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@ -15,9 +15,13 @@
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package cmd
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import (
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"os"
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"reflect"
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"regexp"
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"strconv"
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"testing"
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"github.com/spf13/viper"
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)
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func TestCheckVersion(t *testing.T) {
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@ -78,10 +82,19 @@ func TestVersionMatch(t *testing.T) {
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}
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var g string
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var e []error
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var eIndex int
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func fakeps(proc string) string {
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return g
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}
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func fakestat(file string) (os.FileInfo, error) {
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err := e[eIndex]
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eIndex++
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return nil, err
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}
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func TestVerifyBin(t *testing.T) {
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cases := []struct {
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proc string
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@ -95,12 +108,18 @@ func TestVerifyBin(t *testing.T) {
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{proc: "cmd", psOut: "cmd param1 param2", exp: true},
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{proc: "cmd param", psOut: "cmd param1 param2", exp: true},
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{proc: "cmd param", psOut: "cmd", exp: false},
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{proc: "cmd", psOut: "cmd x \ncmd y", exp: true},
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{proc: "cmd y", psOut: "cmd x \ncmd y", exp: true},
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{proc: "cmd", psOut: "/usr/bin/cmd", exp: true},
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{proc: "cmd", psOut: "kube-cmd", exp: false},
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{proc: "cmd", psOut: "/usr/bin/kube-cmd", exp: false},
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}
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psFunc = fakeps
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for id, c := range cases {
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t.Run(strconv.Itoa(id), func(t *testing.T) {
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g = c.psOut
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v := verifyBin(c.proc, fakeps)
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v := verifyBin(c.proc)
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if v != c.exp {
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t.Fatalf("Expected %v got %v", c.exp, v)
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}
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@ -108,6 +127,96 @@ func TestVerifyBin(t *testing.T) {
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}
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}
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func TestFindExecutable(t *testing.T) {
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cases := []struct {
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candidates []string // list of executables we'd consider
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psOut string // fake output from ps
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exp string // the one we expect to find in the (fake) ps output
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expErr bool
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}{
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{candidates: []string{"one", "two", "three"}, psOut: "two", exp: "two"},
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{candidates: []string{"one", "two", "three"}, psOut: "two three", exp: "two"},
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{candidates: []string{"one double", "two double", "three double"}, psOut: "two double is running", exp: "two double"},
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{candidates: []string{"one", "two", "three"}, psOut: "blah", expErr: true},
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{candidates: []string{"one double", "two double", "three double"}, psOut: "two", expErr: true},
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{candidates: []string{"apiserver", "kube-apiserver"}, psOut: "kube-apiserver", exp: "kube-apiserver"},
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{candidates: []string{"apiserver", "kube-apiserver", "hyperkube-apiserver"}, psOut: "kube-apiserver", exp: "kube-apiserver"},
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}
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psFunc = fakeps
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for id, c := range cases {
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t.Run(strconv.Itoa(id), func(t *testing.T) {
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g = c.psOut
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e, err := findExecutable(c.candidates)
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if e != c.exp {
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t.Fatalf("Expected %v got %v", c.exp, e)
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}
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if err == nil && c.expErr {
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t.Fatalf("Expected error")
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}
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if err != nil && !c.expErr {
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t.Fatalf("Didn't expect error: %v", err)
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}
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})
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}
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}
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func TestGetBinaries(t *testing.T) {
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cases := []struct {
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config map[string]interface{}
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psOut string
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exp map[string]string
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}{
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{
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config: map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}},
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psOut: "kube-apiserver",
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exp: map[string]string{"apiserver": "kube-apiserver"},
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},
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{
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// "thing" is not in the list of components
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config: map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
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psOut: "kube-apiserver thing",
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exp: map[string]string{"apiserver": "kube-apiserver"},
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},
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{
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// "anotherthing" in list of components but doesn't have a defintion
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config: map[string]interface{}{"components": []string{"apiserver", "anotherthing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
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psOut: "kube-apiserver thing",
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exp: map[string]string{"apiserver": "kube-apiserver"},
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},
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{
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// more than one component
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config: map[string]interface{}{"components": []string{"apiserver", "thing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}}},
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psOut: "kube-apiserver \nthing",
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exp: map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
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},
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{
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// default binary to component name
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config: map[string]interface{}{"components": []string{"apiserver", "thing"}, "apiserver": map[string]interface{}{"bins": []string{"apiserver", "kube-apiserver"}}, "thing": map[string]interface{}{"bins": []string{"something else", "thing"}, "optional": true}},
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psOut: "kube-apiserver \notherthing some params",
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exp: map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
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},
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}
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v := viper.New()
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psFunc = fakeps
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for id, c := range cases {
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t.Run(strconv.Itoa(id), func(t *testing.T) {
