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[test] read a large event from the stream

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Rob 2017-03-29 09:59:54 +02:00
parent e39280a2dc
commit 883e89abfe
1 changed files with 104 additions and 68 deletions
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172
test/readEvent_test.js
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@ -5,103 +5,139 @@ var client = require('../src/client');
module.exports = {
setUp: function(cb) {
this.expectedEvent = {a: uuid.v4(), b: Math.random()};
this.expectedEvent = {
a: uuid.v4(),
b: Math.random()
};
this.expectedEventType = 'anEvent';
this.expectedEventId = uuid.v4();
var event = client.createJsonEventData(this.expectedEventId, this.expectedEvent, null, this.expectedEventType);
this.conn.appendToStream(this.testStreamName, client.expectedVersion.noStream, event)
.then(function() {
cb();
})
.catch(cb);
.then(function() {
cb();
})
.catch(cb);
},
'Read Event Happy Path': function(test) {
test.expect(8);
var self = this;
this.conn.readEvent(this.testStreamName, 0)
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.Success);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 0);
test.ok(result.event !== null, "event is null.");
test.ok(result.event.originalEvent !== null, "event.originalEvent is null.");
var event = JSON.parse(result.event.originalEvent.data.toString());
test.areEqual('event.eventId', result.event.originalEvent.eventId, self.expectedEventId);
test.areEqual('event.eventType', result.event.originalEvent.eventType, self.expectedEventType);
test.areEqual('decoded event.data', event, self.expectedEvent);
test.done();
})
.catch(function(err) {
test.done(err);
})
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.Success);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 0);
test.ok(result.event !== null, "event is null.");
test.ok(result.event.originalEvent !== null, "event.originalEvent is null.");
var event = JSON.parse(result.event.originalEvent.data.toString());
test.areEqual('event.eventId', result.event.originalEvent.eventId, self.expectedEventId);
test.areEqual('event.eventType', result.event.originalEvent.eventType, self.expectedEventType);
test.areEqual('decoded event.data', event, self.expectedEvent);
test.done();
})
.catch(function(err) {
test.done(err);
})
},
'Read Event From Non-Existing Stream': function(test) {
test.expect(4);
var anotherStream = 'test' + uuid.v4();
this.conn.readEvent(anotherStream, 0)
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.NoStream);
test.areEqual('stream', result.stream, anotherStream);
test.areEqual('eventNumber', result.eventNumber, 0);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.NoStream);
test.areEqual('stream', result.stream, anotherStream);
test.areEqual('eventNumber', result.eventNumber, 0);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
},
'Read Event From Deleted Stream': function(test) {
test.expect(4);
var self = this;
this.conn.deleteStream(this.testStreamName, 0, true)
.then(function() {
return self.conn.readEvent(self.testStreamName, 0)
})
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.StreamDeleted);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 0);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
.then(function() {
return self.conn.readEvent(self.testStreamName, 0)
})
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.StreamDeleted);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 0);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
},
'Read Event With Inexisting Version': function(test) {
test.expect(4);
var self = this;
return self.conn.readEvent(self.testStreamName, 1)
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.NotFound);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 1);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.NotFound);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 1);
test.areEqual('event', result.event, null);
test.done();
})
.catch(function(err) {
test.done(err);
});
},
'Read Event With No Access': function(test) {
test.expect(1);
var self = this;
var metadata = {$acl: {$r: '$admins'}};
var metadata = {
$acl: {
$r: '$admins'
}
};
this.conn.setStreamMetadataRaw(self.testStreamName, client.expectedVersion.noStream, metadata)
.then(function(){
return self.conn.readEvent(self.testStreamName, 0);
})
.then(function(result) {
test.fail("readEvent succeeded but should have failed.");
test.done();
})
.catch(function(err) {
var isAccessDenied = err instanceof client.AccessDeniedError;
test.ok(isAccessDenied, "readEvent should have failed with AccessDeniedError, got " + err.constructor.name);
if (isAccessDenied) return test.done();
test.done(err);
});
}
.then(function() {
return self.conn.readEvent(self.testStreamName, 0);
})
.then(function(result) {
test.fail("readEvent succeeded but should have failed.");
test.done();
})
.catch(function(err) {
var isAccessDenied = err instanceof client.AccessDeniedError;
test.ok(isAccessDenied, "readEvent should have failed with AccessDeniedError, got " + err.constructor.name);
if (isAccessDenied) return test.done();
test.done(err);
});
},
'Read a Large Event': function(test) {
test.expect(8);
var self = this;
const largeData = Buffer.alloc(3 * 1024 * 1024, 1);
const largeEvent = client.createJsonEventData(uuid.v4(), {
a: largeData.toString()
}, null, 'largePayloadEvent');
this.conn.appendToStream(this.testStreamName, client.expectedVersion.any, largeEvent)
.then(function(result) {
self.conn.readEvent(self.testStreamName, 1)
.then(function(result) {
test.areEqual('status', result.status, client.eventReadStatus.Success);
test.areEqual('stream', result.stream, self.testStreamName);
test.areEqual('eventNumber', result.eventNumber, 1);
test.ok(result.event !== null, "event is null.");
test.ok(result.event.originalEvent !== null, "event.originalEvent is null.");
var event = JSON.parse(result.event.originalEvent.data.toString());
test.areEqual('event.eventId', result.event.originalEvent.eventId, largeEvent.eventId);
test.areEqual('event.eventType', result.event.originalEvent.eventType, 'largePayloadEvent');
test.areEqual('decoded event.data', event, JSON.parse(largeEvent.data.toString()));
test.done();
});
})
.catch(function(err) {
test.done(err);
});
},
};
require('./common/base_test').init(module.exports);