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701 lines
19 KiB
701 lines
19 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package chartutil
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import (
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"encoding/json"
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"helm.sh/helm/v3/pkg/chart"
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)
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// ref: http://www.yaml.org/spec/1.2/spec.html#id2803362
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var testCoalesceValuesYaml = []byte(`
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top: yup
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bottom: null
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right: Null
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left: NULL
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front: ~
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back: ""
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nested:
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boat: null
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global:
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name: Ishmael
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subject: Queequeg
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nested:
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boat: true
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pequod:
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global:
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name: Stinky
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harpooner: Tashtego
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nested:
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boat: false
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sail: true
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ahab:
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scope: whale
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boat: null
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nested:
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foo: true
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bar: null
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`)
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func withDeps(c *chart.Chart, deps ...*chart.Chart) *chart.Chart {
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c.AddDependency(deps...)
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return c
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}
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func TestCoalesceValues(t *testing.T) {
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is := assert.New(t)
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c := withDeps(&chart.Chart{
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Metadata: &chart.Metadata{Name: "moby"},
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Values: map[string]interface{}{
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"back": "exists",
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"bottom": "exists",
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"front": "exists",
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"left": "exists",
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"name": "moby",
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"nested": map[string]interface{}{"boat": true},
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"override": "bad",
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"right": "exists",
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"scope": "moby",
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"top": "nope",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l0": "moby"},
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},
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},
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},
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withDeps(&chart.Chart{
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Metadata: &chart.Metadata{Name: "pequod"},
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Values: map[string]interface{}{
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"name": "pequod",
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"scope": "pequod",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l1": "pequod"},
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},
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},
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},
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&chart.Chart{
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Metadata: &chart.Metadata{Name: "ahab"},
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Values: map[string]interface{}{
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"global": map[string]interface{}{
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"nested": map[string]interface{}{"foo": "bar"},
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"nested2": map[string]interface{}{"l2": "ahab"},
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},
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"scope": "ahab",
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"name": "ahab",
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"boat": true,
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"nested": map[string]interface{}{"foo": false, "bar": true},
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},
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},
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),
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&chart.Chart{
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Metadata: &chart.Metadata{Name: "spouter"},
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Values: map[string]interface{}{
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"scope": "spouter",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l1": "spouter"},
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},
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},
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},
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)
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vals, err := ReadValues(testCoalesceValuesYaml)
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if err != nil {
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t.Fatal(err)
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}
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// taking a copy of the values before passing it
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// to CoalesceValues as argument, so that we can
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// use it for asserting later
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valsCopy := make(Values, len(vals))
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for key, value := range vals {
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valsCopy[key] = value
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}
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v, err := CoalesceValues(c, vals)
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if err != nil {
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t.Fatal(err)
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}
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j, _ := json.MarshalIndent(v, "", " ")
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t.Logf("Coalesced Values: %s", string(j))
