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query.js
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query.js
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//---------------------------------------------------------------------------------------------------------------------------------
// File: query.js
// Contents: test suite for queries
//
// Copyright Microsoft Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
//
// You may obtain a copy of the License at:
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//---------------------------------------------------------------------------------------------------------------------------------
var sql = require('../');
var buffer=require('buffer');
var assert = require( 'assert' );
var async = require( 'async' );
var config = require( './test-config' );
suite('query', function () {
var conn_str = config.conn_str;
test('simple query', function (done) {
sql.query(conn_str, "SELECT 1 as X, 'ABC', 0x0123456789abcdef ", function (err, results) {
assert.ifError(err);
var buffer = new Buffer('0123456789abcdef', 'hex');
var expected = [{ 'X': 1, 'Column1': 'ABC', 'Column2': buffer}];
assert.deepEqual(results, expected, "Results don't match");
done();
});
});
test('simple raw query', function (done) {
sql.queryRaw(conn_str, "SELECT 1 as X, 'ABC', 0x0123456789abcdef ", function (err, results) {
assert.ifError(err);
var buffer = new Buffer('0123456789abcdef', 'hex');
var expected = { meta:
[{ name: 'X', size: 10, nullable: false, type: 'number', sqlType: 'int' },
{ name: '', size: 3, nullable: false, type: 'text', sqlType: 'varchar' },
{ name: '', size: 8, nullable: false, type: 'binary', sqlType: 'varbinary' }],
rows: [[1, 'ABC', buffer]]
}
assert.deepEqual(results, expected, "raw results didn't match");
done();
});
});
test('simple query of types like var%', function (done) {
var like = 'var%';
sql.query(conn_str, "SELECT name FROM sys.types WHERE name LIKE ?", [like], function (err, results) {
assert.ifError(err);
for (var row = 0; row < results.length; ++row) {
assert(results[row].name.substr(0, 3) == 'var');
}
done();
});
});
test('streaming test', function (done) {
var like = 'var%';
var current_row = 0;
var meta_expected = [{ name: 'name', size: 128, nullable: false, type: 'text', sqlType: 'nvarchar'}];
var stmt = sql.query(conn_str, 'select name FROM sys.types WHERE name LIKE ?', [like]);
stmt.on('meta', function (meta) { assert.deepEqual(meta, meta_expected); });
stmt.on('row', function (idx) { assert(idx == current_row); ++current_row; });
stmt.on('column', function (idx, data, more) { assert(data.substr(0,3) == 'var'); });
stmt.on('done', function () { done(); });
stmt.on('error', function (err) { assert.ifError(err); });
});
test('serialized queries', function (done) {
var expected = [{ meta: [{ name: '', size: 10, nullable: false, type: 'number', sqlType: 'int' }],
rows: [[1]]
},
{ meta: [{ name: '', size: 10, nullable: false, type: 'number', sqlType: 'int' }],
rows: [[2]]
},
{ meta: [{ name: '', size: 10, nullable: false, type: 'number', sqlType: 'int' }],
rows: [[3]]
},
{ meta: [{ name: '', size: 10, nullable: false, type: 'number', sqlType: 'int' }],
rows: [[4]]
},
{ meta: [{ name: '', size: 10, nullable: false, type: 'number', sqlType: 'int' }],
rows: [[5]]
}];
var results = [];
var c = sql.open(conn_str, function (e) {
assert.ifError(e);
c.queryRaw("SELECT 1", function (e, r) {
assert.ifError(e);
results.push(r);
});
c.queryRaw("SELECT 2", function (e, r) {
assert.ifError(e);
results.push(r);
});
c.queryRaw("SELECT 3", function (e, r) {
assert.ifError(e);
results.push(r);
});
c.queryRaw("SELECT 4", function (e, r) {
assert.ifError(e);
results.push(r);
});
c.queryRaw("SELECT 5", function (e, r) {
assert.ifError(e);
results.push(r);
assert.deepEqual(expected, results);
done();
});
});
});
test( 'query with errors', function( done ) {
var c = sql.open( conn_str, function( e ) {
assert.ifError( e );
var expectedError = new Error( "[Microsoft][" + config.driver + "][SQL Server]Unclosed quotation mark after the character string 'm with NOBODY'." );
