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

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require 'test/test_helper'
class TestCursor < Test::Unit::TestCase
context "Cursor options" do
setup do
@connection = stub(:class => Connection)
@db = stub(:name => "testing", :slave_ok? => false, :connection => @connection)
@collection = stub(:db => @db, :name => "items")
@cursor = Cursor.new(@collection)
end
should "set admin to false" do
assert_equal false, @cursor.admin
@cursor = Cursor.new(@collection, :admin => true)
assert_equal true, @cursor.admin
end
should "set selector" do
assert @cursor.selector == {}
@cursor = Cursor.new(@collection, :selector => {:name => "Jones"})
assert @cursor.selector == {:name => "Jones"}
end
should "set fields" do
assert_nil @cursor.fields
@cursor = Cursor.new(@collection, :fields => [:name, :date])
assert @cursor.fields == {:name => 1, :date => 1}
end
should "set limit" do
assert_equal 0, @cursor.limit
@cursor = Cursor.new(@collection, :limit => 10)
assert_equal 10, @cursor.limit
end
should "set skip" do
assert_equal 0, @cursor.skip
@cursor = Cursor.new(@collection, :skip => 5)
assert_equal 5, @cursor.skip
end
should "set sort order" do
assert_nil @cursor.order
@cursor = Cursor.new(@collection, :order => "last_name")
assert_equal "last_name", @cursor.order
end
should "set hint" do
assert_nil @cursor.hint
@cursor = Cursor.new(@collection, :hint => "name")
assert_equal "name", @cursor.hint
end
should "cache full collection name" do
assert_equal "testing.items", @cursor.full_collection_name
end
end
context "Query fields" do
setup do
@connection = stub(:class => Collection)
@db = stub(:slave_ok? => true, :name => "testing", :connection => @connection)
@collection = stub(:db => @db, :name => "items")
end
should "when an array should return a hash with each key" do
@cursor = Cursor.new(@collection, :fields => [:name, :age])
result = @cursor.fields
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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