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tests := []struct {
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tpl string
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expect string
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}{
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{"{{.top}}", "yup"},
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{"{{.back}}", ""},
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{"{{.name}}", "moby"},
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{"{{.global.name}}", "Ishmael"},
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{"{{.global.subject}}", "Queequeg"},
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{"{{.global.harpooner}}", "<no value>"},
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{"{{.pequod.name}}", "pequod"},
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{"{{.pequod.ahab.name}}", "ahab"},
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{"{{.pequod.ahab.scope}}", "whale"},
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{"{{.pequod.ahab.nested.foo}}", "true"},
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{"{{.pequod.ahab.global.name}}", "Ishmael"},
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{"{{.pequod.ahab.global.nested.foo}}", "bar"},
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{"{{.pequod.ahab.global.subject}}", "Queequeg"},
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{"{{.pequod.ahab.global.harpooner}}", "Tashtego"},
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{"{{.pequod.global.name}}", "Ishmael"},
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{"{{.pequod.global.nested.foo}}", "<no value>"},
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{"{{.pequod.global.subject}}", "Queequeg"},
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{"{{.spouter.global.name}}", "Ishmael"},
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{"{{.spouter.global.harpooner}}", "<no value>"},
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{"{{.global.nested.boat}}", "true"},
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{"{{.pequod.global.nested.boat}}", "true"},
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{"{{.spouter.global.nested.boat}}", "true"},
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{"{{.pequod.global.nested.sail}}", "true"},
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{"{{.spouter.global.nested.sail}}", "<no value>"},
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{"{{.global.nested2.l0}}", "moby"},
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{"{{.global.nested2.l1}}", "<no value>"},
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{"{{.global.nested2.l2}}", "<no value>"},
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{"{{.pequod.global.nested2.l0}}", "moby"},
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{"{{.pequod.global.nested2.l1}}", "pequod"},
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{"{{.pequod.global.nested2.l2}}", "<no value>"},
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{"{{.pequod.ahab.global.nested2.l0}}", "moby"},
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{"{{.pequod.ahab.global.nested2.l1}}", "pequod"},
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{"{{.pequod.ahab.global.nested2.l2}}", "ahab"},
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{"{{.spouter.global.nested2.l0}}", "moby"},
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{"{{.spouter.global.nested2.l1}}", "spouter"},
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{"{{.spouter.global.nested2.l2}}", "<no value>"},
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}
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for _, tt := range tests {
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if o, err := ttpl(tt.tpl, v); err != nil || o != tt.expect {
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t.Errorf("Expected %q to expand to %q, got %q", tt.tpl, tt.expect, o)
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}
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}
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nullKeys := []string{"bottom", "right", "left", "front"}
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for _, nullKey := range nullKeys {
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if _, ok := v[nullKey]; ok {
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t.Errorf("Expected key %q to be removed, still present", nullKey)
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}
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}
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if _, ok := v["nested"].(map[string]interface{})["boat"]; ok {
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t.Error("Expected nested boat key to be removed, still present")
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}
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subchart := v["pequod"].(map[string]interface{})["ahab"].(map[string]interface{})
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if _, ok := subchart["boat"]; ok {
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t.Error("Expected subchart boat key to be removed, still present")
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}
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if _, ok := subchart["nested"].(map[string]interface{})["bar"]; ok {
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t.Error("Expected subchart nested bar key to be removed, still present")
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}
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// CoalesceValues should not mutate the passed arguments
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is.Equal(valsCopy, vals)
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}
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func TestMergeValues(t *testing.T) {
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is := assert.New(t)
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c := withDeps(&chart.Chart{
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Metadata: &chart.Metadata{Name: "moby"},
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Values: map[string]interface{}{
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"back": "exists",
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"bottom": "exists",
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"front": "exists",
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"left": "exists",
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"name": "moby",
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"nested": map[string]interface{}{"boat": true},
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"override": "bad",
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"right": "exists",
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"scope": "moby",
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"top": "nope",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l0": "moby"},
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},
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},
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},
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withDeps(&chart.Chart{
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Metadata: &chart.Metadata{Name: "pequod"},
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Values: map[string]interface{}{
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"name": "pequod",
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"scope": "pequod",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l1": "pequod"},
