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require 'helper'
module SQLite3
class TestDatabase < SQLite3::TestCase
attr_reader :db
def setup
@db = SQLite3::Database.new(':memory:')
end
def test_segv
assert_raises(TypeError) { SQLite3::Database.new 1 }
end
def test_bignum
num = 4907021672125087844
db.execute 'CREATE TABLE "employees" ("token" integer(8), "name" varchar(20) NOT NULL)'
db.execute "INSERT INTO employees(name, token) VALUES('employee-1', ?)", [num]
rows = db.execute 'select token from employees'
assert_equal num, rows.first.first
end
def test_blob
@db.execute("CREATE TABLE blobs ( id INTEGER, hash BLOB(10) )")
blob = Blob.new("foo\0bar")
@db.execute("INSERT INTO blobs VALUES (0, ?)", [blob])
assert_equal [[0, blob, blob.length, blob.length*2]], @db.execute("SELECT id, hash, length(hash), length(hex(hash)) FROM blobs")
end
def test_get_first_row
assert_equal [1], @db.get_first_row('SELECT 1')
end
def test_get_first_row_with_type_translation_and_hash_results
@db.results_as_hash = true
assert_equal({0=>1, "1"=>1}, @db.get_first_row('SELECT 1'))
end
def test_execute_with_type_translation_and_hash
@db.results_as_hash = true
rows = []
@db.execute('SELECT 1') { |row| rows << row }
assert_equal({0=>1, "1"=>1}, rows.first)
end
def test_encoding
assert @db.encoding, 'database has encoding'
end
def test_changes
@db.execute("CREATE TABLE items (id integer PRIMARY KEY AUTOINCREMENT, number integer)")
assert_equal 0, @db.changes
@db.execute("INSERT INTO items (number) VALUES (10)")
assert_equal 1, @db.changes
@db.execute_batch(
"UPDATE items SET number = (number + :nn) WHERE (number = :n)",
{"nn" => 20, "n" => 10})
assert_equal 1, @db.changes
assert_equal [[30]], @db.execute("select number from items")
end
def test_batch_last_comment_is_processed
# FIXME: nil as a successful return value is kinda dumb
assert_nil @db.execute_batch <<-eosql
CREATE TABLE items (id integer PRIMARY KEY AUTOINCREMENT);
-- omg
eosql
end
def test_new
db = SQLite3::Database.new(':memory:')
assert db
end
def test_new_yields_self
thing = nil
SQLite3::Database.new(':memory:') do |db|
thing = db
end
assert_instance_of(SQLite3::Database, thing)
end
def test_new_with_options
# determine if Ruby is running on Big Endian platform
utf16 = ([1].pack("I") == [1].pack("N")) ? "UTF-16BE" : "UTF-16LE"
if RUBY_VERSION >= "1.9"
db = SQLite3::Database.new(':memory:'.encode(utf16), :utf16 => true)
else
db = SQLite3::Database.new(Iconv.conv(utf16, 'UTF-8', ':memory:'),
:utf16 => true)
end
assert db
end
def test_close
db = SQLite3::Database.new(':memory:')
db.close
assert db.closed?
end
def test_block_closes_self
thing = nil
SQLite3::Database.new(':memory:') do |db|
thing = db
assert !thing.closed?
end
assert thing.closed?
end
def test_prepare
db = SQLite3::Database.new(':memory:')
stmt = db.prepare('select "hello world"')
assert_instance_of(SQLite3::Statement, stmt)
end
def test_block_prepare_does_not_double_close
db = SQLite3::Database.new(':memory:')
r = db.prepare('select "hello world"') do |stmt|
stmt.close
:foo
end
assert_equal :foo, r
end
def test_total_changes
db = SQLite3::Database.new(':memory:')
db.execute("create table foo ( a integer primary key, b text )")
db.execute("insert into foo (b) values ('hello')")
assert_equal 1, db.total_changes
end
def test_execute_returns_list_of_hash
db = SQLite3::Database.new(':memory:', :results_as_hash => true)
db.execute("create table foo ( a integer primary key, b text )")
db.execute("insert into foo (b) values ('hello')")
rows = db.execute("select * from foo")
assert_equal [{0=>1, "a"=>1, "b"=>"hello", 1=>"hello"}], rows
end
def test_execute_yields_hash
db = SQLite3::Database.new(':memory:', :results_as_hash => true)
db.execute("create table foo ( a integer primary key, b text )")
db.execute("insert into foo (b) values ('hello')")
db.execute("select * from foo") do |row|
assert_equal({0=>1, "a"=>1, "b"=>"hello", 1=>"hello"}, row)
end
end
def test_table_info
db = SQLite3::Database.new(':memory:', :results_as_hash => true)
db.execute("create table foo ( a integer primary key, b text )")
info = [{
"name" => "a",
"pk" => 1,
"notnull" => 0,
"type" => "integer",
