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require 'helper'
class TC_Statement < SQLite3::TestCase
def setup
@db = SQLite3::Database.new(":memory:")
@db.transaction do
@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' )"
end
@stmt = @db.prepare( "select * from foo where a in ( ?, :named )" )
end
def teardown
@stmt.close
@db.close
end
def test_remainder_empty
assert_equal "", @stmt.remainder
end
def test_remainder_nonempty
called = false
@db.prepare( "select * from foo;\n blah" ) do |stmt|
called = true
assert_equal "\n blah", stmt.remainder
end
assert called
end
def test_bind_params_empty
assert_nothing_raised { @stmt.bind_params }
assert @stmt.execute!.empty?
end
def test_bind_params_array
@stmt.bind_params 1, 2
assert_equal 2, @stmt.execute!.length
end
def test_bind_params_hash
@stmt.bind_params ":named" => 2
assert_equal 1, @stmt.execute!.length
end
def test_bind_params_hash_without_colon
@stmt.bind_params "named" => 2
assert_equal 1, @stmt.execute!.length
end
def test_bind_params_hash_as_symbol
@stmt.bind_params :named => 2
assert_equal 1, @stmt.execute!.length
end
def test_bind_params_mixed
@stmt.bind_params( 1, ":named" => 2 )
assert_equal 2, @stmt.execute!.length
end
def test_bind_param_by_index
@stmt.bind_params( 1, 2 )
assert_equal 2, @stmt.execute!.length
end
def test_bind_param_by_name_bad
assert_raise( SQLite3::Exception ) { @stmt.bind_param( "@named", 2 ) }
end
def test_bind_param_by_name_good
@stmt.bind_param( ":named", 2 )
assert_equal 1, @stmt.execute!.length
end
def test_bind_param_with_various_types
@db.transaction do
@db.execute "create table all_types ( a integer primary key, b float, c string, d integer )"
@db.execute "insert into all_types ( b, c, d ) values ( 1.5, 'hello', 68719476735 )"
end
assert_equal 1, @db.execute( "select * from all_types where b = ?", 1.5 ).length
assert_equal 1, @db.execute( "select * from all_types where c = ?", 'hello').length
assert_equal 1, @db.execute( "select * from all_types where d = ?", 68719476735).length
end
def test_execute_no_bind_no_block
assert_instance_of SQLite3::ResultSet, @stmt.execute
end
def test_execute_with_bind_no_block
assert_instance_of SQLite3::ResultSet, @stmt.execute( 1, 2 )
end
def test_execute_no_bind_with_block
called = false
@stmt.execute { |row| called = true }
assert called
end
def test_execute_with_bind_with_block
called = 0
@stmt.execute( 1, 2 ) { |row| called += 1 }
assert_equal 1, called
end
def test_reexecute
r = @stmt.execute( 1, 2 )
assert_equal 2, r.to_a.length
assert_nothing_raised { r = @stmt.execute( 1, 2 ) }
assert_equal 2, r.to_a.length
end
def test_execute_bang_no_bind_no_block
assert @stmt.execute!.empty?
end
def test_execute_bang_with_bind_no_block
assert_equal 2, @stmt.execute!( 1, 2 ).length
end
def test_execute_bang_no_bind_with_block
called = 0
@stmt.execute! { |row| called += 1 }
assert_equal 0, called
end
def test_execute_bang_with_bind_with_block
called = 0
@stmt.execute!( 1, 2 ) { |row| called += 1 }
assert_equal 2, called
end
def test_columns
c1 = @stmt.columns
c2 = @stmt.columns
assert_same c1, c2
assert_equal 2, c1.length
end
def test_columns_computed
called = false
@db.prepare( "select count(*) from foo" ) do |stmt|
called = true
assert_equal [ "count(*)" ], stmt.columns
end
assert called
end
def test_types
t1 = @stmt.types
t2 = @stmt.types
assert_same t1, t2
assert_equal 2, t1.length
end
def test_types_computed
called = false
@db.prepare( "select count(*) from foo" ) do |stmt|
called = true
assert_equal [ nil ], stmt.types
end
assert called
end
def test_close
stmt = @db.prepare( "select * from foo" )
assert !stmt.closed?
stmt.close
assert stmt.closed?
assert_raise( SQLite3::Exception ) { stmt.execute }
assert_raise( SQLite3::Exception ) { stmt.execute! }
assert_raise( SQLite3::Exception ) { stmt.close }
assert_raise( SQLite3::Exception ) { stmt.bind_params 5 }
assert_raise( SQLite3::Exception ) { stmt.bind_param 1, 5 }
assert_raise( SQLite3::Exception ) { stmt.columns }
assert_raise( SQLite3::Exception ) { stmt.types }
end
def test_committing_tx_with_statement_active
called = false
@db.prepare( "select count(*) from foo" ) do |stmt|
called = true
count = stmt.execute!.first.first.to_i
@db.transaction do
@db.execute "insert into foo ( b ) values ( 'hello' )"
end
new_count = stmt.execute!.first.first.to_i
assert_equal new_count, count+1
end
assert called
end
end
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