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},
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},
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},
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&chart.Chart{
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Metadata: &chart.Metadata{Name: "ahab"},
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Values: map[string]interface{}{
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"global": map[string]interface{}{
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"nested": map[string]interface{}{"foo": "bar"},
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"nested2": map[string]interface{}{"l2": "ahab"},
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},
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"scope": "ahab",
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"name": "ahab",
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"boat": true,
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"nested": map[string]interface{}{"foo": false, "bar": true},
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},
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},
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),
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&chart.Chart{
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Metadata: &chart.Metadata{Name: "spouter"},
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Values: map[string]interface{}{
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"scope": "spouter",
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"global": map[string]interface{}{
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"nested2": map[string]interface{}{"l1": "spouter"},
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},
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},
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},
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)
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vals, err := ReadValues(testCoalesceValuesYaml)
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if err != nil {
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t.Fatal(err)
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}
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// taking a copy of the values before passing it
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// to MergeValues as argument, so that we can
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// use it for asserting later
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valsCopy := make(Values, len(vals))
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for key, value := range vals {
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valsCopy[key] = value
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}
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v, err := MergeValues(c, vals)
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if err != nil {
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t.Fatal(err)
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}
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j, _ := json.MarshalIndent(v, "", " ")
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t.Logf("Coalesced Values: %s", string(j))
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tests := []struct {
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tpl string
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expect string
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}{
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{"{{.top}}", "yup"},
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{"{{.back}}", ""},
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{"{{.name}}", "moby"},
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{"{{.global.name}}", "Ishmael"},
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{"{{.global.subject}}", "Queequeg"},
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{"{{.global.harpooner}}", "<no value>"},
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{"{{.pequod.name}}", "pequod"},
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{"{{.pequod.ahab.name}}", "ahab"},
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{"{{.pequod.ahab.scope}}", "whale"},
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{"{{.pequod.ahab.nested.foo}}", "true"},
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{"{{.pequod.ahab.global.name}}", "Ishmael"},
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{"{{.pequod.ahab.global.nested.foo}}", "bar"},
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{"{{.pequod.ahab.global.subject}}", "Queequeg"},
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{"{{.pequod.ahab.global.harpooner}}", "Tashtego"},
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{"{{.pequod.global.name}}", "Ishmael"},
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{"{{.pequod.global.nested.foo}}", "<no value>"},
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{"{{.pequod.global.subject}}", "Queequeg"},
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{"{{.spouter.global.name}}", "Ishmael"},
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{"{{.spouter.global.harpooner}}", "<no value>"},
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{"{{.global.nested.boat}}", "true"},
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{"{{.pequod.global.nested.boat}}", "true"},
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{"{{.spouter.global.nested.boat}}", "true"},
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{"{{.pequod.global.nested.sail}}", "true"},
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{"{{.spouter.global.nested.sail}}", "<no value>"},
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{"{{.global.nested2.l0}}", "moby"},
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{"{{.global.nested2.l1}}", "<no value>"},
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{"{{.global.nested2.l2}}", "<no value>"},
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{"{{.pequod.global.nested2.l0}}", "moby"},
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{"{{.pequod.global.nested2.l1}}", "pequod"},
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{"{{.pequod.global.nested2.l2}}", "<no value>"},
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{"{{.pequod.ahab.global.nested2.l0}}", "moby"},
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{"{{.pequod.ahab.global.nested2.l1}}", "pequod"},
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{"{{.pequod.ahab.global.nested2.l2}}", "ahab"},
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{"{{.spouter.global.nested2.l0}}", "moby"},
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{"{{.spouter.global.nested2.l1}}", "spouter"},
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{"{{.spouter.global.nested2.l2}}", "<no value>"},
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}
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for _, tt := range tests {
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if o, err := ttpl(tt.tpl, v); err != nil || o != tt.expect {
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t.Errorf("Expected %q to expand to %q, got %q", tt.tpl, tt.expect, o)
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}
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}
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// nullKeys is different from coalescing. Here the null/nil values are not
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// removed.
