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// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 cli

import (
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestReadPassword(t *testing.T) {
	os.Setenv("FOO", "random")

	tests := []struct {
		name     string
		input    string
		password string
		error    bool
	}{
		{
			name:     "Test env variable",
			input:    "env:FOO",
			password: "random",
		},
		{
			name:  "Test unknown method",
			input: "foo:bar",
			error: true,
		},
		{
			name:  "Test empty input",
			input: "",
			error: true,
		},
		{
			name:  "Test env variable that does not exist",
			input: "env:DO_NOT_EXIST",
			error: true,
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			password, err := ReadPassword(test.input)
			assert.Equal(t, test.password, password)

			if test.error {
				assert.Error(t, err)
			} else {
				assert.NoError(t, err)
			}
		})
	}
}
