mongocopy/test.js at master · bubenshchykov/mongocopy · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
var mongocopy = require('./');
var mongojs = require('mongojs');
var test = require('tape');

var testData = {
		products: [
			{userId: 1, _id: 1, name: 'apple'},
			{userId: 1, _id: 2, name: 'orange'}
		],
		customers: [
			{userId: 1, _id: 1, name: 'bob'},
			{userId: 1, _id: 2, name: 'rob'},
			{userId: 2, _id: 3, name: 'li'}
		],
		countries: [
			{_id: 1, code: 'UA'},
			{_id: 2, code: 'ES'},
			{_id: 3, code: 'DK'}
		]
	};

var testConfig = {
		uriFrom: 'xprod',
		uriTo: 'xstage',
		data: {
			products: {
				query: {userId: 1},
				transform: function(doc, cb) {
					setTimeout(function() {
						doc.name += ' xxl';
						return cb(null, doc);
					}, 1);
				}
			},
			customers: {
				query: {userId: 1},
				transform: function(doc, cb) {
					doc.name = 'mr ' + doc.name;
					return cb(null, doc);
				}
			},
			countries: {}
		},
		log: true
	};

test('cleaning previous test data', function(t) {
	var prod = mongojs('xprod', ['products', 'customers', 'countries']);
	prod.dropDatabase(function(err){
		t.notOk(err, 'xprod db removed');
		var stage = mongojs('xstage', ['products', 'customers', 'countries']);
		stage.dropDatabase(function(err){
			t.notOk(err, 'xstage db removed');

			t.test('mocking prod db', function(t) {
				prod.products.insert(testData.products, function(err) {
					t.notOk(err, 'added products to xprod');
					prod.customers.insert(testData.customers, function(err) {
						t.notOk(err, 'added customers to xprod');
						prod.countries.insert(testData.countries, function(err){
							t.notOk(err, 'added countries to xprod');

							t.test('copying data from xprod to xstage', function(t) {
								mongocopy(testConfig, function(err, report) {
									t.notOk(err, 'copied from xprod to xstage');
									t.deepEqual(report, {
										products: {copied: 2},
										customers: {copied: 2},
										countries: {copied: 3}
									}, 'reports an expected result');

									t.test('reading the new records from the xstage', function(t){
										t.plan(6);
										stage.products.find({}).toArray(function(err, docs){
											t.notOk(err, 'found products on xstage');
											t.deepEqual(docs, [
												{userId: 1, _id: 1, name: 'apple xxl'},
												{userId: 1, _id: 2, name: 'orange xxl'}
											], 'returns copied and transformed records for products');
										});
										stage.customers.find({}).toArray(function(err, docs){
											t.notOk(err, 'found customers on xstage');
											t.deepEqual(docs, [
												{userId: 1, _id: 1, name: 'mr bob'},
												{userId: 1, _id: 2, name: 'mr rob'},
											], 'returns copied and transformed records for customers');
										});
										stage.countries.find({}).toArray(function(err, docs){
											t.notOk(err, 'found countries on xstage');
											t.deepEqual(docs, testData.countries, 'returns all copied countries');
										});
									});

									t.test('copying same data from xprod to xstage with duplicates ignored', function(t) {
										var ignoreDuplicates = JSON.parse(JSON.stringify(testConfig));
										ignoreDuplicates.ignoreDuplicates = true;
										mongocopy(ignoreDuplicates, function(err, report) {
											t.notOk(err, 'copied from xprod to xstage');
											t.deepEqual(report, {
												products: {copied: 0, duplicates: 2, duplicateIds: [1, 2]},
												customers: {copied: 0, duplicates: 2,  duplicateIds: [1, 2]},
												countries: {copied: 0, duplicates: 3,  duplicateIds: [1, 2, 3]}
											}, 'reports that nothing was copied because of duplicates');
											t.end();
										});
									});

									t.test('copying same data from xprod to xstage without duplicates ignored', function(t) {
										mongocopy(testConfig, function(err, report) {
											t.ok(err, 'error when copying from xprod to xstage');
											t.deepEqual(report, {
												products: {copied: 0, duplicates: 1, duplicateIds: [1]}
											}, 'reports that nothing was copied because of the first duplicate occured');
											t.end();
										});
									});
								});
							});


							t.end();
						})
					});
				});
			});
			t.end();
		});
	});
});

test('cleaning previous test data', function(t) {
	var prod = mongojs('xprod', ['products', 'customers', 'countries']);
	prod.dropDatabase(function(err){
		t.notOk(err, 'xprod db removed');
		var stage = mongojs('xstage', ['products', 'customers', 'countries']);
		stage.dropDatabase(function(err){
			t.notOk(err, 'xstage db removed');

			t.test('mocking prod db', function(t) {
				prod.products.insert(testData.products, function(err) {
					t.notOk(err, 'added products to xprod');
					prod.customers.insert(testData.customers, function(err) {
						t.notOk(err, 'added customers to xprod');
						prod.countries.insert(testData.countries, function(err){
							t.notOk(err, 'added countries to xprod');

							t.test('copying data from xprod to xstage in dry run', function(t) {
								var dryRun = JSON.parse(JSON.stringify(testConfig));
								dryRun.dryRun = true;
								mongocopy(dryRun, function(err, report) {
									t.notOk(err, 'dry run went good');
									t.deepEqual(report, {
										countries: {copied: 3},
										customers: {copied: 2},
										products: {copied: 2}
									}, 'reports documents satisfying the given queries');
									t.test('reading the new records from the xstage', function(t){
										t.plan(6);
										stage.products.find({}).toArray(function(err, docs){
											t.notOk(err, 'found products on xstage');
											t.deepEqual(docs, [], 'is not adding any new documents to xstage');
										});
										stage.customers.find({}).toArray(function(err, docs){
											t.notOk(err, 'found customers on xstage');
											t.deepEqual(docs, [], 'is not adding any new documents to xstage');
										});
										stage.countries.find({}).toArray(function(err, docs){
											t.notOk(err, 'found countries on xstage');
											t.deepEqual(docs, [], 'is not adding any new documents to xstage');
										});
									});
									t.end();
								});
							});
							t.end();
						})
					});
				});
			});
			t.end();
		});
	});
});

test('end', function(t) {
	t.end();
	process.exit(0);
});