mongo-ruby-driver/tests/test_cursor.rb

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$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
require 'mongo'
require 'test/unit'
# NOTE: assumes Mongo is running
class CursorTest < Test::Unit::TestCase
include XGen::Mongo::Driver
@@db = Mongo.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
ENV['MONGO_RUBY_DRIVER_PORT'] || Mongo::DEFAULT_PORT).db('ruby-mongo-test')
@@coll = @@db.collection('test')
def setup
@@coll.clear
@@coll.insert('a' => 1) # collection not created until it's used
@@coll_full_name = 'ruby-mongo-test.test'
end
def teardown
@@coll.clear
@@db.error
end
def test_explain
cursor = @@coll.find('a' => 1)
explaination = cursor.explain
assert_not_nil explaination['cursor']
assert_kind_of Numeric, explaination['n']
assert_kind_of Numeric, explaination['millis']
assert_kind_of Numeric, explaination['nscanned']
end
def test_close_no_query_sent
begin
cursor = @@coll.find('a' => 1)
cursor.close
assert cursor.closed?
rescue => ex
fail ex.to_s
end
end
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def test_refill_via_get_more
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begin
assert_equal 1, @@coll.count
1000.times { |i|
assert_equal 1 + i, @@coll.count
@@coll.insert('a' => i)
}
assert_equal 1001, @@coll.count
count = 0
@@coll.find.each { |obj|
count += obj['a']
}
assert_equal 1001, @@coll.count
# do the same thing again for debugging
assert_equal 1001, @@coll.count
count2 = 0
@@coll.find.each { |obj|
count2 += obj['a']
}
assert_equal 1001, @@coll.count
assert_equal count, count2
assert_equal 499501, count
rescue Test::Unit::AssertionFailedError => ex
p @@db.collection_names
Process.exit 1
end
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end
def test_refill_via_get_more_alt_coll
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begin
coll = @@db.collection('test-alt-coll')
coll.clear
coll.insert('a' => 1) # collection not created until it's used
assert_equal 1, coll.count
1000.times { |i|
assert_equal 1 + i, coll.count
coll.insert('a' => i)
}
assert_equal 1001, coll.count
count = 0
coll.find.each { |obj|
count += obj['a']
}
assert_equal 1001, coll.count
# do the same thing again for debugging
assert_equal 1001, coll.count
count2 = 0
coll.find.each { |obj|
count2 += obj['a']
}
assert_equal 1001, coll.count
assert_equal count, count2
assert_equal 499501, count
rescue Test::Unit::AssertionFailedError => ex
p @@db.collection_names
Process.exit 1
end
end
def test_close_after_query_sent
begin
cursor = @@coll.find('a' => 1)
cursor.next_object
cursor.close
assert cursor.closed?
rescue => ex
fail ex.to_s
end
end
end