github.com/viant/toolbox@v0.34.5/context_test.go (about)

     1  package toolbox_test
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/assert"
     7  	"github.com/viant/toolbox"
     8  )
     9  
    10  type IMessage interface {
    11  	Message() string
    12  }
    13  
    14  type Message struct {
    15  	message string
    16  }
    17  
    18  func (this Message) Message() string {
    19  	return this.message
    20  }
    21  
    22  func TestContext(t *testing.T) {
    23  	context := toolbox.NewContext()
    24  	message1 := Message{message: "abc"}
    25  
    26  	//operate on pointer test
    27  	assert.False(t, context.Contains((*Message)(nil)), "Should not have message in context")
    28  	err := context.Put((*Message)(nil), &message1)
    29  	assert.Nil(t, err)
    30  	assert.True(t, context.Contains((*Message)(nil)), "Should have meesage in context")
    31  	assert.True(t, context.Contains(&Message{}), "Should have meesage in context")
    32  
    33  	value, err := context.GetRequired((*Message)(nil))
    34  	assert.Nil(t, err)
    35  	m1 := value.(*Message)
    36  	assert.Equal(t, "abc", m1.message, "should have the same value field")
    37  
    38  	m10 := &Message{}
    39  	context.GetInto((*Message)(nil), &m10)
    40  	assert.Equal(t, "abc", m10.message, "should have the same value field")
    41  
    42  	m1.message = "xyz"
    43  	assert.Equal(t, "xyz", message1.message, "should have the same value field")
    44  	assert.Equal(t, "xyz", m10.message, "should have the same value field")
    45  
    46  	err = context.Put((*IMessage)(nil), &message1)
    47  	assert.Nil(t, err)
    48  	m2 := context.GetOptional((*IMessage)(nil)).(*IMessage)
    49  	assert.Equal(t, "xyz", (*m2).Message(), "should have the same value field")
    50  
    51  	//operate on struct passing by copy does not enable global changes
    52  	assert.False(t, context.Contains(Message{}), "Should not have message in context")
    53  	err = context.Put(Message{}, message1)
    54  	assert.Nil(t, err)
    55  	m3 := context.GetOptional(Message{}).(Message)
    56  	assert.Equal(t, "xyz", m3.message, "should have the same value field")
    57  	m3.message = "123"
    58  	assert.Equal(t, "123", m3.message, "should have the same value field")
    59  	assert.Equal(t, "xyz", m1.message, "should have the same value field")
    60  
    61  	err = context.Put(Message{}, message1)
    62  	assert.NotNil(t, err, "Key is already in context")
    63  
    64  	err = context.Replace(1, "abc")
    65  	assert.NotNil(t, err, "Incompatible type")
    66  
    67  	removed := context.Remove((*IMessage)(nil))
    68  	assert.NotNil(t, removed)
    69  
    70  	_, err = context.GetRequired("abc")
    71  	assert.NotNil(t, err)
    72  
    73  }