flag_field_test.go

// Copyright (c) 2009-present, Alibaba Cloud All rights reserved.
//
// 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 cli

import (
	"testing"

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

func resetField() *Field {
	return &Field{
		Key:    "first",
		values: make([]string, 0),
	}
}
func TestField(t *testing.T) {
	//assign
	field := resetField()
	field.assign("hello")
	assert.True(t, field.assigned)
	assert.Equal(t, "hello", field.value)
	assert.Len(t, field.values, 1)
	assert.Equal(t, "hello", field.values[0])

	//GetValue
	value, ok := field.getValue()
	assert.True(t, ok)
	assert.Equal(t, "hello", value)
	field.assigned = false
	value, ok = field.getValue()
	assert.False(t, ok)
	assert.Empty(t, value)
	field.DefaultValue = "default"
	value, ok = field.getValue()
	assert.False(t, ok)
	assert.Equal(t, "default", value)

	//check
	assert.Nil(t, field.check())
	field.assigned = false
	field.Required = true
	assert.EqualError(t, field.check(), "first= required")
	field.Key = ""
	assert.EqualError(t, field.check(), "value required")

	field.Required = false
	field.values = []string{"first", "second"}
	assert.EqualError(t, field.check(), "value duplicated")
	field.Key = "first"
	assert.EqualError(t, field.check(), "first= duplicated")

	field.SetAssigned(true)
	assert.True(t, field.assigned)

	field.SetValue("test")
	assert.Equal(t, "test", field.value)
}