expectedError.sqlstate = '42000';
expectedError.code = 105;
async.series( [
function( async_done ) {
assert.doesNotThrow( function() {
c.queryRaw( "I'm with NOBODY", function( e, r ) {
assert( e instanceof Error );
assert.deepEqual( e, expectedError, "Unexpected error returned" );
async_done();
});
});
},
function( async_done ) {
assert.doesNotThrow( function() {
var s = c.queryRaw( "I'm with NOBODY" );
s.on( 'error', function( e ) {
assert( e instanceof Error );
assert.deepEqual( e, expectedError, "Unexpected error returned" );
async_done();
done();
});
});
}
]);
});
});
test( 'multiple results from query in callback', function( done ) {
var moreShouldBe = true;
var called = 0;
sql.queryRaw(conn_str, "SELECT 1 as X, 'ABC', 0x0123456789abcdef; SELECT 2 AS Y, 'DEF', 0xfedcba9876543210",
function( err, results, more ) {
assert.ifError( err );
assert.equal( more, moreShouldBe );
++called;
if( more ) {
var buffer = new Buffer('0123456789abcdef', 'hex');
var expected = { meta:
[ { name: 'X', size: 10, nullable: false, type: 'number', sqlType: 'int' },
{ name: '', size: 3, nullable: false, type: 'text', sqlType: 'varchar' },
{ name: '', size: 8, nullable: false, type: 'binary', sqlType: 'varbinary' } ],
rows: [ [ 1, 'ABC', buffer ] ] };
assert.deepEqual( results, expected, "Result 1 does not match expected" );
assert( called == 1 );
moreShouldBe = false;
}
else {
var buffer = new Buffer('fedcba9876543210', 'hex');
var expected = { meta:
[ { name: 'Y', size: 10, nullable: false, type: 'number', sqlType: 'int' },
{ name: '', size: 3, nullable: false, type: 'text', sqlType: 'varchar' },
{ name: '', size: 8, nullable: false, type: 'binary', sqlType: 'varbinary' } ],
rows: [ [ 2, 'DEF', buffer ] ] };
assert.deepEqual( results, expected, "Result 2 does not match expected" );
assert( called == 2 );
done();
}
});
});
test( 'multiple results from query in events', function( done ) {
var r = sql.queryRaw( conn_str, "SELECT 1 as X, 'ABC', 0x0123456789abcdef; SELECT 2 AS Y, 'DEF', 0xfedcba9876543210" );
var expected = [ [ { name: 'X', size: 10, nullable: false, type: 'number', sqlType: 'int' },
{ name: '', size: 3, nullable: false, type: 'text', sqlType: 'varchar' },
{ name: '', size: 8, nullable: false, type: 'binary', sqlType: 'varbinary' } ],
{ row: 0 },
{ column: 0, data: 1, more: false },
{ column: 1, data: 'ABC', more: false },
{ column: 2,
data: new Buffer('0123456789abcdef', 'hex'),
more: false },
[ { name: 'Y', size: 10, nullable: false, type: 'number', sqlType: 'int' },
{ name: '', size: 3, nullable: false, type: 'text', sqlType: 'varchar' },
{ name: '', size: 8, nullable: false, type: 'binary', sqlType: 'varbinary' } ],
{ row: 1 },
{ column: 0, data: 2, more: false },
{ column: 1, data: 'DEF', more: false },
{ column: 2,
data: new Buffer('fedcba9876543210', 'hex'),
more: false } ];
var received = [];
r.on('meta', function( m ) { received.push( m ); } );
r.on('row', function( idx ) { received.push( { row: idx } ); } );
r.on('column', function( idx, data, more ) { received.push( { column: idx, data: data, more: more } ); } );
r.on('done', function() { assert.deepEqual( received, expected ); done() } );
r.on('error', function( e ) { assert.ifError( e ); } );
});
test( 'boolean return value from query', function( done ) {
var r = sql.queryRaw( conn_str, "SELECT CONVERT(bit, 1) AS bit_true, CONVERT(bit, 0) AS bit_false",
function ( err, results ) {
assert.ifError( err );
var expected = { meta: [ { name: 'bit_true', size: 1, nullable: true, type: 'boolean', sqlType: 'bit' },
{ name: 'bit_false', size: 1, nullable: true, type: 'boolean', sqlType: 'bit' } ],
rows: [ [ true, false ] ] };
assert.deepEqual( results, expected, "Results didn't match" );
done();
});
});
test( 'verify empty results retrieved properly', function( test_done ) {
sql.open( conn_str, function( err, conn ) {
async.series([
function( async_done ) {
conn.queryRaw( "drop table test_sql_no_data", function( err ) {
async_done();
});
},
function (async_done) {
conn.queryRaw("create table test_sql_no_data (id int identity, name varchar(20))", function (err) {
