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A node.js module designed to mock a CouchDB server, mostly for unit testing purposes.

Home Page: http://chris-l.github.io/mock-couch/

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mock-couch's Issues

Doesn't seem to work with yarn

Thanks! this is something I really needed today, but unfortunately couldn't make it work with yarn (not that I tried npm actually)

This is the error I am getting when I require the modue:

{ Error: Cannot find module './build/Release/DTraceProviderBindings'
    at Function.Module._resolveFilename (module.js:489:15)
    at Function.Module._load (module.js:439:25)
    at Module.require (module.js:517:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/Users/z/dev/x/node_modules/bunyan/node_modules/dtrace-provider/dtrace-provider.js:18:23)
    at Module._compile (module.js:573:30)
    at Object.Module._extensions..js (module.js:584:10)
    at Module.load (module.js:507:32)
    at tryModuleLoad (module.js:470:12)
    at Function.Module._load (module.js:462:3) code: 'MODULE_NOT_FOUND' }
TAP version 13
# deploy
util.js:988
    throw new TypeError('The super constructor to "inherits" must not ' +
    ^

TypeError: The super constructor to "inherits" must not be null or undefined
    at Object.inherits (util.js:988:11)
    at Object.<anonymous> (/Users/z/dev/x/node_modules/spdy/lib/spdy/connection.js:86:6)
    at Module._compile (module.js:573:30)
    at Object.Module._extensions..js (module.js:584:10)
    at Module.load (module.js:507:32)
    at tryModuleLoad (module.js:470:12)
    at Function.Module._load (module.js:462:3)
    at Module.require (module.js:517:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/Users/z/dev/x/node_modules/spdy/lib/spdy.js:20:19)

No need for npm-shrinkwrap.json to be included in repo

This would be ignored because it causes the repo to install whatever version of restify in it.
restify is currently 6.4.3 but npm-shrinkwrap.json still refers to 2.8.5.

support for _show and _list functions

Great work!

Support in _show and _list functions would be lovely.

Thanks :)

Support for design document update handlers?

Thanks for the great library. I've been looking for something like this for a while!

The docs clearly show that views are supported using addDoc, but it doesn't appear that updates functions are supported when I add design docs that have update handlers in them. We use update handlers to add simple timestamps to our docs. Am I doing something wrong, or is this feature just not supported yet.

Are update handlers a feature that you'd consider supporting, if they don't work already?

Getting some errors with node v5.9.0

I seem to be getting the following errors when trying to create a new mockCouch server.

var mockCouch = require('mock-couch');
var couchdb = mockCouch.createServer();

{ [Error: Cannot find module './build/Release/DTraceProviderBindings'] code: 'MODULE_NOT_FOUND' }
{ [Error: Cannot find module './build/default/DTraceProviderBindings'] code: 'MODULE_NOT_FOUND' }
{ [Error: Cannot find module './build/Debug/DTraceProviderBindings'] code: 'MODULE_NOT_FOUND' }

Any ideas what would be causing this?

Allow '/' in database names

{"statusCode":400,"error":"Bad Request","message":"Name: 'm/6f23be18595c4164a575d768b2121043'. Only lowercase characters (a-z), digits (0-9), and any of the characters _, $, (, ), +, -, and / are allowed. Must begin with a letter."}

Basic example failing with couchdb and jasmine-node

https://github.com/shotclip-team/mockcouch
POST event not happening?

crash on require('mock-couch')

I'm having a problem with node crashing when I require mock-couch.

macOS 10.13.4
node v8.9.1
npm v6.1.0

package.json

{
  "dependencies": {
    "mock-couch": "0.1.10"
  }
}

test.js

require('mock-couch');

bash> node test.js


#
# Fatal error in ../deps/v8/src/api.cc, line 1248
# Check failed: !value_obj->IsJSReceiver() || value_obj->IsTemplateInfo().
#
Illegal instruction: 4

bash> npm list
/Users/chris/projects/rmc/test
└─┬ [email protected]
  ├── [email protected] extraneous
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  ├── [email protected]
  ├─┬ [email protected] invalid
  │ ├── [email protected] extraneous
  │ ├── [email protected] extraneous
  │ ├── [email protected] extraneous
  │ ├── [email protected] extraneous
  │ ├── [email protected] extraneous
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  │ └── [email protected] extraneous
  └── [email protected]

npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/color-convert
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/grunt
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/grunt-jasmine-nodejs
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/grunt-jslint
npm ERR! invalid: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/restify
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/assert-plus
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/backoff
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/bunyan
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/csv
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/deep-equal
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/dtrace-provider
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/escape-regexp-component
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/formidable
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/http-signature
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/keep-alive-agent
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/lru-cache
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/mime
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/negotiator
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/node-uuid
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/once
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/qs
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/semver
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/spdy
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/tunnel-agent
npm ERR! extraneous: [email protected] /Users/chris/projects/rmc/test/node_modules/mock-couch/node_modules/verror

I wonder if the problem is related to [email protected] invalid? I'm not sure what that means.

