Make more tests pass

This commit is contained in:
Brian M. Carlson 2014-09-13 22:37:30 -04:00
parent 9a68682109
commit b325971fdf
5 changed files with 48 additions and 26 deletions

View File

@ -4,8 +4,11 @@ var util = require('util');
var NativeQuery = require('./query');
var Client = module.exports = function() {
var Client = module.exports = function(config) {
EventEmitter.call(this);
if(typeof config === 'string') {
this.connectionString = config;
}
this.native = new Native();
this._queryQueue = [];
};
@ -19,11 +22,11 @@ util.inherits(Client, EventEmitter);
//the client will emit an error event.
Client.prototype.connect = function(cb) {
var self = this;
this.native.connect(function(err) {
this.native.connect(this.connectionString, function(err) {
//error handling
if(err) {
if(cb) return cb(err);
return self.emit('error')
return self.emit('error', err);
}
//set internal states to connected
@ -78,7 +81,7 @@ Client.prototype._pulseQueryQueue = function(initialConnection) {
return;
}
if(this._activeQuery) {
if(this._activeQuery.state != 'error' && this._activeQuery.state != 'done') {
if(this._activeQuery.state != 'error' && this._activeQuery.state != 'end') {
return;
}
}
@ -91,6 +94,10 @@ Client.prototype._pulseQueryQueue = function(initialConnection) {
}
this._activeQuery = query;
query.submit();
var self = this;
query.once('_done', function() {
self._pulseQueryQueue();
});
};

View File

@ -9,6 +9,16 @@ var NativeQuery = module.exports = function(native) {
this.name = null;
this.callback = null;
this.state = 'new';
//if the 'row' event is listened for
//then emit them as they come in
//without setting singleRowMode to true
//this has almost no meaning because libpq
//reads all rows into memory befor returning any
this._emitRowEvents = false;
this.once('newListener', function(event) {
if(event === 'row') this._emitRowEvents = true;
}.bind(this));
};
util.inherits(NativeQuery, EventEmitter);
@ -18,6 +28,9 @@ NativeQuery.prototype.submit = function() {
var self = this;
var after = function(err, rows) {
setImmediate(function() {
self.emit('_done');
});
//handle possible query error
if(err) {
@ -26,9 +39,14 @@ NativeQuery.prototype.submit = function() {
return self.emit('error', err);
}
//emit row events for each row in the result
if(self._emitRowEvents) {
rows.forEach(self.emit.bind(self, 'row'));
}
//handle successful result
self.state = 'done';
self.emit('done');
self.state = 'end';
self.emit('end');
if(self.callback) {
self.callback(null, {rows: rows})
}

View File

@ -18,13 +18,14 @@
"author": "Brian Carlson <brian.m.carlson@gmail.com>",
"main": "./lib",
"dependencies": {
"generic-pool": "2.1.1",
"buffer-writer": "1.0.0",
"pgpass": "0.0.3",
"generic-pool": "2.1.1",
"nan": "~1.3.0",
"packet-reader": "0.2.0",
"pg-connection-string": "0.1.1",
"pg-types": "1.4.0"
"pg-native": "0.4.1",
"pg-types": "1.4.0",
"pgpass": "0.0.3"
},
"devDependencies": {
"jshint": "2.5.2",

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@ -1,22 +1,18 @@
return console.log('these tests leak pg internals and are not helpful');
var helper = require(__dirname+"/../test-helper");
var Client = require(__dirname + "/../../lib/native");
test('COPY FROM events check', function () {
var con = new Client(helper.config),
stdinStream = con.copyFrom('COPY person FROM STDIN');
assert.emits(con, 'copyInResponse',
function () {
stdinStream.end();
},
"backend should emit copyInResponse after COPY FROM query"
);
assert.emits(con, '_readyForQuery',
function () {
con.end();
},
"backend should emit _readyForQuery after data will be coped to stdin stream"
);
var con = new Client(helper.config);
var stdinStream = con.copyFrom('COPY person FROM STDIN');
assert.emits(con, 'copyInResponse', function () { stdinStream.end(); },
"backend should emit copyInResponse after COPY FROM query");
assert.emits(con, '_readyForQuery', function () { con.end(); },
"backend should emit _readyForQuery after data will be coped to stdin stream");
con.connect();
});
test('COPY TO events check', function () {
var con = new Client(helper.config),
stdoutStream = con.copyTo('COPY person TO STDOUT');

View File

@ -24,13 +24,13 @@ test('many queries', function() {
var q = client.query("SELECT * FROM person");
assert.emits(q, 'end', function() {
count++;
})
});
}
assert.emits(client, 'drain', function() {
client.end();
assert.equal(count, expected);
})
})
});
});
test('many clients', function() {
var clients = [];