fix namespace suggestion error on context switch (#2315)

internal/view/app.go

@@ -151,11 +151,6 @@ func (a *App) initSignals() {
 }
 
 func (a *App) suggestCommand() model.SuggestionFunc {
-	namespaceNames, err := a.namespaceNames()
-	if err != nil {
-		log.Error().Err(err).Msg("failed to list namespaces")
-	}
-
 	contextNames, err := a.contextNames()
 	if err != nil {
 		log.Error().Err(err).Msg("failed to list contexts")
@@ -176,6 +171,11 @@ func (a *App) suggestCommand() model.SuggestionFunc {
 			}
 		}
 
+		namespaceNames, err := a.namespaceNames()
+		if err != nil {
+			log.Error().Err(err).Msg("failed to list namespaces")
+		}
+
 		entries = append(entries, suggestSubCommand(s, namespaceNames, contextNames)...)
 		if len(entries) == 0 {
 			return nil

internal/view/app_int_test.go

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright Authors of K9s
+
+package view
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_suggestSubCommand(t *testing.T) {
+	namespaceNames := []string{"kube-system", "kube-public", "default", "nginx-ingress"}
+	contextNames := []string{"develop", "test", "pre", "prod"}
+
+	tests := []struct {
+		Command     string
+		Suggestions []string
+	}{
+		{Command: "q", Suggestions: nil},
+		{Command: "xray  dp", Suggestions: nil},
+		{Command: "help  k", Suggestions: nil},
+		{Command: "ctx p", Suggestions: []string{"re", "rod"}},
+		{Command: "ctx   p", Suggestions: []string{"re", "rod"}},
+		{Command: "ctx pr", Suggestions: []string{"e", "od"}},
+		{Command: "context   d", Suggestions: []string{"evelop"}},
+		{Command: "contexts   t", Suggestions: []string{"est"}},
+		{Command: "po ", Suggestions: nil},
+		{Command: "po  x", Suggestions: nil},
+		{Command: "po k", Suggestions: []string{"ube-system", "ube-public"}},
+		{Command: "po  kube-", Suggestions: []string{"system", "public"}},
+	}
+
+	for _, tt := range tests {
+		got := suggestSubCommand(tt.Command, namespaceNames, contextNames)
+		assert.Equal(t, tt.Suggestions, got)
+	}
+}

internal/view/app_test.go

@@ -1,46 +1,19 @@
 // SPDX-License-Identifier: Apache-2.0
 // Copyright Authors of K9s
 
-package view
+package view_test
 
 import (
 	"testing"
 
 	"github.com/derailed/k9s/internal/config"
+	"github.com/derailed/k9s/internal/view"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestAppNew(t *testing.T) {
-	a := NewApp(config.NewConfig(ks{}))
+	a := view.NewApp(config.NewConfig(ks{}))
 	_ = a.Init("blee", 10)
 
 	assert.Equal(t, 11, len(a.GetActions()))
 }
-
-func Test_suggestSubCommand(t *testing.T) {
-	namespaceNames := []string{"kube-system", "kube-public", "default", "nginx-ingress"}
-	contextNames := []string{"develop", "test", "pre", "prod"}
-
-	tests := []struct {
-		Command     string
-		Suggestions []string
-	}{
-		{Command: "q", Suggestions: nil},
-		{Command: "xray  dp", Suggestions: nil},
-		{Command: "help  k", Suggestions: nil},
-		{Command: "ctx p", Suggestions: []string{"re", "rod"}},
-		{Command: "ctx   p", Suggestions: []string{"re", "rod"}},
-		{Command: "ctx pr", Suggestions: []string{"e", "od"}},
-		{Command: "context   d", Suggestions: []string{"evelop"}},
-		{Command: "contexts   t", Suggestions: []string{"est"}},
-		{Command: "po ", Suggestions: nil},
-		{Command: "po  x", Suggestions: nil},
-		{Command: "po k", Suggestions: []string{"ube-system", "ube-public"}},
-		{Command: "po  kube-", Suggestions: []string{"system", "public"}},
-	}
-
-	for _, tt := range tests {
-		got := suggestSubCommand(tt.Command, namespaceNames, contextNames)
-		assert.Equal(t, tt.Suggestions, got)
-	}
-}