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volume binder: test different CSIStorageCapacity/CSIDriver combinations

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When the feature is disabled either in the scheduler or the CSIDriver,
the scheduler is expected to schedule pods without considering whether
storage capacity is available.
This commit is contained in:
Patrick Ohly 2021-03-02 11:01:00 +01:00
parent 35c233f18d
commit e98c40a6f9
1 changed files with 27 additions and 10 deletions
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37
pkg/controller/volume/scheduling/scheduler_binder_test.go
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@ -2201,14 +2201,14 @@ func TestCapacity(t *testing.T) {
},
}
run := func(t *testing.T, scenario scenarioType) {
run := func(t *testing.T, scenario scenarioType, featureEnabled, optIn bool) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.CSIStorageCapacity, featureEnabled)()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Setup
withCSIStorageCapacity := true
testEnv := newTestBinder(t, ctx.Done(), withCSIStorageCapacity)
testEnv.addCSIDriver(makeCSIDriver(provisioner, withCSIStorageCapacity))
// Setup: the driver has the feature enabled, but the scheduler might not.
testEnv := newTestBinder(t, ctx.Done(), featureEnabled)
testEnv.addCSIDriver(makeCSIDriver(provisioner, optIn))
testEnv.addCSIStorageCapacities(scenario.capacities)
// a. Init pvc cache
@ -2221,13 +2221,19 @@ func TestCapacity(t *testing.T) {
podVolumes, reasons, err := findPodVolumes(testEnv.binder, pod, testNode)
// Validate
if !scenario.shouldFail && err != nil {
shouldFail := scenario.shouldFail
expectedReasons := scenario.reasons
if !featureEnabled || !optIn {
shouldFail = false
expectedReasons = nil
}
if !shouldFail && err != nil {
t.Errorf("returned error: %v", err)
}
if scenario.shouldFail && err == nil {
if shouldFail && err == nil {
t.Error("returned success but expected error")
}
checkReasons(t, reasons, scenario.reasons)
checkReasons(t, reasons, expectedReasons)
provisions := scenario.pvcs
if len(reasons) > 0 {
provisions = nil
@ -2235,7 +2241,18 @@ func TestCapacity(t *testing.T) {
testEnv.validatePodCache(t, pod.Spec.NodeName, pod, podVolumes, nil, provisions)
}
for name, scenario := range scenarios {
t.Run(name, func(t *testing.T) { run(t, scenario) })
yesNo := []bool{true, false}
for _, featureEnabled := range yesNo {
name := fmt.Sprintf("CSIStorageCapacity=%v", featureEnabled)
t.Run(name, func(t *testing.T) {
for _, optIn := range yesNo {
name := fmt.Sprintf("CSIDriver.StorageCapacity=%v", optIn)
t.Run(name, func(t *testing.T) {
for name, scenario := range scenarios {
t.Run(name, func(t *testing.T) { run(t, scenario, featureEnabled, optIn) })
}
})
}
})
}
}