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Fix cloudant test action. (#283)
- The cloudant test action (testCloudantAction.js) sometimes failed with 404 since getDocument was started while putDocument was not completed, yet. - Also remove nodejs:8 support from this action.
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‎tests/dat/cloudant/testCloudantAction.js

Lines changed: 157 additions & 102 deletions
Original file line numberDiff line numberDiff line change
@@ -1,130 +1,185 @@
1-
const nodeRuntime = process.version.startsWith('v8.') ? 'nodejs8' : 'nodejs10'
2-
const isNodeJS8 = nodeRuntime === 'nodejs8' ? true : false
3-
//var Cloudant = isNodeJS8 ? require("cloudant") : require("@cloudant/cloudant")
1+
// get the actual node version
2+
var nodeRuntime="unsupported";
3+
switch (true) {
4+
case process.version.startsWith("v10."): nodeRuntime = "nodejs10"; break;
5+
case process.version.startsWith("v12."): nodeRuntime = "nodejs12"; break;
6+
case process.version.startsWith("v16."): nodeRuntime = "nodejs16"; break;
7+
case process.version.startsWith("v20."): nodeRuntime = "nodejs20"; break;
8+
}
49

5-
if (process.version.startsWith('v8.')) {
6-
var Cloudant = require("cloudant")
7-
} else if (process.version.startsWith('v16.') || process.version.startsWith('v20.')) {
10+
// load the cloudant package
11+
if (process.version.startsWith('v16.') || process.version.startsWith('v20.')) {
812
console.log("------------------------- require @ibm-cloud/cloudant ----------------------");
913
var { CloudantV1 } = require('@ibm-cloud/cloudant');
1014
} else {
1115
var Cloudant = require("@cloudant/cloudant")
1216
}
1317

14-
function main(args){
18+
// delete database
19+
async function deleteDatabase(client,databaseName) {
20+
try {
21+
console.log("Deleting possible existing database: "+databaseName);
22+
const response= await client.deleteDatabase({db: databaseName});
23+
console.log("Returned from deleteDatabase response: %j",response);
24+
} catch (err) {
25+
if (err.status = 404) {
26+
// Database not found, we tolerate this for the delete.
27+
console.log("Database not found, ignored during deleteDatabase.");
28+
} else {
29+
// Other errors, progagte this to caller.
30+
throw new Error('Delete database failed!', { cause: err });
31+
};
32+
}
33+
return true;
34+
}
35+
36+
// create database
37+
async function createDatabase(client,databaseName) {
38+
try {
39+
console.log("Creating database: "+databaseName);
40+
const response= await client.putDatabase({ db: databaseName });
41+
console.log("Returned from putDatabase")
42+
if (response.result.ok) {
43+
console.log(`"${databaseName}" database created."`);
44+
} else {
45+
throw new Error('Error for client.putDatabase, response.result.ok=true expected!', {cause: response });
46+
}
47+
} catch (err) {
48+
console.log("Error for client.putDatabase: %j",err);
49+
throw new Error('Error for client.putDatabase!', { cause: err });
50+
}
51+
return true;
52+
}
53+
54+
// post a document into the database
55+
async function postDocument(client,databaseName,doc) {
56+
try {
57+
console.log("writing document to database: "+databaseName);
58+
const response= await client.postDocument({db: databaseName, document: doc})
59+
console.log("Returned from postDocument")
60+
if (response.result.ok) {
61+
console.log(`"${databaseName}" document written."`);
62+
} else {
63+
throw new Error('Error for client.postDocument, response.result.ok=true expected!', {cause: response });
64+
}
65+
} catch (err) {
66+
console.log("Error for client.postDocument: %j",err);
67+
throw new Error('Error for client.putDatabase!', { cause: err });
68+
}
69+
return true;
70+
}
71+
72+
// get a document from database
73+
async function getDocument(client,databaseName,id) {
74+
var document={};
75+
try {
76+
console.log("Get document from database: "+databaseName);
77+
const response= await client.getDocument({db: databaseName, docId: id})
78+
console.log("Returned from getDocument, response: %j",response)
79+
if (response.statusText='OK') {
80+
console.log(`"${databaseName}" document "${id}" successfully read."`);
81+
document=response.result;
82+
} else {
83+
throw new Error('Error for client.getDocument, response.statusText=OK expected!', {cause: response });
84+
}
85+
} catch (err) {
86+
console.log("Error for client.getDocument: %j",err);
87+
throw new Error('Error for client.getDocument!', { cause: err });
88+
}
89+
return document;
90+
}
91+
92+
// main action
93+
async function main(args) {
1594
var username = args.username;
1695
var password = args.password;
1796
var url = args.url;
1897
var dbName = `test_cloud_functions_nodejs_${nodeRuntime}_ibm_runtime`
1998

99+
console.log("runtime: "+nodeRuntime)
100+
console.log("database name: "+dbName)
101+
console.log("username: "+username)
102+
20103
if (process.version.startsWith('v16.') || process.version.startsWith('v20.')) {
21104
process.env['CLOUDANT_AUTH_TYPE'] = 'BASIC'
22105
process.env['CLOUDANT_URL'] = url
23106
process.env['CLOUDANT_USERNAME'] = username
24107
process.env['CLOUDANT_PASSWORD'] = password
25108

