package fxtesting

import (
	"testing"
)

// T wraps a testing.T to add Fuchsia-specific test functionality.
// Example Usage:
//    t.Run("a_test", func(t *testing.T) {
//      fxt := T{t}
//      fxt.AssertNil(MaybeError())
//    })
type T struct {
	*testing.T
}

// IsPresubmitMode returns true iff running in short mode.  To enable short mode, run
// `go test -short`.  Long running tests and integration tests should Skip() themselves if
// this flag is set.  See https://golang.org/pkg/testing/ for an explanation of the
// testing package's short flag.
func IsPresubmitMode() bool {
	return testing.Short()
}

// AssertNil raises a fatal error if the error is not nil.
func (t *T) AssertNil(err error) {
	if err != nil {
		t.Fatal(err)
	}
}

// Assert raises a fatal error with the given message if a condition is not met. A single
// string message is required at minimum to aid in debugging test failures.
func (t *T) Assert(condition bool, format string, args ...interface{}) {
	if !condition {
		t.Fatalf(format, args...)
	}
}