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# encoding: utf-8
require "cases/helper"
require 'models/owner'
require 'tempfile'
module ActiveRecord
module ConnectionAdapters
class SQLite3AdapterTest < ActiveRecord::TestCase
self.use_transactional_fixtures = false
class DualEncoding < ActiveRecord::Base
end
def setup
@conn = Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => 100
@conn.execute <<-eosql
CREATE TABLE items (
id integer PRIMARY KEY AUTOINCREMENT,
number integer
)
eosql
@subscriber = SQLSubscriber.new
ActiveSupport::Notifications.subscribe('sql.active_record', @subscriber)
end
def test_bad_connection
assert_raise ActiveRecord::NoDatabaseError do
connection = ActiveRecord::Base.sqlite3_connection(adapter: "sqlite3", database: "/tmp/should/_not/_exist/-cinco-dog.db")
connection.exec_query('drop table if exists ex')
end
end
def test_connect_with_url
skip "can't establish new connection when using memory db" if in_memory_db?
begin
original_connection = ActiveRecord::Base.remove_connection
tf = Tempfile.open 'whatever'
url = "sqlite3://#{tf.path}"
ActiveRecord::Base.establish_connection(url)
assert ActiveRecord::Base.connection
ensure
tf.close
tf.unlink
ActiveRecord::Base.establish_connection(original_connection)
end
end
def test_connect_memory_with_url
skip "can't establish new connection when using memory db" if in_memory_db?
begin
original_connection = ActiveRecord::Base.remove_connection
url = "sqlite3:///:memory:"
ActiveRecord::Base.establish_connection(url)
assert ActiveRecord::Base.connection
ensure
ActiveRecord::Base.establish_connection(original_connection)
end
end
def test_valid_column
column = @conn.columns('items').find { |col| col.name == 'id' }
assert @conn.valid_type?(column.type)
end
# sqlite databases should be able to support any type and not
# just the ones mentioned in the native_database_types.
# Therefore test_invalid column should always return true
# even if the type is not valid.
def test_invalid_column
assert @conn.valid_type?(:foobar)
end
def teardown
ActiveSupport::Notifications.unsubscribe(@subscriber)
super
end
def test_column_types
owner = Owner.create!(:name => "hello".encode('ascii-8bit'))
owner.reload
select = Owner.columns.map { |c| "typeof(#{c.name})" }.join ', '
result = Owner.connection.exec_query <<-esql
SELECT #{select}
FROM #{Owner.table_name}
WHERE #{Owner.primary_key} = #{owner.id}
esql
assert(!result.rows.first.include?("blob"), "should not store blobs")
end
def test_exec_insert
column = @conn.columns('items').find { |col| col.name == 'number' }
vals = [[column, 10]]
@conn.exec_insert('insert into items (number) VALUES (?)', 'SQL', vals)
result = @conn.exec_query(
'select number from items where number = ?', 'SQL', vals)
assert_equal 1, result.rows.length
assert_equal 10, result.rows.first.first
end
def test_primary_key_returns_nil_for_no_pk
@conn.exec_query('create table ex(id int, data string)')
assert_nil @conn.primary_key('ex')
end
def test_connection_no_db
assert_raises(ArgumentError) do
Base.sqlite3_connection {}
end
end
def test_bad_timeout
assert_raises(TypeError) do
Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => 'usa'
end
end
# connection is OK with a nil timeout
def test_nil_timeout
conn = Base.sqlite3_connection :database => ':memory:',
:adapter => 'sqlite3',
:timeout => nil
assert conn, 'made a connection'
end
def test_connect
assert @conn, 'should have connection'
end
# sqlite3 defaults to UTF-8 encoding
def test_encoding
assert_equal 'UTF-8', @conn.encoding
end
def test_bind_value_substitute
bind_param = @conn.substitute_at('foo', 0)
assert_equal Arel.sql('?'), bind_param
end
def test_exec_no_binds
@conn.exec_query('create table ex(id int, data string)')
result = @conn.exec_query('SELECT id, data FROM ex')
assert_equal 0, result.rows.length
assert_equal 2, result.columns.length
assert_equal %w{ id data }, result.columns
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
result = @conn.exec_query('SELECT id, data FROM ex')
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_exec_query_with_binds
@conn.exec_query('create table ex(id int, data string)')
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
result = @conn.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[nil, 1]])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_exec_query_typecasts_bind_vals
@conn.exec_query('create table ex(id int, data string)')
@conn.exec_query('INSERT INTO ex (id, data) VALUES (1, "foo")')
column = @conn.columns('ex').find { |col| col.name == 'id' }
result = @conn.exec_query(
'SELECT id, data FROM ex WHERE id = ?', nil, [[column, '1-fuu']])
assert_equal 1, result.rows.length
assert_equal 2, result.columns.length
assert_equal [[1, 'foo']], result.rows
end
def test_quote_binary_column_escapes_it
DualEncoding.connection.execute(<<-eosql)
CREATE TABLE dual_encodings (
id integer PRIMARY KEY AUTOINCREMENT,
name string,
data binary
)
eosql
str = "\x80".force_encoding("ASCII-8BIT")
binary = DualEncoding.new :name => 'いただきます!', :data => str
binary.save!
