assert_nil @cursor.order
@cursor = Cursor.new(@collection, :order => "last_name")
assert_equal "last_name", @cursor.order
assert_equal "last_name", @cursor.query_options_hash[:order]
end
should "set hint" do
assert_nil @cursor.hint
@cursor = Cursor.new(@collection, :hint => "name")
assert_equal "name", @cursor.hint
assert_equal "name", @cursor.query_options_hash[:hint]
end
should "cache full collection name" do
assert_equal "testing.items", @cursor.full_collection_name
end
should "raise error when batch_size is 1" do
e = assert_raise ArgumentError do
@cursor.batch_size(1)
end
assert_equal "Invalid value for batch_size 1; must be 0 or > 1.", e.message
end
should "use the limit for batch size when it's smaller than the specified batch_size" do
@cursor.limit(99)
@cursor.batch_size(100)
assert_equal 99, @cursor.batch_size
end
should "use the specified batch_size" do
@cursor.batch_size(100)
assert_equal 100, @cursor.batch_size
end
end
context "Query fields" do
setup do
@logger = mock()
@logger.stubs(:debug)
@connection = stub(:class => Connection, :logger => @logger, :slave_ok? => false,
:log_duration => false)
@db = stub(:slave_ok? => true, :name => "testing", :connection => @connection)
@collection = stub(:db => @db, :name => "items", :read_preference => :primary)
end
should "when an array should return a hash with each key" do
@cursor = Cursor.new(@collection, :fields => [:name, :age])
result = @cursor.fields
assert_equal result.keys.sort{|a,b| a.to_s <=> b.to_s}, [:age, :name].sort{|a,b| a.to_s <=> b.to_s}
assert result.values.all? {|v| v == 1}
end
should "when a string, return a hash with just the key" do
@cursor = Cursor.new(@collection, :fields => "name")
result = @cursor.fields
assert_equal result.keys.sort, ["name"]
assert result.values.all? {|v| v == 1}
end
should "return nil when neither hash nor string nor symbol" do
@cursor = Cursor.new(@collection, :fields => 1234567)
assert_nil @cursor.fields
end
end
end