node-query/node_modules/pg/test/native/copy-events-tests.js

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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"
);
con.connect();
});
test('COPY TO events check', function () {
var con = new Client(helper.config),
stdoutStream = con.copyTo('COPY person TO STDOUT');
assert.emits(con, 'copyOutResponse',
function () {},
"backend should emit copyOutResponse on copyOutResponse message from server"
);
assert.emits(con, 'copyData',
function () {
},
"backend should emit copyData on every data row"
);
assert.emits(con, '_readyForQuery',
function () {
con.end();
},
"backend should emit _readyForQuery after data will be coped to stdout stream"
);
con.connect();
});