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View Code? Open in Web Editor NEWTracing Based JavaScript Assertions
Home Page: https://aspecto-io.github.io/malabi/index.html
License: Apache License 2.0
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Support filtering by elasticsearch spans
Currently, we allow to filter by specific databases/orm like mongo/sequelize.
We want to enable this same behavior on elasticsearch, so users could filter by elasticsearch spans easily.
This is an example of usage in sequelize
const sequelizeActivities = spans.sequelize();
expect(sequelizeActivities.length).toBe(1);
expect(sequelizeActivities.first.dbOperation).toBe("SELECT");
expect(Array.isArray(JSON.parse(sequelizeActivities.first.dbResponse))).toBe(true);
We would want to enable something like this:
const esSpans = spans.elasticsearch();
expect(esSpans.length).toBe(1);
It means to implement this filter in SpansRepository class. See how it's implemented for mongo/sequelize etc.
Use test name as tracer name
In 'packages/malabi/src/instrumentation/index.ts', Instead of 'malabiRoot', we should dynamically take the name of the current test (name of the 'it' clause), and use it as tracer name.
This way, if at any time the user is looking at his traces in jaeger, he could know which test they belong to.
API Proposals
Split extract and expect
import { extract, expect, getSpans } from 'malabi';
it('http', () => {
const spans = getSpans();
const httpSpan = extract(spans).http().method('post').incoming().first();
expect(httpSpan).statusCode().toBe(200);
expect(httpSpan).successStatusCode();
expect(httpSpan).requestBody().toContain('admin');
expect(httpSpan).requestHeaders('origin').toBe('http://localhost:3000');
});
it('mongo', () => {
const spans = getSpans();
const mongoSpan = extract(spans).mongo().second();
expect(mongoSpan).operation().toBe('findOne');
expect(mongoSpan).duration().lessThan(3000);
expect(mongoSpan).statement().toHaveKey('token');
});extract + where in single statement
import { expect, getSpans } from 'malabi';
it('http', () => {
const spans = getSpans();
expect(spans).http().method('post').incoming().first().where([
expect.statusCode(200),
expect.successStatusCode,
expect.requestBody.contains('admin')
])
});Assert existence in spans array, followed by condition
Style 1 - use where
import { expect, getSpans } from 'malabi';
it('mongo', () => {
const spans = getSpans();
expect(spans).toHaveMongo()
.where([
expect.operation("findOne"),
expect.duration.lessThanMs(3000),
expect.parentSpan.exists(),
expect.statement.hasKey('token')
])
});Style 2 - conditions object
import { expect, getSpans } from 'malabi';
it('mongo', () => {
const spans = getSpans();
expect(spans).toHaveMongo({
operation: "findOne",
duration: expect.lessThan(3000),
parentSpans: expect.exists(),
statement: expect.hasKey('token')
});
});jasmine style option
replace toHaveMongo with jasmine style, ie: expect(spans).to.have.mongo, or expect(spans).to.not.have.mongo
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