mongo-ruby-driver/tests/test_db_api.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 DBAPITest < Test::Unit::TestCase
include XGen::Mongo::Driver
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def setup
host = ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost'
port = ENV['MONGO_RUBY_DRIVER_PORT'] || Mongo::DEFAULT_PORT
@db = Mongo.new(host, port).db('ruby-mongo-test')
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@coll = @db.collection('test')
@coll.clear
@r1 = @coll.insert('a' => 1) # collection not created until it's used
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@coll_full_name = 'ruby-mongo-test.test'
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end
def teardown
if @db.connected?
@coll.clear unless @coll == nil
@db.close
end
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end
def test_clear
assert_equal 1, @coll.count
@coll.clear
assert_equal 0, @coll.count
end
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def test_insert
@coll.insert('a' => 2)
@coll.insert('b' => 3)
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assert_equal 3, @coll.count
docs = @coll.find().to_a
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assert_equal 3, docs.length
assert docs.detect { |row| row['a'] == 1 }
assert docs.detect { |row| row['a'] == 2 }
assert docs.detect { |row| row['b'] == 3 }
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@coll << {'b' => 4}
docs = @coll.find().to_a
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assert_equal 4, docs.length
assert docs.detect { |row| row['b'] == 4 }
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end
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def test_find_simple
@r2 = @coll.insert('a' => 2)
@r3 = @coll.insert('b' => 3)
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# Check sizes
docs = @coll.find().to_a
assert_equal 3, docs.size
assert_equal 3, @coll.count
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# Find by other value
docs = @coll.find('a' => @r1['a']).to_a
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assert_equal 1, docs.size
doc = docs.first
assert_equal doc['_id'], @r1['_id']
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assert_equal doc['a'], @r1['a']
end
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def test_find_advanced
@coll.insert('a' => 2)
@coll.insert('b' => 3)
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# Find by advanced query (less than)
docs = @coll.find('a' => { '$lt' => 10 }).to_a
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assert_equal 2, docs.size
assert docs.detect { |row| row['a'] == 1 }
assert docs.detect { |row| row['a'] == 2 }
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# Find by advanced query (greater than)
docs = @coll.find('a' => { '$gt' => 1 }).to_a
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assert_equal 1, docs.size
assert docs.detect { |row| row['a'] == 2 }
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# Find by advanced query (less than or equal to)
docs = @coll.find('a' => { '$lte' => 1 }).to_a
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assert_equal 1, docs.size
assert docs.detect { |row| row['a'] == 1 }
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# Find by advanced query (greater than or equal to)
docs = @coll.find('a' => { '$gte' => 1 }).to_a
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assert_equal 2, docs.size
assert docs.detect { |row| row['a'] == 1 }
assert docs.detect { |row| row['a'] == 2 }
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# Find by advanced query (between)
docs = @coll.find('a' => { '$gt' => 1, '$lt' => 3 }).to_a
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assert_equal 1, docs.size
assert docs.detect { |row| row['a'] == 2 }
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# Find by advanced query (in clause)
docs = @coll.find('a' => {'$in' => [1,2]}).to_a
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assert_equal 2, docs.size
assert docs.detect { |row| row['a'] == 1 }
assert docs.detect { |row| row['a'] == 2 }
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# Find by advanced query (regexp)
docs = @coll.find('a' => /[1|2]/).to_a
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assert_equal 2, docs.size
assert docs.detect { |row| row['a'] == 1 }
assert docs.detect { |row| row['a'] == 2 }
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end
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def test_find_sorting
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@coll.clear
@coll.insert('a' => 1, 'b' => 2)
@coll.insert('a' => 2, 'b' => 1)
@coll.insert('a' => 3, 'b' => 2)
@coll.insert('a' => 4, 'b' => 1)
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# Sorting (ascending)
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => {'a' => 1}).to_a
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assert_equal 4, docs.size
assert_equal 1, docs[0]['a']
assert_equal 2, docs[1]['a']
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assert_equal 3, docs[2]['a']
assert_equal 4, docs[3]['a']
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# Sorting (descending)
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => {'a' => -1}).to_a
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assert_equal 4, docs.size
assert_equal 4, docs[0]['a']
assert_equal 3, docs[1]['a']
assert_equal 2, docs[2]['a']
assert_equal 1, docs[3]['a']
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# Sorting using array of names; assumes ascending order.
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => ['a']).to_a
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assert_equal 4, docs.size
assert_equal 1, docs[0]['a']
assert_equal 2, docs[1]['a']
assert_equal 3, docs[2]['a']
assert_equal 4, docs[3]['a']
# Sorting using single name; assumes ascending order.
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => 'a').to_a
assert_equal 4, docs.size
assert_equal 1, docs[0]['a']
assert_equal 2, docs[1]['a']
assert_equal 3, docs[2]['a']
assert_equal 4, docs[3]['a']
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => ['b', 'a']).to_a
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assert_equal 4, docs.size
assert_equal 2, docs[0]['a']
assert_equal 4, docs[1]['a']
assert_equal 1, docs[2]['a']
assert_equal 3, docs[3]['a']
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# Sorting using empty array; no order guarantee but should not blow up.
