grafana/public/app/plugins/datasource/cloudwatch/specs/datasource_specs.ts
2017-09-28 14:08:59 +02:00

387 lines
12 KiB
TypeScript

import "../datasource";
import {describe, beforeEach, it, expect, angularMocks} from 'test/lib/common';
import helpers from 'test/specs/helpers';
import CloudWatchDatasource from "../datasource";
describe('CloudWatchDatasource', function() {
var ctx = new helpers.ServiceTestContext();
var instanceSettings = {
jsonData: {defaultRegion: 'us-east-1', access: 'proxy'},
};
beforeEach(angularMocks.module('grafana.core'));
beforeEach(angularMocks.module('grafana.services'));
beforeEach(angularMocks.module('grafana.controllers'));
beforeEach(ctx.providePhase(['templateSrv', 'backendSrv']));
beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
ctx.$q = $q;
ctx.$httpBackend = $httpBackend;
ctx.$rootScope = $rootScope;
ctx.ds = $injector.instantiate(CloudWatchDatasource, {instanceSettings: instanceSettings});
$httpBackend.when('GET', /\.html$/).respond('');
}));
describe('When performing CloudWatch query', function() {
var requestParams;
var query = {
range: { from: 'now-1h', to: 'now' },
targets: [
{
region: 'us-east-1',
namespace: 'AWS/EC2',
metricName: 'CPUUtilization',
dimensions: {
InstanceId: 'i-12345678'
},
statistics: ['Average'],
period: 300
}
]
};
var response = {
Datapoints: [
{
Average: 1,
Timestamp: 'Wed Dec 31 1969 16:00:00 GMT-0800 (PST)'
},
{
Average: 2,
Timestamp: 'Wed Dec 31 1969 16:05:00 GMT-0800 (PST)'
},
{
Average: 5,
Timestamp: 'Wed Dec 31 1969 16:15:00 GMT-0800 (PST)'
}
],
Label: 'CPUUtilization'
};
beforeEach(function() {
ctx.backendSrv.datasourceRequest = function(params) {
requestParams = params;
return ctx.$q.when({data: response});
};
});
it('should generate the correct query', function(done) {
ctx.ds.query(query).then(function() {
var params = requestParams.data.parameters;
expect(params.namespace).to.be(query.targets[0].namespace);
expect(params.metricName).to.be(query.targets[0].metricName);
expect(params.dimensions[0].Name).to.be(Object.keys(query.targets[0].dimensions)[0]);
expect(params.dimensions[0].Value).to.be(query.targets[0].dimensions[Object.keys(query.targets[0].dimensions)[0]]);
expect(params.statistics).to.eql(query.targets[0].statistics);
expect(params.period).to.be(query.targets[0].period);
done();
});
ctx.$rootScope.$apply();
});
it('should generate the correct query with interval variable', function(done) {
ctx.templateSrv.data = {
period: '10m'
};
var query = {
range: { from: 'now-1h', to: 'now' },
targets: [
{
region: 'us-east-1',
namespace: 'AWS/EC2',
metricName: 'CPUUtilization',
dimensions: {
InstanceId: 'i-12345678'
},
statistics: ['Average'],
period: '[[period]]'
}
]
};
ctx.ds.query(query).then(function() {
var params = requestParams.data.parameters;
expect(params.period).to.be(600);
done();
});
ctx.$rootScope.$apply();
});
it('should return series list', function(done) {
ctx.ds.query(query).then(function(result) {
expect(result.data[0].target).to.be('CPUUtilization_Average');
expect(result.data[0].datapoints[0][0]).to.be(response.Datapoints[0]['Average']);
done();
});
ctx.$rootScope.$apply();
});
it('should return null for missing data point', function(done) {
ctx.ds.query(query).then(function(result) {
expect(result.data[0].datapoints[2][0]).to.be(null);
done();
});
ctx.$rootScope.$apply();
});
it('should generate the correct targets by expanding template variables', function() {
var templateSrv = {
variables: [
{
name: 'instance_id',
options: [
{ text: 'i-23456789', value: 'i-23456789', selected: false },
{ text: 'i-34567890', value: 'i-34567890', selected: true }
]
}
],
replace: function (target, scopedVars) {
if (target === '$instance_id' && scopedVars['instance_id']['text'] === 'i-34567890') {
return 'i-34567890';
} else {
return '';
}
},
getVariableName: function (e) { return 'instance_id'; },
variableExists: function (e) { return true; },
containsVariable: function (str, variableName) { return str.indexOf('$' + variableName) !== -1; }
};
var targets = [
{
region: 'us-east-1',
namespace: 'AWS/EC2',
metricName: 'CPUUtilization',
dimensions: {
InstanceId: '$instance_id'
},
statistics: ['Average'],
period: 300
}
];
var result = ctx.ds.expandTemplateVariable(targets, {}, templateSrv);
expect(result[0].dimensions.InstanceId).to.be('i-34567890');
});
});
describe('When performing CloudWatch query for extended statistics', function() {
var requestParams;
var query = {
range: { from: 'now-1h', to: 'now' },
targets: [
{
region: 'us-east-1',
namespace: 'AWS/ApplicationELB',
metricName: 'TargetResponseTime',
dimensions: {
LoadBalancer: 'lb',
TargetGroup: 'tg'
},
statistics: ['p90.00'],
period: 300
}
]
};
var response = {
Datapoints: [
{
ExtendedStatistics: {
'p90.00': 1
},
Timestamp: 'Wed Dec 31 1969 16:00:00 GMT-0800 (PST)'
},
{
ExtendedStatistics: {
'p90.00': 2
},
Timestamp: 'Wed Dec 31 1969 16:05:00 GMT-0800 (PST)'
},
{
ExtendedStatistics: {
'p90.00': 5
},
Timestamp: 'Wed Dec 31 1969 16:15:00 GMT-0800 (PST)'
