godog/formatter.go
2015-06-15 14:42:40 +03:00

127 строки
2,8 КиБ
Go

package godog
import (
"fmt"
"math"
"strings"
"github.com/DATA-DOG/godog/gherkin"
)
func init() {
RegisterFormatter("pretty", &pretty{})
}
// Formatter is an interface for feature runner output
type Formatter interface {
Node(interface{})
Failed(*gherkin.Step, *stepMatchHandler, error)
Passed(*gherkin.Step, *stepMatchHandler)
Skipped(*gherkin.Step)
Pending(*gherkin.Step)
}
type pretty struct {
feature *gherkin.Feature
scenario *gherkin.Scenario
doneBackground bool
background *gherkin.Background
}
func (f *pretty) line(tok *gherkin.Token) string {
return cl(fmt.Sprintf("#%s:%d", f.feature.Path, tok.Line), magenta)
}
func (f *pretty) canPrintStep(step *gherkin.Step) bool {
if f.background == nil {
return true
}
var backgroundStep bool
for _, s := range f.background.Steps {
if s == step {
backgroundStep = true
break
}
}
if !backgroundStep {
f.doneBackground = true
return true
}
return !f.doneBackground
}
func (f *pretty) Node(node interface{}) {
switch t := node.(type) {
case *gherkin.Feature:
f.feature = t
f.doneBackground = false
f.scenario = nil
f.background = nil
fmt.Println("\n"+bcl("Feature: ", white)+t.Title, f.line(t.Token))
fmt.Println(t.Description)
case *gherkin.Background:
f.background = t
fmt.Println("\n" + bcl("Background:", white))
case *gherkin.Scenario:
f.scenario = t
fmt.Println("\n"+strings.Repeat(" ", t.Token.Indent)+bcl("Scenario: ", white)+t.Title, f.line(t.Token))
}
}
func (f *pretty) printMatchedStep(step *gherkin.Step, match *stepMatchHandler, c color) {
if !f.canPrintStep(step) {
return
}
var text string
if m := (match.expr.FindStringSubmatchIndex(step.Text))[2:]; len(m) > 0 {
var pos, i int
for pos, i = 0, 0; i < len(m); i++ {
if math.Mod(float64(i), 2) == 0 {
text += cl(step.Text[pos:m[i]], c)
} else {
text += bcl(step.Text[pos:m[i]], c)
}
pos = m[i]
}
text += cl(step.Text[pos:len(step.Text)], c)
} else {
text = cl(step.Text, c)
}
switch step.Token.Type {
case gherkin.GIVEN:
text = cl("Given", c) + " " + text
case gherkin.WHEN:
text = cl("When", c) + " " + text
case gherkin.THEN:
text = cl("Then", c) + " " + text
case gherkin.AND:
text = cl("And", c) + " " + text
case gherkin.BUT:
text = cl("But", c) + " " + text
}
fmt.Println(strings.Repeat(" ", step.Token.Indent) + text)
}
func (f *pretty) Passed(step *gherkin.Step, match *stepMatchHandler) {
f.printMatchedStep(step, match, green)
}
func (f *pretty) Skipped(step *gherkin.Step) {
if f.canPrintStep(step) {
fmt.Println(cl(step.Token.Text, cyan))
}
}
func (f *pretty) Pending(step *gherkin.Step) {
if f.canPrintStep(step) {
fmt.Println(cl(step.Token.Text, yellow))
}
}
func (f *pretty) Failed(step *gherkin.Step, match *stepMatchHandler, err error) {
f.printMatchedStep(step, match, red)
}