grafana/public/app/plugins/datasource/prometheus/specs/datasource_specs.ts
2016-02-04 14:05:44 +09:00

196 lines
7.8 KiB
TypeScript

import {describe, beforeEach, it, sinon, expect, angularMocks} from 'test/lib/common';
import moment from 'moment';
import helpers from 'test/specs/helpers';
import {PrometheusDatasource} from '../datasource';
describe('PrometheusDatasource', function() {
var ctx = new helpers.ServiceTestContext();
var instanceSettings = {url: 'proxied', directUrl: 'direct', user: 'test', password: 'mupp' };
beforeEach(angularMocks.module('grafana.core'));
beforeEach(angularMocks.module('grafana.services'));
beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
ctx.$q = $q;
ctx.$httpBackend = $httpBackend;
ctx.$rootScope = $rootScope;
ctx.ds = $injector.instantiate(PrometheusDatasource, {instanceSettings: instanceSettings});
}));
describe('When querying prometheus with one target using query editor target spec', function() {
var results;
var urlExpected = 'proxied/api/v1/query_range?query=' +
encodeURIComponent('test{job="testjob"}') +
'&start=1443438675&end=1443460275&step=60';
var query = {
range: { from: moment(1443438674760), to: moment(1443460274760) },
targets: [{ expr: 'test{job="testjob"}' }],
interval: '60s'
};
var response = {
status: "success",
data: {
resultType: "matrix",
result: [{
metric: {"__name__": "test", job: "testjob"},
values: [[1443454528, "3846"]]
}]
}
};
beforeEach(function() {
ctx.$httpBackend.expect('GET', urlExpected).respond(response);
ctx.ds.query(query).then(function(data) { results = data; });
ctx.$httpBackend.flush();
});
it('should generate the correct query', function() {
ctx.$httpBackend.verifyNoOutstandingExpectation();
});
it('should return series list', function() {
expect(results.data.length).to.be(1);
expect(results.data[0].target).to.be('test{job="testjob"}');
});
});
describe('When querying prometheus with one target which return multiple series', function() {
var results;
var start = 1443438675;
var end = 1443460275;
var step = 60;
var urlExpected = 'proxied/api/v1/query_range?query=' +
encodeURIComponent('test{job="testjob"}') +
'&start=' + start + '&end=' + end + '&step=' + step;
var query = {
range: { from: moment(1443438674760), to: moment(1443460274760) },
targets: [{ expr: 'test{job="testjob"}' }],
interval: '60s'
};
var response = {
status: "success",
data: {
resultType: "matrix",
result: [
{
metric: {"__name__": "test", job: "testjob", series: 'series 1'},
values: [
[start + step * 1, "3846"],
[start + step * 3, "3847"],
[end - step * 1, "3848"],
]
},
{
metric: {"__name__": "test", job: "testjob", series: 'series 2'},
values: [
[start + step * 2, "4846"]
]
},
]
}
};
beforeEach(function() {
ctx.$httpBackend.expect('GET', urlExpected).respond(response);
ctx.ds.query(query).then(function(data) { results = data; });
ctx.$httpBackend.flush();
});
it('should be same length', function() {
expect(results.data.length).to.be(2);
expect(results.data[0].datapoints.length).to.be((end - start) / step + 1);
expect(results.data[1].datapoints.length).to.be((end - start) / step + 1);
});
it('should fill null until first datapoint in response', function() {
expect(results.data[0].datapoints[0][1]).to.be(start * 1000);
expect(results.data[0].datapoints[0][0]).to.be(null);
expect(results.data[0].datapoints[1][1]).to.be((start + step * 1) * 1000);
expect(results.data[0].datapoints[1][0]).to.be(3846);
});
it('should fill null after last datapoint in response', function() {
var length = (end - start) / step + 1;
expect(results.data[0].datapoints[length-2][1]).to.be((end - step * 1) * 1000);
expect(results.data[0].datapoints[length-2][0]).to.be(3848);
expect(results.data[0].datapoints[length-1][1]).to.be(end * 1000);
expect(results.data[0].datapoints[length-1][0]).to.be(null);
});
it('should fill null at gap between series', function() {
expect(results.data[0].datapoints[2][1]).to.be((start + step * 2) * 1000);
expect(results.data[0].datapoints[2][0]).to.be(null);
expect(results.data[1].datapoints[1][1]).to.be((start + step * 1) * 1000);
expect(results.data[1].datapoints[1][0]).to.be(null);
expect(results.data[1].datapoints[3][1]).to.be((start + step * 3) * 1000);
expect(results.data[1].datapoints[3][0]).to.be(null);
});
});
describe('When performing metricFindQuery', function() {
var results;
var response;
it('label_values(resource) should generate label search query', function() {
response = {
status: "success",
data: ["value1", "value2", "value3"]
};
ctx.$httpBackend.expect('GET', 'proxied/api/v1/label/resource/values').respond(response);
ctx.ds.metricFindQuery('label_values(resource)').then(function(data) { results = data; });
ctx.$httpBackend.flush();
ctx.$rootScope.$apply();
expect(results.length).to.be(3);
});
it('label_values(metric, resource) should generate series query', function() {
response = {
status: "success",
data: [
{__name__: "metric", resource: "value1"},
{__name__: "metric", resource: "value2"},
{__name__: "metric", resource: "value3"}
]
};
ctx.$httpBackend.expect('GET', 'proxied/api/v1/series?match[]=metric').respond(response);
ctx.ds.metricFindQuery('label_values(metric, resource)').then(function(data) { results = data; });
ctx.$httpBackend.flush();
ctx.$rootScope.$apply();
expect(results.length).to.be(3);
});
it('metrics(metric.*) should generate metric name query', function() {
response = {
status: "success",
data: ["metric1","metric2","metric3","nomatch"]
};
ctx.$httpBackend.expect('GET', 'proxied/api/v1/label/__name__/values').respond(response);
ctx.ds.metricFindQuery('metrics(metric.*)').then(function(data) { results = data; });
ctx.$httpBackend.flush();
ctx.$rootScope.$apply();
expect(results.length).to.be(3);
});
});
describe('When performing annotationQuery', function() {
var results;
var urlExpected = 'proxied/api/v1/query_range?query=' +
encodeURIComponent('ALERTS{alertstate="firing"}') +
'&start=1443438675&end=1443460275&step=60s';
var annotation = {
expr: 'ALERTS{alertstate="firing"}',
tagKeys: 'job',
titleFormat: '{{alertname}}',
textFormat: '{{instance}}'
};
var response = {
status: "success",
data: {
resultType: "matrix",
result: [{
metric: {"__name__": "ALERTS", alertname: "InstanceDown", alertstate: "firing", instance: "testinstance", job: "testjob"},
values: [[1443454528, "1"]]
}]
}
};
beforeEach(function() {
ctx.$httpBackend.expect('GET', urlExpected).respond(response);
ctx.ds.annotationQuery(annotation, {from: moment(1443438674760), to: moment(1443460274760)}).then(function(data) { results = data; });
ctx.$httpBackend.flush();
});
it('should return annotation list', function() {
ctx.$rootScope.$apply();
expect(results.length).to.be(1);
expect(results[0].tags).to.contain('testjob');
expect(results[0].title).to.be('InstanceDown');
expect(results[0].text).to.be('testinstance');
expect(results[0].time).to.be(1443454528 * 1000);
});
});
});