Tests without suites

[metafates]

This PR adds a new functionality to run Testo tests without suites.

Example:

package main

import (
	"testing"

	"github.com/ozontech/testo"
)

type T = *testo.T

func TestSimple(t *testing.T) {
	testo.RunTest(t, func(t T) {
		t.Log("Hello from testo!")
	})
}

func TestMultiple(t *testing.T) {
	t.Run("First test", testo.Test(func(t T) {
		t.Log("Hello from the first test!")
	}))

	t.Run("Second test", testo.Test(func(t T) {
		t.Log("Hello from the second test!")
	}))
}

How it works

Underneath, it constructs a special singleton suite which contains a single test. This test has a dynamic name, taken from the parent (real) test, which invokes testo.RunTest.

For example, here name of testo test is also TestSimple:

func TestSimple(t *testing.T) {
	testo.RunTest(t, func(t T) {
		t.Log("Hello from testo!")
	})
}

Name of the test means what plugins would see upon reflection. E.g. Allure plugin would generate a report with suiteless TestSimple test.

If we need to rename it, we just call t.Run(t, testo.Test(func(t T) {})):

func TestMultiple(t *testing.T) {
	t.Run("First test", testo.Test(func(t T) {
		t.Log("Hello from the first test!")
	}))

	t.Run("Second test", testo.Test(func(t T) {
		t.Log("Hello from the second test!")
	}))
}

So here it's also "First test" for the first testo test, and "Second test" for the second test.

For plugins nothing should change, as they will get an empty-named (SuiteInfo.Name = "") with a single test. Works with allure plugin out of the box.

Note

This is work in progress & proof of concept.