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be_actual_lrp.go
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be_actual_lrp.go
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package matchers
import (
"fmt"
"strings"
"code.cloudfoundry.org/bbs/models"
"github.com/onsi/gomega"
"github.com/onsi/gomega/format"
)
const NoCrashCount = -1
const AtLeastOneCrashCount = -2
func BeActualLRP(processGuid string, index int) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
CrashCount: NoCrashCount,
}
}
func BeUnclaimedActualLRPWithPlacementError(processGuid string, index int) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
CrashCount: NoCrashCount,
State: models.ActualLRPStateUnclaimed,
HasPlacementError: true,
}
}
func BeActualLRPWithState(processGuid string, index int, state string) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
State: state,
CrashCount: NoCrashCount,
}
}
func BeActualLRPThatHasCrashed(processGuid string, index int) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
CrashCount: AtLeastOneCrashCount,
}
}
func BeActualLRPWithCrashCount(processGuid string, index int, crashCount int) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
CrashCount: crashCount,
}
}
func BeActualLRPWithStateAndCrashCount(processGuid string, index int, state string, crashCount int) gomega.OmegaMatcher {
return &BeActualLRPMatcher{
ProcessGuid: processGuid,
Index: index,
State: state,
CrashCount: crashCount,
}
}
type BeActualLRPMatcher struct {
ProcessGuid string
Index int
State string
CrashCount int
HasPlacementError bool
}
func (matcher *BeActualLRPMatcher) Match(actual interface{}) (success bool, err error) {
lrp, ok := actual.(models.ActualLRP)
if !ok {
return false, fmt.Errorf("BeActualLRP matcher expects a models.ActualLRP. Got:\n%s", format.Object(actual, 1))
}
matchesState := true
if matcher.State != "" {
matchesState = matcher.State == lrp.State
}
matchesCrashCount := true
if matcher.CrashCount != NoCrashCount {
if matcher.CrashCount == AtLeastOneCrashCount {
matchesCrashCount = lrp.CrashCount > 0
} else {
matchesCrashCount = matcher.CrashCount == int(lrp.CrashCount)
}
}
matchesPlacementErrorRequirement := true
if matcher.HasPlacementError {
matchesPlacementErrorRequirement = lrp.PlacementError != ""
}
return matchesPlacementErrorRequirement && matchesState && matchesCrashCount && lrp.ProcessGuid == matcher.ProcessGuid && int(lrp.Index) == matcher.Index, nil
}
func (matcher *BeActualLRPMatcher) expectedContents() string {
expectedContents := []string{
fmt.Sprintf("ProcessGuid: %s", matcher.ProcessGuid),
fmt.Sprintf("Index: %d", matcher.Index),
}
if matcher.State != "" {
expectedContents = append(expectedContents, fmt.Sprintf("State: %s", matcher.State))
}
if matcher.CrashCount != NoCrashCount {
if matcher.CrashCount == AtLeastOneCrashCount {
expectedContents = append(expectedContents, "CrashCount: > 0")
} else {
expectedContents = append(expectedContents, fmt.Sprintf("CrashCount: %d", matcher.CrashCount))
}
}
if matcher.HasPlacementError {
expectedContents = append(expectedContents, fmt.Sprintf("PlacementError Exists"))
}
return strings.Join(expectedContents, "\n")
}
func (matcher *BeActualLRPMatcher) FailureMessage(actual interface{}) (message string) {
return fmt.Sprintf("Expected\n%s\nto have:\n%s", format.Object(actual, 1), matcher.expectedContents())
}
func (matcher *BeActualLRPMatcher) NegatedFailureMessage(actual interface{}) (message string) {
return fmt.Sprintf("Expected\n%s\nnot to have:\n%s", format.Object(actual, 1), matcher.expectedContents())
}