fix: trying to solve issue #43

[gkampitakis]

Trying fix in the most generic way the issue with snaps failing when being called from inside a test suite.

Testing with

package issues

import (
	"go-snaps-testing-suite/src/objects"
	"testing"

	"github.com/gkampitakis/go-snaps/snaps"
	"golang.org/x/tools/go/packages/packagestest"
)

func TestGoList(t *testing.T) { packagestest.TestAll(t, testMyFunc) }
func testMyFunc(t *testing.T, x packagestest.Exporter) {
	snaps.MatchSnapshot(t, "hello world from here")
}

func TestWithHelpers(t *testing.T) {
	objects.MyHelper(t, "hello george ")
}

and

package issues

import (
	"testing"

	"go-snaps-testing-suite/src/objects"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/suite"
)

// Define the suite, and absorb the built-in basic suite
// functionality from testify - including a T() method which
// returns the current testing context
type ExampleTestSuite struct {
	suite.Suite
	VariableThatShouldStartAtFive int
}

// Make sure that VariableThatShouldStartAtFive is set to five
// before each test
func (suite *ExampleTestSuite) SetupTest() {
	suite.VariableThatShouldStartAtFive = 5
}

// All methods that begin with "Test" are run as tests within a
// suite.
func (suite *ExampleTestSuite) TestExample() {
	assert.Equal(suite.T(), 5, suite.VariableThatShouldStartAtFive)
}

func (suite *ExampleTestSuite) TestExampleSnapshot() {
	objects.MyHelper(suite.T(), "hello world")
}

// In order for 'go test' to run this suite, we need to create
// a normal test function and pass our suite to suite.Run
func TestExampleTestSuite(t *testing.T) {
	suite.Run(t, new(ExampleTestSuite))
}

package issues

import (
	"testing"

	"github.com/adamluzsi/testcase"
	"github.com/gkampitakis/go-snaps/snaps"
)

func Test_withTestcaseSpec(t *testing.T) {
	s := testcase.NewSpec(t)

	s.Test("hello world", func(tc *testcase.T) {
		tc.Must.True(true)

		snaps.MatchSnapshot(t, "hello world")
	})
}

Suites/Packages to support:

• testify/suite
• packagestest
• testcase