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|
// Copyright 2022 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package replicacount
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
filtertest_test "sigs.k8s.io/kustomize/api/testutils/filtertest"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
func TestFilter(t *testing.T) {
mutationTrackerStub := filtertest_test.MutationTrackerStub{}
testCases := map[string]struct {
input string
expected string
filter Filter
mutationTracker func(key, value, tag string, node *yaml.RNode)
expectedSetValueArgs []filtertest_test.SetValueArg
}{
"update field": {
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: dep
spec:
replicas: 5
`,
expected: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: dep
spec:
replicas: 42
`,
filter: Filter{
Replica: types.Replica{
Name: "dep",
Count: 42,
},
FieldSpec: types.FieldSpec{Path: "spec/replicas"},
},
},
"add field": {
input: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
`,
expected: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
replicas: 42
`,
filter: Filter{
Replica: types.Replica{
Name: "cus",
Count: 42,
},
FieldSpec: types.FieldSpec{
Path: "spec/template/replicas",
CreateIfNotPresent: true,
},
},
},
"add_field_null": {
input: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
replicas: null
`,
expected: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
replicas: 42
`,
filter: Filter{
Replica: types.Replica{
Name: "cus",
Count: 42,
},
FieldSpec: types.FieldSpec{
Path: "spec/template/replicas",
CreateIfNotPresent: true,
},
},
},
"no update if CreateIfNotPresent is false": {
input: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
`,
expected: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
other: something
`,
filter: Filter{
Replica: types.Replica{
Name: "cus",
Count: 42,
},
FieldSpec: types.FieldSpec{
Path: "spec/template/replicas",
},
},
},
"update multiple fields": {
input: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
replicas: 5
`,
expected: `
apiVersion: custom/v1
kind: Custom
metadata:
name: cus
spec:
template:
replicas: 42
`,
filter: Filter{
Replica: types.Replica{
Name: "cus",
Count: 42,
},
FieldSpec: types.FieldSpec{Path: "spec/template/replicas"},
},
},
"mutation tracker": {
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: dep
spec:
replicas: 5
`,
expected: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: dep
spec:
replicas: 42
`,
filter: Filter{
Replica: types.Replica{
Name: "dep",
Count: 42,
},
FieldSpec: types.FieldSpec{Path: "spec/replicas"},
},
mutationTracker: mutationTrackerStub.MutationTracker,
expectedSetValueArgs: []filtertest_test.SetValueArg{
{
Value: "42",
Tag: "!!int",
NodePath: []string{"spec", "replicas"},
},
},
},
}
for tn, tc := range testCases {
mutationTrackerStub.Reset()
tc.filter.WithMutationTracker(tc.mutationTracker)
t.Run(tn, func(t *testing.T) {
if !assert.Equal(t,
strings.TrimSpace(tc.expected),
strings.TrimSpace(
filtertest_test.RunFilter(t, tc.input, tc.filter))) {
t.FailNow()
}
assert.Equal(t, tc.expectedSetValueArgs, mutationTrackerStub.SetValueArgs())
})
}
}
|