Bulk attachment upload support

I need to fill CouchDB mock database with documents with attachments
Is there possible to upload attachment in batch mode?
Have methods addDB and addDoc support?
If not: have you plan/time to implement this feature?

Alternative: Is there possible to use couch-push with together with mock-couch?

Add support for built-in reduce functions

One of my tests broke today and it was because I was using sum function.

Reference of built-in reduce functions: https://wiki.apache.org/couchdb/Built-In_Reduce_Functions .

Leaving out optional rows array doesn't create a db with addDB.

Documentation website has rows as an optional parameter for addDB:

mock-couch/index.html

Line 46 in 093eb54

<code>mockCouch.addDB(database name, [docs])</code>

Leaving it out leads to a database not being created because of early return:

mock-couch/lib/addDB.js

Line 17 in 2de603a

return false;

Fix PUT db

After e67a594, you get {"statusCode":404,"error":"Not Found","message":"no_db_file"} when trying to PUT a new database.

There'd need to be some kind of request injection for the project to be able to catch this with a test.

New databases created via HTTP don't get a changes list

After creating a new database via HTTP save_doc throws an exception when trying to save a new document into it.

TypeError: Cannot read property 'push' of undefined
    at Server.<anonymous> (.../node_modules/mock-couch/lib/save_doc.js:43:29)

Linked document in views

http://wiki.apache.org/couchdb/Introduction_to_CouchDB_views#Linked_documents

The super constructor to "inherits" must not be null or undefined

Weird error when I execute test with gulp or npm:

Here the sample of code from my test:

const mockCouch = require('mock-couch');
let couchdbMock;

describe('TEST', function() {
    before(function() {
        couchdbMock = mockCouch.createServer();
        couchdbMock.listen(5985);
    });

  // unit tests

I got this error comming from the line of code: couchdbMock = mockCouch.createServer();:

TypeError: The super constructor to "inherits" must not be null or undefined
      at Object.exports.inherits (util.js:989:11)
      at Object.<anonymous> (node_modules/spdy/lib/spdy/connection.js:86:6)
      at require (internal/module.js:20:19)
      at Object.<anonymous> (node_modules/spdy/lib/spdy.js:20:19)
      at require (internal/module.js:20:19)
      at Object.<anonymous> (node_modules/restify/lib/server.js:13:12)
      at require (internal/module.js:20:19)
      at Object.createServer (node_modules/restify/lib/index.js:95:18)
      at node_modules/mock-couch/index.js:122:25
      at Object.createServer (node_modules/mock-couch/index.js:158:6)
      at Context.<anonymous> (server/dao/dao.couchdb.spec.js:18:33)

The weird thing is I get this error when I execute the test with Gulp or npm, but I do not get any errors when I use mocha commands directly.

CouchDB 2.0

Are you planing to support CouchDB 2.* as well?

I get this error when running my simple tests: The super constructor to inherits must not be null or undefined

This issue might not be related to mock-couch but I would appreciate some help. I am getting this error when running a simple test (let me know if you need the complete log):

TypeError: The super constructor to "inherits" must not be null or undefined
  at Object.inherits (util.js:971:11)
  at Object.<anonymous> (node_modules\mock-couch\node_modules\spdy\lib\spdy\connection.js:86:6)

This is my simple test (I have deleted some lines; mockedUsers is a simple JSON object):

(function mockConnection(module, require) {
  'use strict';

  const path = require('path');
  const root = path.resolve('./');
  const mockedUsers = require(`${root}/mocks/users`);

  const should = require('should');
  const mock = require('mock-couch');

  describe('Mock couch connection', function mockCouchConnection() {
    let Users;
    let mockCouch;
    const port = 5984;
    const uid = '[email protected]';

    beforeEach(function beforeEach() {
      mockCouch = mock.createServer({ keepAlive: false, });
      mockCouch.listen(port, function mockCouchListen() {
        // does nothing... yet!
      });
      // This creates a db for Mock Couch. The db is nothing but an array of objects.
      // If we provide an object with an _id property, it will use it. Otherwise, it will create a random one.
      Users = mockCouch.addDB('users', mockedUsers);
    });

    it(`user ${uid} must exist`, function userMustExists(done) {
      // TODO: validate that user actually exists.
      done();
    });
  });
}(module, require));

The error happens at this line mockCouch = mock.createServer({ keepAlive: false, });. I have run the code in different Nodejs versions, including 8.4.0, 8.8.0, 7.10.0.

Thanks!

