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neko.go
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neko.go
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package neko
import (
"testing"
"github.com/stretchr/testify/mock"
)
// Simple tuple around a test description and the work
type test struct {
Name string
Func func()
}
// Keeps track of mocks, setups, and tests so they can be
// later coordinated.
type Organizer struct {
t *testing.T
only *test
mocks []*mock.Mock
setup []func()
cleanup []func()
tests []test
}
// Create a new Organizer against testing's T interface
func Start(t *testing.T) *Organizer {
return &Organizer{t: t}
}
// Track a github.com/stretchr/testify/mock.Mock along with the tests
func (o *Organizer) CheckMock(m *mock.Mock) {
o.mocks = append(o.mocks, m)
}
// Add some work to be done before each test
func (o *Organizer) Setup(f func()) {
o.setup = append(o.setup, f)
}
// Add some work to be done after each test
func (o *Organizer) Cleanup(f func()) {
o.cleanup = append(o.cleanup, f)
}
// Add a test.
func (o *Organizer) It(name string, f func()) {
o.tests = append(o.tests, test{name, f})
}
func (o *Organizer) Only(name string, f func()) {
o. f}
}
// Useful by allowing the developer to simply add 'N' before
// It to disable a block.
func (o *Organizer) NIt(name string, f func()) {
o.tests = append(o.tests, test{name, nil})
}
// Coordinate running the tests with the setups and mocks
func (o *Organizer) Run() {
if o.only != nil {
o.runTest(o.only)
return
}
for _, test := range o.tests {
o.runTest(&test)
}
}
func (o *Organizer) runTest(test *test) {
if test.Func == nil {
o.t.Logf("==== DISABLED: %s ====", test.Name)
return
}
o.t.Logf("==== %s ====", test.Name)
for _, mock := range o.mocks {
mock.ExpectedCalls = nil
mock.Calls = nil
}
for _, setup := range o.setup {
setup()
}
defer o.runCleanup()
test.Func()
for _, mock := range o.mocks {
mock.AssertExpectations(o.t)
}
}
func (o *Organizer) runCleanup() {
for _, cleanup := range o.cleanup {
cleanup()
}
}
// Have fun with neko!
func (o *Organizer) Meow() {
o.t.Logf("Meow! Neko is on the case! Running %d tests now!", len(o.tests))
o.Run()
}