Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubectl/env_file_test.go

@@ -0,0 +1,103 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package kubectl
+
+import (
+	"os"
+	"strings"
+	"testing"
+)
+
+// Test the cases of proccessEnvFileLine that can be run without touching the
+// environment.
+func Test_processEnvFileLine(t *testing.T) {
+	testCases := []struct {
+		name          string
+		line          []byte
+		currentLine   int
+		expectedKey   string
+		expectedValue string
+		expectedErr   string
+	}{
+		{"the utf8bom is trimmed on the first line",
+			append(utf8bom, 'a', '=', 'c'), 0, "a", "c", ""},
+
+		{"the utf8bom is NOT trimmed on the second line",
+			append(utf8bom, 'a', '=', 'c'), 1, "", "", "not a valid key name"},
+
+		{"no key is returned on a comment line",
+			[]byte{' ', '#', 'c'}, 0, "", "", ""},
+
+		{"no key is returned on a blank line",
+			[]byte{' ', ' ', '\t'}, 0, "", "", ""},
+
+		{"key is returned even with no value",
+			[]byte{' ', 'x', '='}, 0, "x", "", ""},
+	}
+	for _, c := range testCases {
+		key, value, err := proccessEnvFileLine(c.line, `filename`, c.currentLine)
+		t.Logf("Testing that %s.", c.name)
+		if c.expectedKey != key {
+			t.Errorf("\texpected key %q, received %q", c.expectedKey, key)
+		}
+		if c.expectedValue != value {
+			t.Errorf("\texpected value %q, received %q", c.expectedValue, value)
+		}
+		if len(c.expectedErr) == 0 {
+			if err != nil {
+				t.Errorf("\tunexpected err %v", err)
+			}
+		} else {
+			if !strings.Contains(err.Error(), c.expectedErr) {
+				t.Errorf("\terr %v doesn't match expected %q", err, c.expectedErr)
+			}
+		}
+	}
+}
+
+// proccessEnvFileLine needs to fetch the value from the environment if no
+// equals sign is provided.
+// For example:
+//
+//	my_key1=alpha
+//	my_key2=beta
+//	my_key3
+//
+// In this file, my_key3 must be fetched from the environment.
+// Test this capability.
+func Test_processEnvFileLine_readEnvironment(t *testing.T) {
+	const realKey = "k8s_test_env_file_key"
+	const realValue = `my_value`
+
+	// Just in case, these two lines ensure the environment is restored to
+	// its original state.
+	original := os.Getenv(realKey)
+	defer func() { os.Setenv(realKey, original) }()
+
+	os.Setenv(realKey, `my_value`)
+
+	key, value, err := proccessEnvFileLine([]byte(realKey), `filename`, 3)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if key != realKey {
+		t.Errorf(`expected key %q, received %q`, realKey, key)
+	}
+	if value != realValue {
+		t.Errorf(`expected value %q, received %q`, realValue, value)
+	}
+}