Fix in 'Add put/post for design docs #42' Wasn't Delivered into NPM Package

Hi there,
Can somebody publish the fix in 'Add put/post for design docs #42' to npm package?
The latest 0.1.6 version of npm package was published 6 month ago and doesn't have this fix.

Really look forward to seeing the npm package include this fix, rather than install from git for the specific version.

Thanks very much.

When querying against multiple keys, rows.length will be at most equal to keys.length

I'm talking about this block https://github.com/chris-l/mock-couch/blob/8793eeff62cd5e8e2d698a760f55469d99fcfac5/lib/query_options.js#L86-90 .

It maps elements of keys array to exactly one match from rows array.

View collation bug with array keys

Edit: The first two comments are more me trying to figure out what's happening. It's good reading, but I think I've come closer to nailing down part of the problem in the third post (as well as the referenced commit to my fork just above it)

Having a bit of a problem with the order some documents are spit out versus what they do on a real couch-db instance. It's going to not look super clear, but I hope to illustrate the issue I'm having. I can try to provide sample data tomorrow if necessary. Here is the map function:

function (doc) {
          if (doc.docType === 'foo') {
            key = [];
            key.push(doc._id);
            emit(key);
          }
          if (doc.docType === 'rel:bar') {
            key = [];
            key.push(doc.fooId);
            key.push(doc.barId);
            emit(key, { _id: doc.barId });
          }
          if ((doc.docType === 'rel:baz') && (doc.path.length === 2)) {
            key = [];
            key.push(doc.fooId);
            key.push(doc.barId);
            key.push(doc.path);
            emit(key, { _id: doc.bazId });
          }
 }

What this effectively does is spit out a three level hierarchy of some documents we have.

What I want, and what seems to work very consistently on our real instance, is:

foo
bar
baz

foo
bar
baz
bar
baz

etc.

However, in test, foo does not come first. Therefore when we try to construct this hierarchy in flat, descending order, it fails because there was no foo before bar, or baz. It appears the foos come last. I've tried messing with the descending order flags on a view with no luck.

Like I said, it works on our real instance, but now that it doesn't work in our unit tests I'm second guessing the whole thing :/

TypeError [ERR_INVALID_ARG_TYPE]: The "superCtor" argument must be of type Function. Received type undefined

let mockCouch = mock.createServer();
TypeError [ERR_INVALID_ARG_TYPE]: The "superCtor" argument must be of type Function. Received type undefined
at Object.inherits (util.js:1203:11)
at Object. (C:\Users\TEJINDERSINGH\Projects\isc-common-configstore\configstorev1\node_modules\mock-couch\node_modules\spdy\lib\spdy\connection.js:86:6)
at Module._compile (internal/modules/cjs/loader.js:702:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:713:10)
at Module.load (internal/modules/cjs/loader.js:612:32)
at tryModuleLoad (internal/modules/cjs/loader.js:551:12)
at Function.Module._load (internal/modules/cjs/loader.js:543:3)
at Module.require (internal/modules/cjs/loader.js:650:17)
at require (internal/modules/cjs/helpers.js:20:18)

Fix exception with views emitting null values and including docs

Regression introduced in 8486e7b

TypeError: Cannot read property '_id' of null
    at global.emit (/.../node_modules/mock-couch/lib/get_view.js:43:30)

Restify Error

When I run mock-couch I get an error:

    Stacktrace:
      TypeError: Object #<Object> has no method 'createsrv'
  at node_modules/mock-couch/index.js:21:23

I think it was introduced in this commit:

590c1e4#diff-168726dbe96b3ce427e7fedce31bb0bcR21

Should be a quick fix!

_changes mock

Just came across this project, I am so glad this exists. Anything that requires having more than one couch becomes real annoying to test. Specifically I've been wanting something like this in order to write some tests for overwatch. I'd love to help out with a basic _changes implementation when I have some bandwidth. Let me know if this interests you :).

Getting 405 PUT is not allowed when trying to insert a _design doc with nano

I seem to be getting a 405 PUT not allowed error when trying to insert a design document;

{ [Error: PUT is not allowed]
  name: 'Error',
  statusCode: 405,
  body: { code: 'MethodNotAllowedError', message: 'PUT is not allowed' },
  scope: 'couch',
  request: 
   { method: 'PUT',
     headers: 
      { 'content-type': 'application/json',
        accept: 'application/json' },
[...]

I'm simply doing the following with nano after creating a database:

var design = {
  "views": {
    "all": {
      map: function(doc) {
        if (doc._id) emit(doc._id, doc);
      }
    }
  }
};

db.insert(design, '_design/tweets', function(err, res) {
  if (err) return console.log(err);
  console.log('Inserted!');
});

This gives the correct response when using a real couchdb database, but seems to fail when using mock-couch.