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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package accumulator
import (
"reflect"
"testing"
"sigs.k8s.io/kustomize/api/resmap"
resmaptest_test "sigs.k8s.io/kustomize/api/testutils/resmaptest"
"sigs.k8s.io/kustomize/api/types"
"sigs.k8s.io/kustomize/kyaml/resid"
)
func TestRefVarTransformer(t *testing.T) {
type given struct {
varMap map[string]interface{}
fs []types.FieldSpec
res resmap.ResMap
}
type expected struct {
res resmap.ResMap
unused []string
}
testCases := map[string]struct {
given given
expected expected
errMessage string
}{
"var replacement in map[string]": {
given: given{
varMap: map[string]interface{}{
"FOO": "replacementForFoo",
"BAR": "replacementForBar",
"BAZ": int64(5),
"BOO": true,
},
fs: []types.FieldSpec{
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/map"},
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/slice"},
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/interface"},
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/num"},
},
res: resmaptest_test.NewRmBuilderDefault(t).
Add(map[string]interface{}{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": map[string]interface{}{
"name": "cm1",
},
"data": map[string]interface{}{
"map": map[string]interface{}{
"item1": "$(FOO)",
"item2": "bla",
"item3": "$(BAZ)",
"item4": "$(BAZ)+$(BAZ)",
"item5": "$(BOO)",
"item6": "if $(BOO)",
"item7": int64(2019),
},
"slice": []interface{}{
"$(FOO)",
"bla",
"$(BAZ)",
"$(BAZ)+$(BAZ)",
"$(BOO)",
"if $(BOO)",
},
"interface": "$(FOO)",
"num": int64(2019),
}}).ResMap(),
},
expected: expected{
res: resmaptest_test.NewRmBuilderDefault(t).
Add(map[string]interface{}{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": map[string]interface{}{
"name": "cm1",
},
"data": map[string]interface{}{
"map": map[string]interface{}{
"item1": "replacementForFoo",
"item2": "bla",
"item3": int64(5),
"item4": "5+5",
"item5": true,
"item6": "if true",
"item7": int64(2019),
},
"slice": []interface{}{
"replacementForFoo",
"bla",
int64(5),
"5+5",
true,
"if true",
},
"interface": "replacementForFoo",
"num": int64(2019),
}}).ResMap(),
unused: []string{"BAR"},
},
},
"var replacement panic in map[string]": {
given: given{
varMap: map[string]interface{}{},
fs: []types.FieldSpec{
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/slice"},
},
res: resmaptest_test.NewRmBuilderDefault(t).
Add(map[string]interface{}{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": map[string]interface{}{
"name": "cm1",
},
"data": map[string]interface{}{
"slice": []interface{}{5}, // noticeably *not* a []string
}}).ResMap(),
},
errMessage: `considering field 'data/slice' of object ConfigMap.v1.[noGrp]/cm1.[noNs]: invalid value type expect a string`,
},
"var replacement in nil": {
given: given{
varMap: map[string]interface{}{},
fs: []types.FieldSpec{
{Gvk: resid.Gvk{Version: "v1", Kind: "ConfigMap"}, Path: "data/nil"},
},
res: resmaptest_test.NewRmBuilderDefault(t).
Add(map[string]interface{}{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": map[string]interface{}{
"name": "cm1",
},
"data": map[string]interface{}{
"nil": nil, // noticeably *not* a []string
}}).ResMap(),
},
expected: expected{
res: resmaptest_test.NewRmBuilderDefault(t).
Add(map[string]interface{}{
"apiVersion": "v1",
"kind": "ConfigMap",
"metadata": map[string]interface{}{
"name": "cm1",
},
"data": map[string]interface{}{
"nil": nil, // noticeably *not* a []string
}}).ResMap(),
},
},
}
for tn, tc := range testCases {
t.Run(tn, func(t *testing.T) {
tr := newRefVarTransformer(tc.given.varMap, tc.given.fs)
err := tr.Transform(tc.given.res)
if tc.errMessage != "" {
if err == nil {
t.Fatalf("missing expected error %v", tc.errMessage)
} else if err.Error() != tc.errMessage {
t.Fatalf(`actual error doesn't match expected error:
ACTUAL: %v
EXPECTED: %v`,
err.Error(), tc.errMessage)
}
} else {
if err != nil {
t.Errorf("unexpected error: %v", err)
}
a, e := tc.given.res, tc.expected.res
if !reflect.DeepEqual(a, e) {
err = e.ErrorIfNotEqualLists(a)
t.Fatalf(`actual doesn't match expected:
ACTUAL:
%v
EXPECTED:
%v
ERR: %v`,
a, e, err)
}
}
})
}
}
|