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g = c.psOut
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for k, val := range c.config {
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v.Set(k, val)
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}
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m := getBinaries(v)
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if !reflect.DeepEqual(m, c.exp) {
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t.Fatalf("Got %v\nExpected %v", m, c.exp)
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}
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})
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}
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}
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func TestMultiWordReplace(t *testing.T) {
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cases := []struct {
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input string
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@ -129,3 +238,115 @@ func TestMultiWordReplace(t *testing.T) {
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})
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}
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}
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func TestFindConfigFile(t *testing.T) {
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cases := []struct {
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input []string
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statResults []error
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exp string
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}{
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{input: []string{"myfile"}, statResults: []error{nil}, exp: "myfile"},
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{input: []string{"thisfile", "thatfile"}, statResults: []error{os.ErrNotExist, nil}, exp: "thatfile"},
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{input: []string{"thisfile", "thatfile"}, statResults: []error{os.ErrNotExist, os.ErrNotExist}, exp: ""},
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}
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statFunc = fakestat
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for id, c := range cases {
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t.Run(strconv.Itoa(id), func(t *testing.T) {
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e = c.statResults
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eIndex = 0
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conf := findConfigFile(c.input)
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if conf != c.exp {
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t.Fatalf("Got %s expected %s", conf, c.exp)
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}
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})
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}
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}
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func TestGetConfigFiles(t *testing.T) {
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cases := []struct {
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config map[string]interface{}
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exp map[string]string
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statResults []error
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}{
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{
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config: map[string]interface{}{"components": []string{"apiserver"}, "apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}}},
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statResults: []error{os.ErrNotExist, nil},
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exp: map[string]string{"apiserver": "kube-apiserver"},
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},
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{
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// Component "thing" isn't included in the list of components
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config: map[string]interface{}{
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"components": []string{"apiserver"},
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"apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
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"thing": map[string]interface{}{"confs": []string{"/my/file/thing"}}},
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statResults: []error{os.ErrNotExist, nil},
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exp: map[string]string{"apiserver": "kube-apiserver"},
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},
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{
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// More than one component
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config: map[string]interface{}{
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"components": []string{"apiserver", "thing"},
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"apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
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"thing": map[string]interface{}{"confs": []string{"/my/file/thing"}}},
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statResults: []error{os.ErrNotExist, nil, nil},
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exp: map[string]string{"apiserver": "kube-apiserver", "thing": "/my/file/thing"},
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},
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{
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// Default thing to specified default config
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config: map[string]interface{}{
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"components": []string{"apiserver", "thing"},
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"apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
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"thing": map[string]interface{}{"confs": []string{"/my/file/thing"}, "defaultconf": "another/thing"}},
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statResults: []error{os.ErrNotExist, nil, os.ErrNotExist},
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exp: map[string]string{"apiserver": "kube-apiserver", "thing": "another/thing"},
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},
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{
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// Default thing to component name
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config: map[string]interface{}{
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"components": []string{"apiserver", "thing"},
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"apiserver": map[string]interface{}{"confs": []string{"apiserver", "kube-apiserver"}},
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"thing": map[string]interface{}{"confs": []string{"/my/file/thing"}}},
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statResults: []error{os.ErrNotExist, nil, os.ErrNotExist},
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exp: map[string]string{"apiserver": "kube-apiserver", "thing": "thing"},
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},
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}
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v := viper.New()
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statFunc = fakestat
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for id, c := range cases {
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t.Run(strconv.Itoa(id), func(t *testing.T) {
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for k, val := range c.config {
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v.Set(k, val)
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}
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e = c.statResults
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eIndex = 0
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m := getConfigFiles(v)
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if !reflect.DeepEqual(m, c.exp) {
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t.Fatalf("Got %v\nExpected %v", m, c.exp)
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}
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})
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}
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}
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func TestMakeSubsitutions(t *testing.T) {
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cases := []struct {
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input string
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subst map[string]string
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exp string
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}{
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{input: "Replace $thisbin", subst: map[string]string{"this": "that"}, exp: "Replace that"},
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{input: "Replace $thisbin", subst: map[string]string{"this": "that", "here": "there"}, exp: "Replace that"},
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{input: "Replace $thisbin and $herebin", subst: map[string]string{"this": "that", "here": "there"}, exp: "Replace that and there"},
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}
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for _, c := range cases {
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t.Run(c.input, func(t *testing.T) {
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s := makeSubstitutions(c.input, "bin", c.subst)
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if s != c.exp {
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t.Fatalf("Got %s expected %s", s, c.exp)
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}
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})
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}
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}
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Liz Rice
7 years ago
committed by