}
],
Label: 'TargetResponseTime'
};
beforeEach(function() {
ctx.backendSrv.datasourceRequest = function(params) {
requestParams = params;
return ctx.$q.when({data: response});
};
});
it('should return series list', function(done) {
ctx.ds.query(query).then(function(result) {
expect(result.data[0].target).to.be('TargetResponseTime_p90.00');
expect(result.data[0].datapoints[0][0]).to.be(response.Datapoints[0].ExtendedStatistics['p90.00']);
done();
});
ctx.$rootScope.$apply();
});
});
function describeMetricFindQuery(query, func) {
describe('metricFindQuery ' + query, () => {
let scenario: any = {};
scenario.setup = setupCallback => {
beforeEach(() => {
setupCallback();
ctx.backendSrv.datasourceRequest = args => {
scenario.request = args;
return ctx.$q.when({data: scenario.requestResponse });
};
ctx.ds.metricFindQuery(query).then(args => {
scenario.result = args;
});
ctx.$rootScope.$apply();
});
};
func(scenario);
});
}
describeMetricFindQuery('regions()', scenario => {
scenario.setup(() => {
scenario.requestResponse = [{text: 'us-east-1'}];
});
it('should call __GetRegions and return result', () => {
expect(scenario.result[0].text).to.contain('us-east-1');
expect(scenario.request.data.action).to.be('__GetRegions');
});
});
describeMetricFindQuery('namespaces()', scenario => {
scenario.setup(() => {
scenario.requestResponse = [{text: 'AWS/EC2'}];
});
it('should call __GetNamespaces and return result', () => {
expect(scenario.result[0].text).to.contain('AWS/EC2');
expect(scenario.request.data.action).to.be('__GetNamespaces');
});
});
describeMetricFindQuery('metrics(AWS/EC2)', scenario => {
scenario.setup(() => {
scenario.requestResponse = [{text: 'CPUUtilization'}];
});
it('should call __GetMetrics and return result', () => {
expect(scenario.result[0].text).to.be('CPUUtilization');
expect(scenario.request.data.action).to.be('__GetMetrics');
});
});
describeMetricFindQuery('dimension_keys(AWS/EC2)', scenario => {
scenario.setup(() => {
scenario.requestResponse = [{text: 'InstanceId'}];
});
it('should call __GetDimensions and return result', () => {
expect(scenario.result[0].text).to.be('InstanceId');
expect(scenario.request.data.action).to.be('__GetDimensions');
});
});
describeMetricFindQuery('dimension_values(us-east-1,AWS/EC2,CPUUtilization,InstanceId)', scenario => {
scenario.setup(() => {
scenario.requestResponse = {
Metrics: [
{
Namespace: 'AWS/EC2',
MetricName: 'CPUUtilization',
Dimensions: [
{
Name: 'InstanceId',
Value: 'i-12345678'
}
]
}
]
};
});
it('should call __ListMetrics and return result', () => {
expect(scenario.result[0].text).to.be('i-12345678');
expect(scenario.request.data.action).to.be('ListMetrics');
});
});
it('should caclculate the correct period', function () {
var hourSec = 60 * 60;
var daySec = hourSec * 24;
var start = 1483196400;
var testData: any[] = [
[{ period: 60 }, { namespace: 'AWS/EC2' }, {}, start, start + 3600, (hourSec * 3), 60],
[{ period: null }, { namespace: 'AWS/EC2' }, {}, start, start + 3600, (hourSec * 3), 300],
[{ period: 60 }, { namespace: 'AWS/ELB' }, {}, start, start + 3600, (hourSec * 3), 60],
[{ period: null }, { namespace: 'AWS/ELB' }, {}, start, start + 3600, (hourSec * 3), 60],
[{ period: 1 }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 1440 - 1, (hourSec * 3 - 1), 1],
[{ period: 1 }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (hourSec * 3 - 1), 60],
[{ period: 60 }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (hourSec * 3), 60],
[{ period: null }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (hourSec * 3 - 1), 60],
[{ period: null }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (hourSec * 3), 60],
[{ period: null }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (daySec * 15), 60],
[{ period: null }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (daySec * 63), 300],
[{ period: null }, { namespace: 'CustomMetricsNamespace' }, {}, start, start + 3600, (daySec * 455), 3600]
];
for (let t of testData) {
let target = t[0];
let query = t[1];
let options = t[2];
let start = t[3];
let end = t[4];
let now = start + t[5];
let expected = t[6];
let actual = ctx.ds.getPeriod(target, query, options, start, end, now);
expect(actual).to.be(expected);
}
});
describeMetricFindQuery('ec2_instance_attribute(us-east-1, Tags.Name, { "tag:team": [ "sysops" ] })', scenario => {
scenario.setup(() => {
scenario.requestResponse = {
Reservations: [
{
Instances: [
{
Tags: [
{ Key: 'InstanceId', Value: 'i-123456' },
{ Key: 'Name', Value: 'Sysops Dev Server' },
{ Key: 'env', Value: 'dev' },
{ Key: 'team', Value: 'sysops' }
]
},
{
Tags: [
{ Key: 'InstanceId', Value: 'i-789012' },
{ Key: 'Name', Value: 'Sysops Staging Server' },
{ Key: 'env', Value: 'staging' },
{ Key: 'team', Value: 'sysops' }
]
}
]
}
]
};
});
it('should return the "Name" tag for each instance', function() {
expect(scenario.result[0].text).to.be('Sysops Dev Server');
expect(scenario.result[1].text).to.be('Sysops Staging Server');
});
});
});