podman/test/utils/matchers.go

62 lines
1.6 KiB
Go

package utils
import (
"fmt"
"github.com/onsi/gomega/format"
"github.com/onsi/gomega/gexec"
)
// ExitWithError matches when assertion is > argument. Default 0
// Modeled after the gomega Exit() matcher
func ExitWithError(optionalExitCode ...int) *exitMatcher {
exitCode := 0
if len(optionalExitCode) > 0 {
exitCode = optionalExitCode[0]
}
return &exitMatcher{exitCode: exitCode}
}
type exitMatcher struct {
exitCode int
actualExitCode int
}
func (m *exitMatcher) Match(actual interface{}) (success bool, err error) {
exiter, ok := actual.(gexec.Exiter)
if !ok {
return false, fmt.Errorf("ExitWithError must be passed a gexec.Exiter (Missing method ExitCode() int) Got:\n#{format.Object(actual, 1)}")
}
m.actualExitCode = exiter.ExitCode()
if m.actualExitCode == -1 {
return false, nil
}
return m.actualExitCode > m.exitCode, nil
}
func (m *exitMatcher) FailureMessage(actual interface{}) (message string) {
if m.actualExitCode == -1 {
return "Expected process to exit. It did not."
}
return format.Message(m.actualExitCode, "to be greater than exit code:", m.exitCode)
}
func (m *exitMatcher) NegatedFailureMessage(actual interface{}) (message string) {
if m.actualExitCode == -1 {
return "you really shouldn't be able to see this!"
} else {
if m.exitCode == -1 {
return "Expected process not to exit. It did."
}
return format.Message(m.actualExitCode, "is less than or equal to exit code:", m.exitCode)
}
}
func (m *exitMatcher) MatchMayChangeInTheFuture(actual interface{}) bool {
session, ok := actual.(*gexec.Session)
if ok {
return session.ExitCode() == -1
}
return true
}