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nullKeys := []string{"bottom", "right", "left", "front"}
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for _, nullKey := range nullKeys {
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if vv, ok := v[nullKey]; !ok {
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t.Errorf("Expected key %q to be present but it was removed", nullKey)
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} else if vv != nil {
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t.Errorf("Expected key %q to be null but it has a value of %v", nullKey, vv)
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}
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}
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if _, ok := v["nested"].(map[string]interface{})["boat"]; !ok {
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t.Error("Expected nested boat key to be present but it was removed")
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}
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subchart := v["pequod"].(map[string]interface{})["ahab"].(map[string]interface{})
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if _, ok := subchart["boat"]; !ok {
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t.Error("Expected subchart boat key to be present but it was removed")
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}
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if _, ok := subchart["nested"].(map[string]interface{})["bar"]; !ok {
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t.Error("Expected subchart nested bar key to be present but it was removed")
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}
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// CoalesceValues should not mutate the passed arguments
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is.Equal(valsCopy, vals)
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}
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func TestCoalesceTables(t *testing.T) {
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dst := map[string]interface{}{
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"name": "Ishmael",
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"address": map[string]interface{}{
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"street": "123 Spouter Inn Ct.",
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"city": "Nantucket",
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"country": nil,
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},
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"details": map[string]interface{}{
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"friends": []string{"Tashtego"},
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},
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"boat": "pequod",
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"hole": nil,
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}
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src := map[string]interface{}{
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"occupation": "whaler",
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"address": map[string]interface{}{
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"state": "MA",
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"street": "234 Spouter Inn Ct.",
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"country": "US",
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},
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"details": "empty",
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"boat": map[string]interface{}{
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"mast": true,
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},
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"hole": "black",
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}
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// What we expect is that anything in dst overrides anything in src, but that
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// otherwise the values are coalesced.
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CoalesceTables(dst, src)
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if dst["name"] != "Ishmael" {
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t.Errorf("Unexpected name: %s", dst["name"])
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}
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if dst["occupation"] != "whaler" {
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t.Errorf("Unexpected occupation: %s", dst["occupation"])
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}
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addr, ok := dst["address"].(map[string]interface{})
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if !ok {
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t.Fatal("Address went away.")
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}
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if addr["street"].(string) != "123 Spouter Inn Ct." {
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t.Errorf("Unexpected address: %v", addr["street"])
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}
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if addr["city"].(string) != "Nantucket" {
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t.Errorf("Unexpected city: %v", addr["city"])
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}
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if addr["state"].(string) != "MA" {
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t.Errorf("Unexpected state: %v", addr["state"])
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}
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if _, ok = addr["country"]; ok {
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t.Error("The country is not left out.")
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}
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if det, ok := dst["details"].(map[string]interface{}); !ok {
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t.Fatalf("Details is the wrong type: %v", dst["details"])
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} else if _, ok := det["friends"]; !ok {
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t.Error("Could not find your friends. Maybe you don't have any. :-(")
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}
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if dst["boat"].(string) != "pequod" {
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t.Errorf("Expected boat string, got %v", dst["boat"])
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}
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if _, ok = dst["hole"]; ok {
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t.Error("The hole still exists.")
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}
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dst2 := map[string]interface{}{
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"name": "Ishmael",
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"address": map[string]interface{}{
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"street": "123 Spouter Inn Ct.",
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"city": "Nantucket",
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"country": "US",
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},
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"details": map[string]interface{}{
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"friends": []string{"Tashtego"},
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},
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"boat": "pequod",
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"hole": "black",
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}
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// What we expect is that anything in dst should have all values set,
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// this happens when the --reuse-values flag is set but the chart has no modifications yet
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CoalesceTables(dst2, nil)
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if dst2["name"] != "Ishmael" {
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t.Errorf("Unexpected name: %s", dst2["name"])
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}
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addr2, ok := dst2["address"].(map[string]interface{})
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if !ok {
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t.Fatal("Address went away.")
