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package trace
import (
"bytes"
"gopkg.in/check.v1"
"netbsd.org/pkglint/intqa"
"testing"
)
type Suite struct {
Tracer Tracer
}
var _ = check.Suite(new(Suite))
func Test(t *testing.T) { check.TestingT(t) }
func (t *Tracer) onlyArguments(args ...interface{}) {
defer t.Call(args...)()
t.Stepf("Running %q", "code")
}
func (t *Tracer) argumentsAndResult(arg0 string, arg1 int) (result string) {
defer t.Call(arg0, arg1, t.Result(&result))()
t.Stepf("Running %q", "code")
return "the result"
}
func (t *Tracer) argumentsAndResultWrong(arg0 string, arg1 int) (result string) {
defer t.Call(arg0, arg1, result)() // "result" is evaluated too early and only once.
t.Stepf("Running %q", "code")
return "the result"
}
func (s *Suite) Test_Tracer_Call__only_arguments(c *check.C) {
tracer := &s.Tracer
output := s.captureTracingOutput(func() {
tracer.onlyArguments("arg0", 1234)
})
c.Check(output, check.Equals, ""+
"TRACE: + netbsd.org/pkglint/trace.(*Tracer).onlyArguments(\"arg0\", 1234)\n"+
"TRACE: 1 Running \"code\"\n"+
"TRACE: - netbsd.org/pkglint/trace.(*Tracer).onlyArguments(\"arg0\", 1234)\n")
}
func (s *Suite) Test_Tracer_Call__arguments_and_result(c *check.C) {
tracer := &s.Tracer
output := s.captureTracingOutput(func() {
tracer.argumentsAndResult("arg0", 1234)
})
c.Check(output, check.Equals, ""+
"TRACE: + netbsd.org/pkglint/trace.(*Tracer).argumentsAndResult(\"arg0\", 1234)\n"+
"TRACE: 1 Running \"code\"\n"+
"TRACE: - netbsd.org/pkglint/trace.(*Tracer).argumentsAndResult(\"arg0\", 1234, \"=>\", \"the result\")\n")
}
func (s *Suite) Test_Tracer_Call__arguments_and_result_wrong(c *check.C) {
tracer := &s.Tracer
output := s.captureTracingOutput(func() {
tracer.argumentsAndResultWrong("arg0", 1234)
})
c.Check(output, check.Equals, ""+
"TRACE: + netbsd.org/pkglint/trace.(*Tracer).argumentsAndResultWrong(\"arg0\", 1234, \"\")\n"+
"TRACE: 1 Running \"code\"\n"+
"TRACE: - netbsd.org/pkglint/trace.(*Tracer).argumentsAndResultWrong(\"arg0\", 1234, \"\")\n")
}
func (s *Suite) Test__fixed_argument_variants(c *check.C) {
tracer := &s.Tracer
output := s.captureTracingOutput(func() {
defer tracer.Call0()()
defer tracer.Call1("x")()
defer tracer.Call2("x", "y")()
tracer.Step1("step %s", "a")
tracer.Step2("step %s, %s", "a", "b")
})
c.Check(output, check.Equals, ""+
"TRACE: + netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1()\n"+
"TRACE: 1 + netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1(\"x\")\n"+
"TRACE: 1 2 + netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1(\"x\", \"y\")\n"+
"TRACE: 1 2 3 step a\n"+
"TRACE: 1 2 3 step a, b\n"+
"TRACE: 1 2 - netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1(\"x\", \"y\")\n"+
"TRACE: 1 - netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1(\"x\")\n"+
"TRACE: - netbsd.org/pkglint/trace.(*Suite).Test__fixed_argument_variants.func1()\n")
}
func (s *Suite) Test__stringer_arg(c *check.C) {
tracer := &s.Tracer
output := s.captureTracingOutput(func() {
defer tracer.Call(str{}, &str{})()
})
c.Check(output, check.Equals, ""+
"TRACE: + netbsd.org/pkglint/trace.(*Suite).Test__stringer_arg.func1(It's a string, It's a string)\n"+
"TRACE: - netbsd.org/pkglint/trace.(*Suite).Test__stringer_arg.func1(It's a string, It's a string)\n")
}
func (s *Suite) Test_Tracer_traceCall__panic(c *check.C) {
tracer := &s.Tracer
c.Check(
func() { tracer.traceCall() },
check.Panics,
"Internal pkglint error: calls to trace.Call must only occur in tracing mode")
}
func (s *Suite) Test_Tracer_Result__panic(c *check.C) {
tracer := &s.Tracer
c.Check(
func() { tracer.Result("invalid argument") },
check.Panics,
"Result must be called with a pointer to the result, not \"invalid argument\".")
}
func (s *Suite) captureTracingOutput(action func()) string {
tracer := &s.Tracer
out := bytes.Buffer{}
tracer.Out = &out
tracer.Tracing = true
action()
tracer.Tracing = false
tracer.Out = nil
return out.String()
}
type str struct{}
func (str) String() string {
return "It's a string"
}
func (s *Suite) Test__test_names(c *check.C) {
ck := intqa.NewTestNameChecker(c.Errorf)
ck.Configure("*", "*", "*", -intqa.EMissingTest)
ck.Check()
}
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