assert.ifError(err);
async_done();
});
},
function (async_done) {
conn.queryRaw("create clustered index index_nodata on test_sql_no_data (id)", function (err) {
assert.ifError(err);
async_done();
});
},
function (async_done) {
conn.queryRaw( "delete from test_sql_no_data where 1=0", function( err, results ) {
assert.ifError( err );
var expectedResults = { meta: null, rowcount: 0 }
assert.deepEqual( results, expectedResults );
async_done();
test_done();
});
}
]);
});
});
test( 'test retrieving a string with null embedded', function( test_done ) {
sql.open( conn_str, function( e, c ) {
assert.ifError( e );
var embedded_null = String.fromCharCode( 65, 66, 67, 68, 0, 69, 70 );
async.series([
function( async_done ) {
c.queryRaw( "DROP TABLE null_in_string_test", function( e ) { async_done(); } );
},
function( async_done ) {
c.queryRaw( "CREATE TABLE null_in_string_test (id int IDENTITY, null_in_string varchar(100) NOT NULL)",
function( e ) {
assert.ifError( e );
async_done();
});
},
function (async_done) {
c.queryRaw("CREATE CLUSTERED INDEX ix_null_in_string_test ON null_in_string_Test (id)", function (err) {
assert.ifError(err);
async_done();
});
},
function( async_done ) {
c.queryRaw( "INSERT INTO null_in_string_test (null_in_string) VALUES (?)", [ embedded_null ],
function( e, r ) {
assert.ifError( e );
async_done();
});
},
function( async_done ) {
c.queryRaw( "SELECT null_in_string FROM null_in_string_test", function( e, r ) {
assert.ifError( e );
assert( r.rows[0] == embedded_null );
async_done();
test_done();
});
},
]);
});
})
test( 'test retrieving a non-LOB string of max size', function( test_done ) {
String.prototype.repeat = function( num )
{
return new Array( num + 1 ).join( this );
}
sql.query( conn_str, "SELECT REPLICATE('A', 8000) AS 'NONLOB String'", function( e, r ) {
assert.ifError( e );
assert( r[0]['NONLOB String'] == 'A'.repeat( 8000 ));
test_done();
});
});
test( 'test retrieving an empty string', function( test_done ) {
sql.query( conn_str, "SELECT '' AS 'Empty String'", function( e, r ) {
assert.ifError( e );
assert( r[0]['Empty String'] == '');
test_done();
});
});
test( 'test retrieving a LOB string larger than max string size', function( test_done ) {
var moreCount = 0;
var totalLength = 0;
var stmt = sql.query( conn_str, "SELECT REPLICATE(CAST('B' AS varchar(max)), 20000) AS 'LOB String'" );
stmt.on('column', function( c, d, m ) { assert( c == 0 ); totalLength += d.length; if( m ) { ++moreCount } });
stmt.on('done', function() { assert( moreCount == 2, "more not received 2 times" );
assert( totalLength == 20000, "length != 20000" );
test_done(); });
stmt.on('error', function( e ) { assert.ifError( e ) });
});
test('test login failure', function (done) {
// construct a connection string that will fail due to
// the database not existing
var badConnection = conn_str.replace('Database={' + config.database + '}', 'Database={DNE}');
sql.query(badConnection, 'SELECT 1 as X', function (err, results) {
// verify we get the expected error when the login fails
assert.ok(err.message.indexOf('Login failed for user') > 0);
assert.equal(err.sqlstate, 28000);
done();
});
});
test( 'test function parameter validation', function( test_done ) {
// test the module level open, query and queryRaw functions
var thrown = false;
try {
sql.open( 1, "SELECT 1" );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid connection string passed to function open. Type should be string.", "Improper error returned" );
}
assert( thrown == true );
thrown = false;
try {
sql.query( function() { return 1; }, "SELECT 1" );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid connection string passed to function query. Type should be string.", "Improper error returned" );
}
assert( thrown = true );
thrown = false;
try {
sql.queryRaw( [ "This", "is", "a", "test" ], "SELECT 1" );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid connection string passed to function queryRaw. Type should be string.", "Improper error returned" );
}
assert( thrown == true );
thrown = false;
// test the module level open, query and queryRaw functions
