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|
// Package suite is a simplified version of testify's suite package which has unnecessary dependencies.
// Please remove this package whenever possible.
package suite
import (
"context"
"flag"
"reflect"
"runtime/debug"
"strings"
"testing"
"github.com/docker/docker/testutil"
)
// TimeoutFlag is the flag to set a per-test timeout when running tests. Defaults to `-timeout`.
var TimeoutFlag = flag.Duration("timeout", 0, "DO NOT USE")
var typTestingT = reflect.TypeOf(new(testing.T))
// Run takes a testing suite and runs all of the tests attached to it.
func Run(ctx context.Context, t *testing.T, suite interface{}) {
defer failOnPanic(t)
ctx = testutil.StartSpan(ctx, t)
suiteCtx := ctx
suiteSetupDone := false
defer func() {
if suiteSetupDone {
if tearDownAllSuite, ok := getTeardownAllSuite(suite); ok {
tearDownAllSuite.TearDownSuite(suiteCtx, t)
}
}
}()
methodFinder := reflect.TypeOf(suite)
for index := 0; index < methodFinder.NumMethod(); index++ {
method := methodFinder.Method(index)
if !methodFilter(method.Name, method.Type) {
continue
}
t.Run(method.Name, func(t *testing.T) {
ctx := testutil.StartSpan(ctx, t)
testutil.SetContext(t, ctx)
t.Cleanup(func() {
testutil.CleanupContext(t)
})
defer failOnPanic(t)
if !suiteSetupDone {
if setupAllSuite, ok := getSetupAllSuite(suite); ok {
setupAllSuite.SetUpSuite(suiteCtx, t)
}
suiteSetupDone = true
}
if setupTestSuite, ok := getSetupTestSuite(suite); ok {
setupTestSuite.SetUpTest(ctx, t)
}
defer func() {
if tearDownTestSuite, ok := getTearDownTestSuite(suite); ok {
tearDownTestSuite.TearDownTest(ctx, t)
}
}()
method.Func.Call([]reflect.Value{reflect.ValueOf(suite), reflect.ValueOf(t)})
})
}
}
func getSetupAllSuite(suite interface{}) (SetupAllSuite, bool) {
setupAllSuite, ok := suite.(SetupAllSuite)
if ok {
return setupAllSuite, ok
}
t := reflect.TypeOf(suite)
for i := 0; i < t.NumMethod(); i++ {
if t.Method(i).Name == "SetUpSuite" {
panic("Wrong SetUpSuite signature")
}
}
return nil, false
}
func getSetupTestSuite(suite interface{}) (SetupTestSuite, bool) {
setupAllTest, ok := suite.(SetupTestSuite)
if ok {
return setupAllTest, ok
}
t := reflect.TypeOf(suite)
for i := 0; i < t.NumMethod(); i++ {
if t.Method(i).Name == "SetUpTest" {
panic("Wrong SetUpTest signature")
}
}
return nil, false
}
func getTearDownTestSuite(suite interface{}) (TearDownTestSuite, bool) {
tearDownTest, ok := suite.(TearDownTestSuite)
if ok {
return tearDownTest, ok
}
t := reflect.TypeOf(suite)
for i := 0; i < t.NumMethod(); i++ {
if t.Method(i).Name == "TearDownTest" {
panic("Wrong TearDownTest signature")
}
}
return nil, false
}
func getTeardownAllSuite(suite interface{}) (TearDownAllSuite, bool) {
tearDownAll, ok := suite.(TearDownAllSuite)
if ok {
return tearDownAll, ok
}
t := reflect.TypeOf(suite)
for i := 0; i < t.NumMethod(); i++ {
if t.Method(i).Name == "TearDownSuite" {
panic("Wrong TearDownSuite signature")
}
}
return nil, false
}
func failOnPanic(t *testing.T) {
r := recover()
if r != nil {
t.Errorf("test suite panicked: %v\n%s", r, debug.Stack())
t.FailNow()
}
}
func methodFilter(name string, typ reflect.Type) bool {
return strings.HasPrefix(name, "Test") && typ.NumIn() == 2 && typ.In(1) == typTestingT // 2 params: method receiver and *testing.T
}
|