assert_equal str, binary.data
ensure
DualEncoding.connection.drop_table('dual_encodings')
end
def test_type_cast_should_not_mutate_encoding
name = 'hello'.force_encoding(Encoding::ASCII_8BIT)
Owner.create(name: name)
assert_equal Encoding::ASCII_8BIT, name.encoding
end
def test_execute
@conn.execute "INSERT INTO items (number) VALUES (10)"
records = @conn.execute "SELECT * FROM items"
assert_equal 1, records.length
record = records.first
assert_equal 10, record['number']
assert_equal 1, record['id']
end
def test_quote_string
assert_equal "''", @conn.quote_string("'")
end
def test_insert_sql
2.times do |i|
rv = @conn.insert_sql "INSERT INTO items (number) VALUES (#{i})"
assert_equal(i + 1, rv)
end
records = @conn.execute "SELECT * FROM items"
assert_equal 2, records.length
end
def test_insert_sql_logged
sql = "INSERT INTO items (number) VALUES (10)"
name = "foo"
assert_logged([[sql, name, []]]) do
@conn.insert_sql sql, name
end
end
def test_insert_id_value_returned
sql = "INSERT INTO items (number) VALUES (10)"
idval = 'vuvuzela'
id = @conn.insert_sql sql, nil, nil, idval
assert_equal idval, id
end
def test_select_rows
2.times do |i|
@conn.create "INSERT INTO items (number) VALUES (#{i})"
end
rows = @conn.select_rows 'select number, id from items'
assert_equal [[0, 1], [1, 2]], rows
end
def test_select_rows_logged
sql = "select * from items"
name = "foo"
assert_logged([[sql, name, []]]) do
@conn.select_rows sql, name
end
end
def test_transaction
count_sql = 'select count(*) from items'
@conn.begin_db_transaction
@conn.create "INSERT INTO items (number) VALUES (10)"
assert_equal 1, @conn.select_rows(count_sql).first.first
@conn.rollback_db_transaction
assert_equal 0, @conn.select_rows(count_sql).first.first
end
def test_tables
assert_equal %w{ items }, @conn.tables
@conn.execute <<-eosql
CREATE TABLE people (
id integer PRIMARY KEY AUTOINCREMENT,
number integer
)
eosql
assert_equal %w{ items people }.sort, @conn.tables.sort
end
def test_tables_logs_name
assert_logged [['SCHEMA', []]] do
@conn.tables('hello')
assert_not_nil @subscriber.logged.first.shift
end
end
def test_indexes_logs_name
assert_logged [["PRAGMA index_list(\"items\")", 'SCHEMA', []]] do
@conn.indexes('items', 'hello')
end
end
def test_table_exists_logs_name
assert @conn.table_exists?('items')
assert_equal 'SCHEMA', @subscriber.logged[0][1]
end
def test_columns
columns = @conn.columns('items').sort_by { |x| x.name }
assert_equal 2, columns.length
assert_equal %w{ id number }.sort, columns.map { |x| x.name }
assert_equal [nil, nil], columns.map { |x| x.default }
assert_equal [true, true], columns.map { |x| x.null }
end
def test_columns_with_default
@conn.execute <<-eosql
CREATE TABLE columns_with_default (
id integer PRIMARY KEY AUTOINCREMENT,
number integer default 10
)
eosql
column = @conn.columns('columns_with_default').find { |x|
x.name == 'number'
}
assert_equal 10, column.default
end
def test_columns_with_not_null
@conn.execute <<-eosql
CREATE TABLE columns_with_default (
id integer PRIMARY KEY AUTOINCREMENT,
number integer not null
)
eosql
column = @conn.columns('columns_with_default').find { |x|
x.name == 'number'
}
assert !column.null, "column should not be null"
end
def test_indexes_logs
assert_difference('@subscriber.logged.length') do
@conn.indexes('items')
end
assert_match(/items/, @subscriber.logged.last.first)
end
def test_no_indexes
assert_equal [], @conn.indexes('items')
end
def test_index
@conn.add_index 'items', 'id', :unique => true, :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert_equal 'items', index.table
assert index.unique, 'index is unique'
assert_equal ['id'], index.columns
end
def test_non_unique_index
@conn.add_index 'items', 'id', :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert !index.unique, 'index is not unique'
end
def test_compound_index
@conn.add_index 'items', %w{ id number }, :name => 'fun'
index = @conn.indexes('items').find { |idx| idx.name == 'fun' }
assert_equal %w{ id number }.sort, index.columns.sort
end
def test_primary_key
assert_equal 'id', @conn.primary_key('items')
@conn.execute <<-eosql
CREATE TABLE foos (
internet integer PRIMARY KEY AUTOINCREMENT,
number integer not null
)
eosql
assert_equal 'internet', @conn.primary_key('foos')
end
def test_no_primary_key
@conn.execute 'CREATE TABLE failboat (number integer not null)'
assert_nil @conn.primary_key('failboat')
end
def test_supports_extensions
assert_not @conn.supports_extensions?, 'does not support extensions'
end
def test_respond_to_enable_extension
assert @conn.respond_to?(:enable_extension)
end
def test_respond_to_disable_extension
assert @conn.respond_to?(:disable_extension)
end
private
def assert_logged logs
yield
assert_equal logs, @subscriber.logged
end
end
end
end
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