26-
// 1. Create a client with `CLOUDANT` default service name
109+
// Create a client with `CLOUDANT` default service name
27110
const client = CloudantV1.newInstance({});
28-
// Create DB
29-
const createDb = client.putDatabase({ db: dbName })
30-
.then((putDatabaseResult) => {
31-
if (putDatabaseResult.result.ok) {
32-
console.log(`"${dbName}" database created."`);
33-
}
34-
})
35-
.catch((err) => {
36-
if (err.code === 412) {
37-
console.log(
38-
`Cannot create "${dbName}" database, it already exists.`
39-
);
40-
}
41-
});
42-
43-
var friendinfo;
44-
// Writte to DB
45-
return createDb.then(() => {
46-
client
47-
.postDocument({
48-
db: dbName,
49-
document: {
50-
"_id" : 'friend1',
51-
"firstname": "Suzzy",
52-
"lastname": "Queue"
53-
}
54-
})
55-
.then((createDocumentResponse) => {
56-
rev = createDocumentResponse.result.rev;
57-
console.log('You have created the document:\n');
58-
});
59-
}).then(() => {
60-
// call service with predefined parameters:
61-
console.log('client.getDocument:\n');
62-
return client.getDocument({db: dbName, docId: 'friend1'}).then((document) => {
63-
return document;
64-
});
65-
}).then((data) => {
66-
friendinfo = data
67-
console.log('client.deleteDatabase friend=',friendinfo);
68-
return client.deleteDatabase({db: dbName}) //.then((db) => {return db})
69-
}).then(function(){
70-
console.log('return the document=', friendinfo);
71-
//return the document fetched from the db
72-
return friendinfo;
73-
}).catch(function(err){
74-
console.log('error received:', err);
75-
//If an error occurrs at any part in execution; return error
76-
return {err: err}
77-
})
78111

79-
//fetch from DB
112+
// Delete a possible existing database from a previous run.
113+
const delDB= await deleteDatabase(client,dbName);
80114

115+
// Create a database.
116+
const createDB= await createDatabase(client,dbName);
117+
console.log("createDatabase returned:"+createDB);
118+
119+
// Post a document into the new database.
120+
const doc={
121+
"_id" : 'friend1',
122+
"firstname": "Suzzy",
123+
"lastname": "Queue"
124+
}
125+
const postDoc= await postDocument(client,dbName,doc);
126+
console.log("postDocument returned:"+postDoc)
127+
128+
// Read the document from the database.
129+
const getDoc= await getDocument(client,dbName,'friend1');
130+
console.log("getDocument returned: %j",getDoc)
131+
132+
// const delDB2= await deleteDatabase(client,dbName);
133+
134+
// Return the document read from the database.
135+
return getDoc;
81136

82137
} else {
83-
//Configuration to use Cloudant
84-
var config = {account:username, password:password}
85-
isNodeJS8 ? config.plugin='promises' : config.plugins=['promises']
86-
var cloudant = Cloudant(config);
87-
88-
var beforeAction = new Promise(function(resolve ,reject){
89-
cloudant.db.destroy(dbName)
90-
.then(function(){
91-
console.log("Previous database with name: "+dbName+"existed; it was cleaned up so that tests can run");
92-
return resolve();
93-
})
94-
.catch(function(){
95-
return resolve();
96-
})
97-
});
98-
99-
//Create the cloudant database
100-
return beforeAction.then(function(){
101-
return cloudant.db.create(dbName)
102-
})
103-
.then(function(data){
104-
//Switch to use that newly created database.
105-
return cloudant.db.use(dbName);
106-
})
107-
.then(function(db){
108-
var friendinfo;
109-
//Inject a json document named friend1 into the database.
110-
return db.insert({firstname: "Suzzy", lastname: "Queue"}, 'friend1')
111-
.then(function(){
112-
//fetch the newly injected document from the database
113-
return db.get('friend1');
138+
139+
//Configuration to use Cloudant
140+
var config = {account:username, password:password, plugins:['promises']}
141+
var cloudant = Cloudant(config);
142+
143+
var beforeAction = new Promise(function(resolve ,reject){
144+
cloudant.db.destroy(dbName)
145+
.then(function(){
146+
console.log("Previous database with name: "+dbName+"existed; it was cleaned up so that tests can run");
147+
return resolve();
148+
})
149+
.catch(function(){
150+
return resolve();
151+
})
152+
});
153+
154+
//Create the cloudant database
155+
return beforeAction.then(function(){
156+
return cloudant.db.create(dbName)
114157
})
115158
.then(function(data){
116-
friendinfo = data;
117-
//destroy the database
118-
return cloudant.db.destroy(dbName);
159+
//Switch to use that newly created database.
160+
return cloudant.db.use(dbName);
119161
})
120-
.then(function(){
121-
//return the document fetched from the db
122-
return friendinfo;
162+
.then(function(db){
163+
var friendinfo;
164+
//Inject a json document named friend1 into the database.
165+
return db.insert({firstname: "Suzzy", lastname: "Queue"}, 'friend1')
166+
.then(function(){
167+
//fetch the newly injected document from the database
168+
return db.get('friend1');
169+
})
170+
.then(function(data){
171+
friendinfo = data;
172+
//destroy the database
173+
return cloudant.db.destroy(dbName);
174+
})
175+
.then(function(){
176+
//return the document fetched from the db
177+
return friendinfo;
178+
})
179+
})
180+
.catch(function(err){
181+
//If an error occurrs at any part in execution; return error
182+
return {err: err}
123183
})
124-
})
125-
.catch(function(err){
126-
//If an error occurrs at any part in execution; return error
127-
return {err: err}
128-
})
129184
}
130-
}
185+
}

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