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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package target_test
import (
"fmt"
"strings"
"testing"
kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/resid"
)
// To simplify tests, these vars specified in alphabetical order.
var someVars = []types.Var{
{
Name: "AWARD",
ObjRef: types.Target{
APIVersion: "v7",
Gvk: resid.Gvk{Kind: "Service"},
Name: "nobelPrize"},
FieldRef: types.FieldSelector{FieldPath: "some.arbitrary.path"},
},
{
Name: "BIRD",
ObjRef: types.Target{
APIVersion: "v300",
Gvk: resid.Gvk{Kind: "Service"},
Name: "heron"},
FieldRef: types.FieldSelector{FieldPath: "metadata.name"},
},
{
Name: "FRUIT",
ObjRef: types.Target{
Gvk: resid.Gvk{Kind: "Service"},
Name: "apple"},
FieldRef: types.FieldSelector{FieldPath: "metadata.name"},
},
{
Name: "VEGETABLE",
ObjRef: types.Target{
Gvk: resid.Gvk{Kind: "Leafy"},
Name: "kale"},
FieldRef: types.FieldSelector{FieldPath: "metadata.name"},
},
}
func TestGetAllVarsSimple(t *testing.T) {
th := kusttest_test.MakeHarness(t)
th.WriteK("/app", `
vars:
- name: AWARD
objref:
kind: Service
name: nobelPrize
apiVersion: v7
fieldref:
fieldpath: some.arbitrary.path
- name: BIRD
objref:
kind: Service
name: heron
apiVersion: v300
`)
ra, err := makeAndLoadKustTarget(
t, th.GetFSys(), "/app").AccumulateTarget()
if err != nil {
t.Fatalf("Err: %v", err)
}
vars := ra.Vars()
if len(vars) != 2 {
t.Fatalf("unexpected size %d", len(vars))
}
for i := range vars[:2] {
// By using Var.DeepEqual, we are protecting the code
// from a potential invocation of vars[i].ObjRef.GVK()
// during accumulateTarget
if !vars[i].DeepEqual(someVars[i]) {
t.Fatalf("unexpected var[%d]:\n %v\n %v", i, vars[i], someVars[i])
}
}
}
func TestGetAllVarsNested(t *testing.T) {
th := kusttest_test.MakeHarness(t)
th.WriteK("/app/base", `
vars:
- name: AWARD
objref:
kind: Service
name: nobelPrize
apiVersion: v7
fieldref:
fieldpath: some.arbitrary.path
- name: BIRD
objref:
kind: Service
name: heron
apiVersion: v300
`)
th.WriteK("/app/overlays/o1", `
vars:
- name: FRUIT
objref:
kind: Service
name: apple
resources:
- ../../base
`)
th.WriteK("/app/overlays/o2", `
vars:
- name: VEGETABLE
objref:
kind: Leafy
name: kale
resources:
- ../o1
`)
ra, err := makeAndLoadKustTarget(
t, th.GetFSys(), "/app/overlays/o2").AccumulateTarget()
if err != nil {
t.Fatalf("Err: %v", err)
}
vars := ra.Vars()
if len(vars) != 4 {
for i, v := range vars {
fmt.Printf("%v: %v\n", i, v)
}
t.Fatalf("expected 4 vars, got %d", len(vars))
}
for i := range vars {
// By using Var.DeepEqual, we are protecting the code
// from a potential invocation of vars[i].ObjRef.GVK()
// during accumulateTarget
if !vars[i].DeepEqual(someVars[i]) {
t.Fatalf("unexpected var[%d]:\n %v\n %v", i, vars[i], someVars[i])
}
}
}
func TestVarCollisionsForbidden(t *testing.T) {
th := kusttest_test.MakeHarness(t)
th.WriteK("/app/base", `
vars:
- name: AWARD
objref:
kind: Service
name: nobelPrize
apiVersion: v7
fieldref:
fieldpath: some.arbitrary.path
- name: BIRD
objref:
kind: Service
name: heron
apiVersion: v300
`)
th.WriteK("/app/overlays/o1", `
vars:
- name: AWARD
objref:
kind: Service
name: academy
resources:
- ../../base
`)
th.WriteK("/app/overlays/o2", `
vars:
- name: VEGETABLE
objref:
kind: Leafy
name: kale
resources:
- ../o1
`)
_, err := makeAndLoadKustTarget(
t, th.GetFSys(), "/app/overlays/o2").AccumulateTarget()
if err == nil {
t.Fatalf("expected var collision")
}
if !strings.Contains(err.Error(),
"var 'AWARD' already encountered") {
t.Fatalf("unexpected error: %v", err)
}
}
|
