mongo-ruby-driver/test/test_cursor.rb

366 lines
9.7 KiB
Ruby

require 'test/test_helper'
require 'logger'
# NOTE: assumes Mongo is running
class CursorTest < Test::Unit::TestCase
include Mongo
@@connection = Connection.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT)
@@db = @@connection.db('ruby-mongo-test')
@@coll = @@db.collection('test')
@@version = @@connection.server_version
def setup
@@coll.remove
@@coll.insert('a' => 1) # collection not created until it's used
@@coll_full_name = 'ruby-mongo-test.test'
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_count
@@coll.remove
assert_equal 0, @@coll.find().count()
10.times do |i|
@@coll.save("x" => i)
end
assert_equal 10, @@coll.find().count()
assert_kind_of Integer, @@coll.find().count()
assert_equal 10, @@coll.find({}, :limit => 5).count()
assert_equal 10, @@coll.find({}, :skip => 5).count()
assert_equal 1, @@coll.find({"x" => 1}).count()
assert_equal 5, @@coll.find({"x" => {"$lt" => 5}}).count()
a = @@coll.find()
b = a.count()
a.each do |doc|
break
end
assert_equal b, a.count()
assert_equal 0, @@db['acollectionthatdoesn'].count()
end
def test_next_object_deprecation
@@coll.remove
@@coll.insert({"a" => 1})
assert_equal 1, @@coll.find().next_object["a"]
end
def test_sort
@@coll.remove
5.times{|x| @@coll.insert({"age" => x}) }
assert_kind_of Cursor, @@coll.find().sort(:age, 1)
assert_equal 0, @@coll.find().sort(:age, 1).next_document["age"]
assert_equal 4, @@coll.find().sort(:age, -1).next_document["age"]
assert_equal 0, @@coll.find().sort([["age", :asc]]).next_document["age"]
assert_kind_of Cursor, @@coll.find().sort([[:age, -1], [:b, 1]])
assert_equal 4, @@coll.find().sort(:age, 1).sort(:age, -1).next_document["age"]
assert_equal 0, @@coll.find().sort(:age, -1).sort(:age, 1).next_document["age"]
assert_equal 4, @@coll.find().sort([:age, :asc]).sort(:age, -1).next_document["age"]
assert_equal 0, @@coll.find().sort([:age, :desc]).sort(:age, 1).next_document["age"]
cursor = @@coll.find()
cursor.next_document
assert_raise InvalidOperation do
cursor.sort(["age"])
end
assert_raise InvalidSortValueError do
@@coll.find().sort(:age, 25).next_document
end
assert_raise InvalidSortValueError do
@@coll.find().sort(25).next_document
end
end
def test_sort_date
@@coll.remove
5.times{|x| @@coll.insert({"created_at" => Time.utc(2000 + x)}) }
assert_equal 2000, @@coll.find().sort(:created_at, :asc).next_document["created_at"].year
assert_equal 2004, @@coll.find().sort(:created_at, :desc).next_document["created_at"].year
assert_equal 2000, @@coll.find().sort([:created_at, :asc]).next_document["created_at"].year
assert_equal 2004, @@coll.find().sort([:created_at, :desc]).next_document["created_at"].year
assert_equal 2000, @@coll.find().sort([[:created_at, :asc]]).next_document["created_at"].year
assert_equal 2004, @@coll.find().sort([[:created_at, :desc]]).next_document["created_at"].year
end
def test_sort_min_max_keys
@@coll.remove
@@coll.insert({"n" => 1000000})
@@coll.insert({"n" => -1000000})
@@coll.insert({"n" => MaxKey.new})
@@coll.insert({"n" => MinKey.new})
results = @@coll.find.sort([:n, :asc]).to_a
assert_equal MinKey.new, results[0]['n']
assert_equal -1000000, results[1]['n']
assert_equal 1000000, results[2]['n']
assert_equal MaxKey.new, results[3]['n']
end
def test_limit
@@coll.remove
10.times do |i|
@@coll.save("x" => i)
end
assert_equal 10, @@coll.find().count()
results = @@coll.find().limit(5).to_a
assert_equal 5, results.length
end
def test_limit_exceptions
assert_raise ArgumentError do
cursor = @@coll.find().limit('not-an-integer')
end
cursor = @@coll.find()
firstResult = cursor.next_document
assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
cursor.limit(1)
end
cursor = @@coll.find()
cursor.close
assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
cursor.limit(1)
end
end
def test_skip
@@coll.remove
10.times do |i|
@@coll.save("x" => i)
end
assert_equal 10, @@coll.find().count()
all_results = @@coll.find().to_a
skip_results = @@coll.find().skip(2).to_a
assert_equal 10, all_results.length
assert_equal 8, skip_results.length
assert_equal all_results.slice(2...10), skip_results
end
def test_skip_exceptions
assert_raise ArgumentError do
cursor = @@coll.find().skip('not-an-integer')
end
cursor = @@coll.find()
firstResult = cursor.next_document
assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
cursor.skip(1)
end
cursor = @@coll.find()
cursor.close
assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
cursor.skip(1)
end
end
def test_limit_skip_chaining
@@coll.remove
10.times do |i|
@@coll.save("x" => i)
end
all_results = @@coll.find().to_a
limited_skip_results = @@coll.find().limit(5).skip(3).to_a
assert_equal all_results.slice(3...8), limited_skip_results
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
def test_refill_via_get_more
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
end
def test_refill_via_get_more_alt_coll
coll = @@db.collection('test-alt-coll')
coll.remove
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
end
def test_close_after_query_sent
begin
cursor = @@coll.find('a' => 1)
cursor.next_document
cursor.close
assert cursor.closed?
rescue => ex
fail ex.to_s
end
end
def test_kill_cursors
@@coll.drop
client_cursors = @@db.command("cursorInfo" => 1)["clientCursors_size"]
by_location = @@db.command("cursorInfo" => 1)["byLocation_size"]
10000.times do |i|
@@coll.insert("i" => i)
end
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
10.times do |i|
@@coll.find_one()
end
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
10.times do |i|
a = @@coll.find()
a.next_document
a.close()
end
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
a = @@coll.find()
a.next_document
assert_not_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_not_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
a.close()
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
a = @@coll.find({}, :limit => 10).next_document
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
@@coll.find() do |cursor|
cursor.next_document
end
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
@@coll.find() { |cursor|
cursor.next_document
}
assert_equal(client_cursors,
@@db.command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.command("cursorInfo" => 1)["byLocation_size"])
end
def test_count_with_fields
@@coll.remove
@@coll.save("x" => 1)
if @@version < "1.1.3"
assert_equal(0, @@coll.find({}, :fields => ["a"]).count())
else
assert_equal(1, @@coll.find({}, :fields => ["a"]).count())
end
end
end