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}
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if addr2["street"].(string) != "123 Spouter Inn Ct." {
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t.Errorf("Unexpected address: %v", addr2["street"])
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}
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if addr2["city"].(string) != "Nantucket" {
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t.Errorf("Unexpected city: %v", addr2["city"])
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}
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if addr2["country"].(string) != "US" {
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t.Errorf("Unexpected Country: %v", addr2["country"])
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}
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if det2, ok := dst2["details"].(map[string]interface{}); !ok {
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t.Fatalf("Details is the wrong type: %v", dst2["details"])
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} else if _, ok := det2["friends"]; !ok {
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t.Error("Could not find your friends. Maybe you don't have any. :-(")
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}
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if dst2["boat"].(string) != "pequod" {
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t.Errorf("Expected boat string, got %v", dst2["boat"])
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}
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if dst2["hole"].(string) != "black" {
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t.Errorf("Expected hole string, got %v", dst2["boat"])
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}
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}
|
|
|
|
func TestMergeTables(t *testing.T) {
|
|
dst := map[string]interface{}{
|
|
"name": "Ishmael",
|
|
"address": map[string]interface{}{
|
|
"street": "123 Spouter Inn Ct.",
|
|
"city": "Nantucket",
|
|
"country": nil,
|
|
},
|
|
"details": map[string]interface{}{
|
|
"friends": []string{"Tashtego"},
|
|
},
|
|
"boat": "pequod",
|
|
"hole": nil,
|
|
}
|
|
src := map[string]interface{}{
|
|
"occupation": "whaler",
|
|
"address": map[string]interface{}{
|
|
"state": "MA",
|
|
"street": "234 Spouter Inn Ct.",
|
|
"country": "US",
|
|
},
|
|
"details": "empty",
|
|
"boat": map[string]interface{}{
|
|
"mast": true,
|
|
},
|
|
"hole": "black",
|
|
}
|
|
|
|
// What we expect is that anything in dst overrides anything in src, but that
|
|
// otherwise the values are coalesced.
|
|
MergeTables(dst, src)
|
|
|
|
if dst["name"] != "Ishmael" {
|
|
t.Errorf("Unexpected name: %s", dst["name"])
|
|
}
|
|
if dst["occupation"] != "whaler" {
|
|
t.Errorf("Unexpected occupation: %s", dst["occupation"])
|
|
}
|
|
|
|
addr, ok := dst["address"].(map[string]interface{})
|
|
if !ok {
|
|
t.Fatal("Address went away.")
|
|
}
|
|
|
|
if addr["street"].(string) != "123 Spouter Inn Ct." {
|
|
t.Errorf("Unexpected address: %v", addr["street"])
|
|
}
|
|
|
|
if addr["city"].(string) != "Nantucket" {
|
|
t.Errorf("Unexpected city: %v", addr["city"])
|
|
}
|
|
|
|
if addr["state"].(string) != "MA" {
|
|
t.Errorf("Unexpected state: %v", addr["state"])
|
|
}
|
|
|
|
// This is one test that is different from CoalesceTables. Because country
|
|
// is a nil value and it's not removed it's still present.
|
|
if _, ok = addr["country"]; !ok {
|
|
t.Error("The country is left out.")
|
|
}
|
|
|
|
if det, ok := dst["details"].(map[string]interface{}); !ok {
|
|
t.Fatalf("Details is the wrong type: %v", dst["details"])
|
|
} else if _, ok := det["friends"]; !ok {
|
|
t.Error("Could not find your friends. Maybe you don't have any. :-(")
|
|
}
|
|
|
|
if dst["boat"].(string) != "pequod" {
|
|
t.Errorf("Expected boat string, got %v", dst["boat"])
|
|
}
|
|
|
|
// This is one test that is different from CoalesceTables. Because hole
|
|
// is a nil value and it's not removed it's still present.
|
|
if _, ok = dst["hole"]; !ok {
|
|
t.Error("The hole no longer exists.")
|
|
}
|
|
|
|
dst2 := map[string]interface{}{
|
|
"name": "Ishmael",
|
|
"address": map[string]interface{}{
|
|
"street": "123 Spouter Inn Ct.",
|
|
"city": "Nantucket",
|
|
"country": "US",
|
|
},
|
|
"details": map[string]interface{}{
|
|
"friends": []string{"Tashtego"},
|
|
},
|
|
"boat": "pequod",
|
|
"hole": "black",
|
|
"nilval": nil,
|
|
}
|
|
|
|
// What we expect is that anything in dst should have all values set,
|
|
// this happens when the --reuse-values flag is set but the chart has no modifications yet
|
|
MergeTables(dst2, nil)
|
|
|
|
if dst2["name"] != "Ishmael" {
|
|
t.Errorf("Unexpected name: %s", dst2["name"])
|
|
}
|
|
|
|
addr2, ok := dst2["address"].(map[string]interface{})
|
|
if !ok {
|
|
t.Fatal("Address went away.")