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => []).to_a
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assert_equal 4, docs.size
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# Sorting using ordered hash. You can use an unordered one, but then the
# order of the keys won't be guaranteed thus your sort won't make sense.
oh = OrderedHash.new
oh['a'] = -1
docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => oh).to_a
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assert_equal 4, docs.size
assert_equal 4, docs[0]['a']
assert_equal 3, docs[1]['a']
assert_equal 2, docs[2]['a']
assert_equal 1, docs[3]['a']
# TODO this will not pass due to known Mongo bug #898
# oh = OrderedHash.new
# oh['b'] = -1
# oh['a'] = 1
# docs = @coll.find({'a' => { '$lt' => 10 }}, :sort => oh).to_a
# assert_equal 4, docs.size
# assert_equal 1, docs[0]['a']
# assert_equal 3, docs[1]['a']
# assert_equal 2, docs[2]['a']
# assert_equal 4, docs[3]['a']
end
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def test_find_limits
@coll.insert('b' => 2)
@coll.insert('c' => 3)
@coll.insert('d' => 4)
docs = @coll.find({}, :limit => 1).to_a
assert_equal 1, docs.size
docs = @coll.find({}, :limit => 2).to_a
assert_equal 2, docs.size
docs = @coll.find({}, :limit => 3).to_a
assert_equal 3, docs.size
docs = @coll.find({}, :limit => 4).to_a
assert_equal 4, docs.size
docs = @coll.find({}).to_a
assert_equal 4, docs.size
docs = @coll.find({}, :limit => 99).to_a
assert_equal 4, docs.size
end
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def test_drop_collection
assert @db.drop_collection(@coll.name), "drop of collection #{@coll.name} failed"
assert !@db.collection_names.include?(@coll_full_name)
@coll = nil
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end
def test_collection_names
names = @db.collection_names
assert names.length >= 1
assert names.include?(@coll_full_name)
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coll2 = @db.collection('test2')
coll2.insert('a' => 1) # collection not created until it's used
names = @db.collection_names
assert names.length >= 2
assert names.include?(@coll_full_name)
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assert names.include?('ruby-mongo-test.test2')
ensure
@db.drop_collection('test2')
end
def test_collections_info
cursor = @db.collections_info
rows = cursor.to_a
assert rows.length >= 1
row = rows.detect { |r| r['name'] == @coll_full_name }
assert_not_nil row
assert_equal @coll.name, row['options']['create']
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end
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def test_collection_options
@db.drop_collection('foobar')
@db.strict = true
begin
coll = @db.create_collection('foobar', :capped => true, :size => 1024)
options = coll.options()
assert_equal 'foobar', options['create']
assert_equal true, options['capped']
assert_equal 1024, options['size']
rescue => ex
@db.drop_collection('foobar')
fail "did not expect exception \"#{ex}\""
end
end
def test_index_information
@db.create_index(@coll.name, 'index_name', ['a'])
list = @db.index_information(@coll.name)
assert_equal 1, list.length
info = list[0]
assert_equal 'index_name', info[:name]
assert_equal 1, info[:keys]['a']
end
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def test_array
@coll << {'b' => [1, 2, 3]}
rows = @coll.find({}, {:fields => ['b']}).to_a
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assert_equal 1, rows.length
assert_equal [1, 2, 3], rows[0]['b']
end
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def test_regex
regex = /foobar/i
@coll << {'b' => regex}
rows = @coll.find({}, {:fields => ['b']}).to_a
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assert_equal 1, rows.length
assert_equal regex, rows[0]['b']
end
def test_strict
assert !@db.strict?
@db.strict = true
assert @db.strict?
end
def test_strict_access_collection
@db.strict = true
begin
@db.collection('does-not-exist')
fail "expected exception"
rescue => ex
assert_equal "Collection does-not-exist doesn't exist. Currently in strict mode.", ex.to_s
ensure
@db.strict = false
@db.drop_collection('does-not-exist')
end
end
def test_strict_create_collection
@db.drop_collection('foobar')
@db.strict = true
begin
@db.create_collection('foobar')
assert true
rescue => ex
fail "did not expect exception \"#{ex}\""
end
# Now the collection exists. This time we should see an exception.
begin
@db.create_collection('foobar')
fail "expected exception"
rescue => ex
assert_equal "Collection foobar already exists. Currently in strict mode.", ex.to_s
ensure
@db.strict = false
@db.drop_collection('foobar')
end
end
def test_to_a
cursor = @coll.find()
rows = cursor.to_a
# Make sure we get back exactly the same array the next time we ask
rows2 = cursor.to_a
assert_same rows, rows2
# Make sure we can still iterate after calling to_a
rows_with_each = cursor.collect{|row| row}
assert_equal rows, rows_with_each
# Make sure we can iterate more than once after calling to_a
end
def test_to_a_after_each
cursor = @coll.find
cursor.each { |row| row }
begin
cursor.to_a
fail "expected \"can't call\" error"
rescue => ex
assert_equal "can't call Cursor#to_a after calling Cursor#each", ex.to_s
end
end
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def test_ismaster
assert @db.master?
end
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def test_master
assert_equal "#{@db.host}:#{@db.port}", @db.master
end
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end