"dflt_value" => nil,
"cid" => 0
},
{
"name" => "b",
"pk" => 0,
"notnull" => 0,
"type" => "text",
"dflt_value" => nil,
"cid" => 1
}]
assert_equal info, db.table_info('foo')
end
def test_total_changes_closed
db = SQLite3::Database.new(':memory:')
db.close
assert_raise(SQLite3::Exception) do
db.total_changes
end
end
def test_trace_requires_opendb
@db.close
assert_raise(SQLite3::Exception) do
@db.trace { |x| }
end
end
def test_trace_with_block
result = nil
@db.trace { |sql| result = sql }
@db.execute "select 'foo'"
assert_equal "select 'foo'", result
end
def test_trace_with_object
obj = Class.new {
attr_accessor :result
def call sql; @result = sql end
}.new
@db.trace(obj)
@db.execute "select 'foo'"
assert_equal "select 'foo'", obj.result
end
def test_trace_takes_nil
@db.trace(nil)
@db.execute "select 'foo'"
end
def test_last_insert_row_id_closed
@db.close
assert_raise(SQLite3::Exception) do
@db.last_insert_row_id
end
end
def test_define_function
called_with = nil
@db.define_function("hello") do |value|
called_with = value
end
@db.execute("select hello(10)")
assert_equal 10, called_with
end
def test_call_func_arg_type
called_with = nil
@db.define_function("hello") do |b, c, d|
called_with = [b, c, d]
nil
end
@db.execute("select hello(2.2, 'foo', NULL)")
assert_equal [2.2, 'foo', nil], called_with
end
def test_define_varargs
called_with = nil
@db.define_function("hello") do |*args|
called_with = args
nil
end
@db.execute("select hello(2.2, 'foo', NULL)")
assert_equal [2.2, 'foo', nil], called_with
end
def test_call_func_blob
called_with = nil
@db.define_function("hello") do |a, b|
called_with = [a, b, a.length]
nil
end
blob = Blob.new("a\0fine\0kettle\0of\0fish")
@db.execute("select hello(?, length(?))", [blob, blob])
assert_equal [blob, blob.length, 21], called_with
end
def test_function_return
@db.define_function("hello") { |a| 10 }
assert_equal [10], @db.execute("select hello('world')").first
end
def test_function_return_types
[10, 2.2, nil, "foo"].each do |thing|
@db.define_function("hello") { |a| thing }
assert_equal [thing], @db.execute("select hello('world')").first
end
end
def test_define_function_closed
@db.close
assert_raise(SQLite3::Exception) do
@db.define_function('foo') { }
end
end
def test_inerrupt_closed
@db.close
assert_raise(SQLite3::Exception) do
@db.interrupt
end
end
def test_define_aggregate
@db.execute "create table foo ( a integer primary key, b text )"
@db.execute "insert into foo ( b ) values ( 'foo' )"
@db.execute "insert into foo ( b ) values ( 'bar' )"
@db.execute "insert into foo ( b ) values ( 'baz' )"
acc = Class.new {
attr_reader :sum
alias :finalize :sum
def initialize
@sum = 0
end
def step a
@sum += a
end
}.new
@db.define_aggregator("accumulate", acc)
value = @db.get_first_value( "select accumulate(a) from foo" )
assert_equal 6, value
end
def test_authorizer_ok
@db.authorizer = Class.new {
def call action, a, b, c, d; true end
}.new
@db.prepare("select 'fooooo'")
@db.authorizer = Class.new {
def call action, a, b, c, d; 0 end
}.new
@db.prepare("select 'fooooo'")
end
def test_authorizer_ignore
@db.authorizer = Class.new {
def call action, a, b, c, d; nil end
}.new
stmt = @db.prepare("select 'fooooo'")
assert_equal nil, stmt.step
end
def test_authorizer_fail
@db.authorizer = Class.new {
def call action, a, b, c, d; false end
}.new
assert_raises(SQLite3::AuthorizationException) do
@db.prepare("select 'fooooo'")
end
end
def test_remove_auth
@db.authorizer = Class.new {
def call action, a, b, c, d; false end
}.new
assert_raises(SQLite3::AuthorizationException) do
@db.prepare("select 'fooooo'")
end
@db.authorizer = nil
@db.prepare("select 'fooooo'")
end
def test_close_with_open_statements
@db.prepare("select 'foo'")
assert_raises(SQLite3::BusyException) do
@db.close
end
end
def test_execute_with_empty_bind_params
assert_equal [['foo']], @db.execute("select 'foo'", [])
end
def test_query_with_named_bind_params
assert_equal [['foo']], @db.query("select :n", {'n' => 'foo'}).to_a
end
def test_execute_with_named_bind_params
assert_equal [['foo']], @db.execute("select :n", {'n' => 'foo'})
end
end
end
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