func (s *StepDefinition) CallIfMatch(c *Context, test Tester, line string, arg string) (bool, error) {
if match := s.Matcher.FindStringSubmatch(line); match != nil {
match = match[1:] // discard full line match
// adjust arity if there is step arg data
numArgs := len(match)
if arg != "" {
numArgs++
}
t := s.Function.Type()
if t.NumIn() > 0 && t.In(0).Kind() == reflect.Ptr {
e := t.In(0).Elem()
if e.String() == "testing.T" {
numArgs++ // first param is *testing.T
}
}
if numArgs != t.NumIn() { // function has different arity
return true, fmt.Errorf("matcher function has different arity %d != %d",
numArgs, t.NumIn())
}
values := make([]reflect.Value, numArgs)
for m, i := 0, 0; i < t.NumIn(); i++ {
param := t.In(i)
var v interface{}
switch param.Kind() {
case reflect.Slice:
param = param.Elem()
if param.String() == "gherkin.TabularData" {
v = gherkin.StringData(arg).ToTable()
} else if param.Kind() == reflect.Slice && param.Elem().Kind() == reflect.String {
// just a raw [][]string slice
v = gherkin.StringData(arg).ToTable()
}
case reflect.Ptr:
if param.Elem().String() == "testing.T" {
v = test
}
case reflect.Int:
i, _ := strconv.ParseInt(match[m], 10, 32)
v = int(i)
m++
case reflect.Int64:
v, _ = strconv.ParseInt(match[m], 10, 64)
m++
case reflect.String:
// this could be from `arg`, check match index
if m >= len(match) {
v = arg
} else {
v = match[m]
m++
}
case reflect.Float64:
v, _ = strconv.ParseFloat(match[m], 64)
m++
}
if v == nil {
panic("type " + t.String() + "is not supported.")
}
values[i] = reflect.ValueOf(v)
}
s.Function.Call(values)
return true, nil
}
return false, nil
}
func (c *Runner) runScenario(title string, f *gherkin.Feature, s *gherkin.Scenario, isExample bool) {
if !s.FilterMatched(f, c.Filters...) {
return
}
for k, fn := range c.BeforeFilters {
if s.FilterMatched(f, strings.Split(k, "|")...) {
fn()
}
}
if s.Examples != "" { // run scenario outline data
exrows := strings.Split(string(s.Examples), "\n")
c.line(clrCyan, " "+strings.Join([]string(s.Tags), " "))
c.fileLine("0;1", " %s Outline: %s", s.Filename, s.Line, s.LongestLine()+1,
title, s.Title)
for _, step := range s.Steps {
c.fileLine("0;0", " %s %s", step.Filename, step.Line,
s.LongestLine()+1, step.Type, step.Text)
}
c.line(clrWhite, "")
c.line("0;1", " Examples:")
c.line(clrCyan, " %s", exrows[0])
tab := s.Examples.ToTable()
tabmap := tab.ToMap()
for i, rows := 1, len(tab); i < rows; i++ {
other := gherkin.Scenario{
Filename: s.Filename,
Line: s.Line,
Title: s.Title,
Examples: gherkin.StringData(""),
Steps: []gherkin.Step{},
}
for _, step := range s.Steps {
step.Text = reOutlineVal.ReplaceAllStringFunc(step.Text, func(t string) string {
return tabmap[t[1:len(t)-1]][i-1]
})
other.Steps = append(other.Steps, step)
}
fc := c.FailCount
clr := clrGreen
c.runScenario(title, f, &other, true)
if fc != c.FailCount {
clr = clrRed
}
c.line(clr, " %s", exrows[i])
}
c.line(clrWhite, "")
for k, fn := range c.AfterFilters {
if s.FilterMatched(f, strings.Split(k, "|")...) {
fn()
}
}
return
}
t := &TestingT{}
skipping := false
clr := clrGreen
if !isExample {
if len(s.Tags) > 0 {
c.line(clrCyan, " "+strings.Join([]string(s.Tags), " "))
}
c.fileLine("0;1", " %s: %s", s.Filename, s.Line, s.LongestLine(),
title, s.Title)
}
for _, step := range s.Steps {
errCount := len(t.errors)
found := false
if !skipping && !t.Failed() {
done := make(chan bool)
go func() {
defer func() {
c.Results = append(c.Results, RunnerResult{t, f, s})
if t.Skipped() {
c.SkipCount++
skipping = true
clr = clrYellow
} else if t.Failed() {
c.FailCount++
clr = clrRed
}
done <- true
}()
f, err := c.Execute(t, step.Text, string(step.Argument))
if err != nil {
t.Error(err)
}
found = f
if !f {
t.Skip("no match function for step")
}
}()
<-done
}
if skipping && !found {
cstep := step
c.Unmatched = append(c.Unmatched, &cstep)
}
if !isExample {
c.fileLine(clr, " %s %s", step.Filename, step.Line,
s.LongestLine(), step.Type, step.Text)
if len(step.Argument) > 0 {
if !step.Argument.IsTabular() {
c.line(clrWhite, ` """`)
}
for _, l := range strings.Split(string(step.Argument), "\n") {
c.line(clrWhite, " %s", l)
}
if !step.Argument.IsTabular() {
c.line(clrWhite, ` """`)
}
}
}
if len(t.errors) > errCount {
c.line(clrRed, "\n"+t.errors[len(t.errors)-1].message)
}
}
if !isExample {
c.line(clrWhite, "")
}
for k, fn := range c.AfterFilters {
if s.FilterMatched(f, strings.Split(k, "|")...) {
fn()
}
}
}