|
|
}
|
|
|
|
if addr2["street"].(string) != "123 Spouter Inn Ct." {
|
|
t.Errorf("Unexpected address: %v", addr2["street"])
|
|
}
|
|
|
|
if addr2["city"].(string) != "Nantucket" {
|
|
t.Errorf("Unexpected city: %v", addr2["city"])
|
|
}
|
|
|
|
if addr2["country"].(string) != "US" {
|
|
t.Errorf("Unexpected Country: %v", addr2["country"])
|
|
}
|
|
|
|
if det2, ok := dst2["details"].(map[string]interface{}); !ok {
|
|
t.Fatalf("Details is the wrong type: %v", dst2["details"])
|
|
} else if _, ok := det2["friends"]; !ok {
|
|
t.Error("Could not find your friends. Maybe you don't have any. :-(")
|
|
}
|
|
|
|
if dst2["boat"].(string) != "pequod" {
|
|
t.Errorf("Expected boat string, got %v", dst2["boat"])
|
|
}
|
|
|
|
if dst2["hole"].(string) != "black" {
|
|
t.Errorf("Expected hole string, got %v", dst2["boat"])
|
|
}
|
|
|
|
if dst2["nilval"] != nil {
|
|
t.Error("Expected nilvalue to have nil value but it does not")
|
|
}
|
|
}
|
|
|
|
func TestCoalesceValuesWarnings(t *testing.T) {
|
|
|
|
c := withDeps(&chart.Chart{
|
|
Metadata: &chart.Metadata{Name: "level1"},
|
|
Values: map[string]interface{}{
|
|
"name": "moby",
|
|
},
|
|
},
|
|
withDeps(&chart.Chart{
|
|
Metadata: &chart.Metadata{Name: "level2"},
|
|
Values: map[string]interface{}{
|
|
"name": "pequod",
|
|
},
|
|
},
|
|
&chart.Chart{
|
|
Metadata: &chart.Metadata{Name: "level3"},
|
|
Values: map[string]interface{}{
|
|
"name": "ahab",
|
|
"boat": true,
|
|
"spear": map[string]interface{}{
|
|
"tip": true,
|
|
"sail": map[string]interface{}{
|
|
"cotton": true,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
),
|
|
)
|
|
|
|
vals := map[string]interface{}{
|
|
"level2": map[string]interface{}{
|
|
"level3": map[string]interface{}{
|
|
"boat": map[string]interface{}{"mast": true},
|
|
"spear": map[string]interface{}{
|
|
"tip": map[string]interface{}{
|
|
"sharp": true,
|
|
},
|
|
"sail": true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
warnings := make([]string, 0)
|
|
printf := func(format string, v ...interface{}) {
|
|
t.Logf(format, v...)
|
|
warnings = append(warnings, fmt.Sprintf(format, v...))
|
|
}
|
|
|
|
_, err := coalesce(printf, c, vals, "", false)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Logf("vals: %v", vals)
|
|
assert.Contains(t, warnings, "warning: skipped value for level1.level2.level3.boat: Not a table.")
|
|
assert.Contains(t, warnings, "warning: destination for level1.level2.level3.spear.tip is a table. Ignoring non-table value (true)")
|
|
assert.Contains(t, warnings, "warning: cannot overwrite table with non table for level1.level2.level3.spear.sail (map[cotton:true])")
|
|
|
|
}
|
|
|
|
func TestConcatPrefix(t *testing.T) {
|
|
assert.Equal(t, "b", concatPrefix("", "b"))
|
|
assert.Equal(t, "a.b", concatPrefix("a", "b"))
|
|
}
|