try {
sql.open( conn_str, 5 );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid callback passed to function open. Type should be function.", "Improper error returned" );
}
assert( thrown = true );
thrown = false;
try {
sql.query( conn_str, function() { return 5; } );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid query string passed to function query. Type should be string.", "Improper error returned" );
}
assert( thrown == true );
thrown = false;
try {
sql.queryRaw( conn_str, [ "This", "is", "a", "test" ] );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid query string passed to function queryRaw. Type should be string.", "Improper error returned" );
}
assert( thrown == true );
var stmt = sql.queryRaw( conn_str, "SELECT 1" );
stmt.on( 'error', function( e ) { assert.ifError( e ); });
sql.queryRaw( conn_str, "SELECT 1", function( e, r ) {
assert.ifError( e );
});
sql.queryRaw( conn_str, "SELECT 1", [], function( e, r ) {
assert.ifError( e );
});
sql.queryRaw( conn_str, "SELECT 1", null, function( e, r ) {
assert.ifError( e );
});
stmt = sql.queryRaw( conn_str, "SELECT 1", [] );
stmt.on( 'error', function( e ) { assert.ifError( e ); });
stmt = sql.queryRaw( conn_str, "SELECT 1", null );
stmt.on( 'error', function( e ) { assert.ifError( e ); });
thrown = false
try {
sql.queryRaw( conn_str, "SELECT 1", 1 );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid parameter(s) passed to function query or queryRaw.", "Improper error returned" );
}
assert( thrown == true );
thrown = false;
try {
sql.queryRaw( conn_str, "SELECT 1", { a: 1, b: "2" }, function( a ) {} );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid parameter(s) passed to function query or queryRaw.", "Improper error returned" );
}
assert( thrown == true );
// validate member functions
sql.open( conn_str, function( e, c ) {
assert.ifError( e );
thrown = false;
try{
c.query( 1 );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid query string passed to function query. Type should be string.", "Improper error returned" );
}
assert( thrown == true );
thrown = false;
try{
c.queryRaw( function() { return 1; } );
}
catch( e ) {
thrown = true;
assert.equal( e.toString(), "Error: [msnodesql] Invalid query string passed to function queryRaw. Type should be string.", "Improper error returned" );
test_done();
}
assert( thrown == true );
});
});
test( 'verify metadata is retrieved for udt/geography types', function( test_done ) {
async.series( [
function( async_done ) {
sql.query( conn_str, "DROP TABLE spatial_test", function( e, r ) { async_done(); });
},
function( async_done ) {
sql.query( conn_str, "CREATE TABLE spatial_test ( id int IDENTITY (1,1), GeogCol1 geography, GeogCol2 AS GeogCol1.STAsText() )", function( e, r ) {
assert.ifError( e );
async_done();
});
},
function( async_done ) {
sql.query( conn_str, "INSERT INTO spatial_test (GeogCol1) VALUES (geography::STGeomFromText('LINESTRING(-122.360 47.656, -122.343 47.656 )', 4326))", function( e, r ) {
assert.ifError( e );
async_done();
});
},
function( async_done ) {
sql.query( conn_str, "INSERT INTO spatial_test (GeogCol1) VALUES (geography::STGeomFromText('POLYGON((-122.358 47.653 , -122.348 47.649, -122.348 47.658, -122.358 47.658, -122.358 47.653))', 4326))", function( e, r ) {
assert.ifError( e );
async_done();
});
},
function( async_done ) {
sql.queryRaw( conn_str, "SELECT GeogCol1 FROM spatial_test", function( e, r ) {
assert.ifError( e );
var expectedResults = {
meta:
[ { name: 'GeogCol1',
size: 0,
nullable: true,
type: 'binary',
sqlType: 'udt',
udtType: 'geography' } ],
rows:
[ [ new Buffer( 'e610000001148716d9cef7d34740d7a3703d0a975ec08716d9cef7d34740cba145b6f3955ec0', 'hex' ) ],
[ new Buffer( 'e6100000010405000000dd24068195d34740f4fdd478e9965ec0508d976e12d3474083c0caa145965ec04e62105839d4474083c0caa145965ec04e62105839d44740f4fdd478e9965ec0dd24068195d34740f4fdd478e9965ec001000000020000000001000000ffffffff0000000003', 'hex' ) ]
]
};
assert.deepEqual( r, expectedResults, "udt results don't match" );
async_done();
test_done();
});
}
]);
});
});