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Implementation of yaml and backing Go code for the CRDs for supporting Fleet Allocation Overflow tracking. Work on googleforgames#2682
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,208 @@ | ||
| // Copyright 2022 Google LLC All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package v1 | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| ) | ||
|
|
||
| func TestAllocationOverflowValidate(t *testing.T) { | ||
| // valid | ||
| type expected struct { | ||
| valid bool | ||
| fields []string | ||
| } | ||
|
|
||
| fixtures := map[string]struct { | ||
| ao AllocationOverflow | ||
| expected | ||
| }{ | ||
| "empty": { | ||
| ao: AllocationOverflow{}, | ||
| expected: expected{ | ||
| valid: true, | ||
| fields: nil, | ||
| }, | ||
| }, | ||
| "bad label name": { | ||
| ao: AllocationOverflow{ | ||
| Labels: map[string]string{"$$$foobar": "stuff"}, | ||
| Annotations: nil, | ||
| }, | ||
| expected: expected{ | ||
| valid: false, | ||
| fields: []string{"labels"}, | ||
| }, | ||
| }, | ||
| "bad label value": { | ||
| ao: AllocationOverflow{ | ||
| Labels: map[string]string{"valid": "$$$NOPE"}, | ||
| Annotations: nil, | ||
| }, | ||
| expected: expected{ | ||
| valid: false, | ||
| fields: []string{"labels"}, | ||
| }, | ||
| }, | ||
| "bad annotation name": { | ||
| ao: AllocationOverflow{ | ||
| Labels: nil, | ||
| Annotations: map[string]string{"$$$foobar": "stuff"}, | ||
| }, | ||
| expected: expected{ | ||
| valid: false, | ||
| fields: []string{"annotations"}, | ||
| }, | ||
| }, | ||
| "valid full": { | ||
| ao: AllocationOverflow{ | ||
| Labels: map[string]string{"valid": "yes", "still.valid": "check-me-out"}, | ||
| Annotations: map[string]string{"icando-this": "yes, I can do all kinds of things here $$$"}, | ||
| }, | ||
| expected: expected{ | ||
| valid: true, | ||
| fields: nil, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for k, v := range fixtures { | ||
| t.Run(k, func(t *testing.T) { | ||
| causes, valid := v.ao.Validate() | ||
| assert.Equal(t, v.expected.valid, valid, "valid") | ||
| if v.expected.fields == nil { | ||
| assert.Empty(t, causes) | ||
| } else { | ||
| for i, cause := range causes { | ||
| assert.Equal(t, metav1.CauseTypeFieldValueInvalid, cause.Type) | ||
| // messages come from K8s validation libraries, so testing exact matches would be brittle. | ||
| assert.Contains(t, cause.Message, "Invalid value:") | ||
| assert.Equal(t, v.expected.fields[i], cause.Field) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestAllocationOverflowCountMatches(t *testing.T) { | ||
| type expected struct { | ||
| count int32 | ||
| rest int | ||
| } | ||
|
|
||
| fixtures := map[string]struct { | ||
| list func([]*GameServer) | ||
| ao func(*AllocationOverflow) | ||
| expected expected | ||
| }{ | ||
| "simple": { | ||
| list: func(_ []*GameServer) {}, | ||
| ao: func(_ *AllocationOverflow) {}, | ||
| expected: expected{ | ||
| count: 2, | ||
| rest: 0, | ||
| }, | ||
| }, | ||
| "label selector": { | ||
| list: func(list []*GameServer) { | ||
| list[0].ObjectMeta.Labels = map[string]string{"colour": "blue"} | ||
| }, | ||
| ao: func(ao *AllocationOverflow) { | ||
| ao.Labels = map[string]string{"colour": "blue"} | ||
| }, | ||
| expected: expected{ | ||
| count: 1, | ||
| rest: 1, | ||
| }, | ||
| }, | ||
| "annotation selector": { | ||
| list: func(list []*GameServer) { | ||
| list[0].ObjectMeta.Annotations = map[string]string{"colour": "green"} | ||
| }, | ||
| ao: func(ao *AllocationOverflow) { | ||
| ao.Annotations = map[string]string{"colour": "green"} | ||
| }, | ||
| expected: expected{ | ||
| count: 1, | ||
| rest: 1, | ||
| }, | ||
| }, | ||
| "both": { | ||
| list: func(list []*GameServer) { | ||
| list[0].ObjectMeta.Labels = map[string]string{"colour": "blue"} | ||
| list[0].ObjectMeta.Annotations = map[string]string{"colour": "green"} | ||
| }, | ||
| ao: func(ao *AllocationOverflow) { | ||
| ao.Labels = map[string]string{"colour": "blue"} | ||
| ao.Annotations = map[string]string{"colour": "green"} | ||
| }, | ||
| expected: expected{ | ||
| count: 1, | ||
| rest: 1, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| for k, v := range fixtures { | ||
| t.Run(k, func(t *testing.T) { | ||
| list := []*GameServer{ | ||
| {ObjectMeta: metav1.ObjectMeta{Name: "g1"}, Status: GameServerStatus{State: GameServerStateAllocated}}, | ||
| {ObjectMeta: metav1.ObjectMeta{Name: "g2"}, Status: GameServerStatus{State: GameServerStateAllocated}}, | ||
| {ObjectMeta: metav1.ObjectMeta{Name: "g3"}, Status: GameServerStatus{State: GameServerStateReady}}, | ||
| } | ||
| v.list(list) | ||
| ao := &AllocationOverflow{ | ||
| Labels: nil, | ||
| Annotations: nil, | ||
| } | ||
| v.ao(ao) | ||
|
|
||
| count, rest := ao.CountMatches(list) | ||
| assert.Equal(t, v.expected.count, count, "count") | ||
| assert.Equal(t, v.expected.rest, len(rest), "rest") | ||
| for _, gs := range rest { | ||
| assert.Equal(t, GameServerStateAllocated, gs.Status.State) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func TestAllocationOverflowApply(t *testing.T) { | ||
| // check empty | ||
| gs := &GameServer{} | ||
| ao := AllocationOverflow{Labels: map[string]string{"colour": "green"}, Annotations: map[string]string{"colour": "blue", "map": "ice cream"}} | ||
|
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| ao.Apply(gs) | ||
|
|
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| require.Equal(t, ao.Annotations, gs.ObjectMeta.Annotations) | ||
| require.Equal(t, ao.Labels, gs.ObjectMeta.Labels) | ||
|
|
||
| // check append | ||
| ao = AllocationOverflow{Labels: map[string]string{"version": "1.0"}, Annotations: map[string]string{"version": "1.0"}} | ||
| ao.Apply(gs) | ||
|
|
||
| require.Equal(t, map[string]string{"colour": "green", "version": "1.0"}, gs.ObjectMeta.Labels) | ||
| require.Equal(t, map[string]string{"colour": "blue", "map": "ice cream", "version": "1.0"}, gs.ObjectMeta.Annotations) | ||
|
|
||
| // check overwrite | ||
| ao = AllocationOverflow{Labels: map[string]string{"colour": "red"}, Annotations: map[string]string{"colour": "green"}} | ||
| ao.Apply(gs) | ||
| require.Equal(t, map[string]string{"colour": "red", "version": "1.0"}, gs.ObjectMeta.Labels) | ||
| require.Equal(t, map[string]string{"colour": "green", "map": "ice cream", "version": "1.0"}, gs.ObjectMeta.Annotations) | ||
| } |
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