github.com/cilium/cilium@v1.16.2/pkg/datapath/loader/template_test.go (about)

     1  // SPDX-License-Identifier: Apache-2.0
     2  // Copyright Authors of Cilium
     3  
     4  package loader
     5  
     6  import (
     7  	"bytes"
     8  	"testing"
     9  
    10  	"github.com/stretchr/testify/require"
    11  
    12  	"github.com/cilium/cilium/pkg/testutils"
    13  )
    14  
    15  func TestWrap(t *testing.T) {
    16  	var (
    17  		realEPBuffer   bytes.Buffer
    18  		templateBuffer bytes.Buffer
    19  	)
    20  
    21  	realEP := testutils.NewTestEndpoint()
    22  	template := wrap(&realEP)
    23  	cfg := configWriterForTest(t)
    24  
    25  	// Write the configuration that should be the same, and verify it is.
    26  	err := cfg.WriteTemplateConfig(&realEPBuffer, &localNodeConfig, &realEP)
    27  	require.NoError(t, err)
    28  	err = cfg.WriteTemplateConfig(&templateBuffer, &localNodeConfig, template)
    29  	require.NoError(t, err)
    30  	require.Equal(t, realEPBuffer.String(), templateBuffer.String())
    31  
    32  	// Write with the static data, and verify that the buffers differ.
    33  	// Note this isn't an overly strong test because it only takes one
    34  	// character to change for this test to pass, but we would ideally
    35  	// define every bit of static data differently in the templates.
    36  	realEPBuffer.Reset()
    37  	templateBuffer.Reset()
    38  	err = cfg.WriteEndpointConfig(&realEPBuffer, &localNodeConfig, &realEP)
    39  	require.NoError(t, err)
    40  	err = cfg.WriteEndpointConfig(&templateBuffer, &localNodeConfig, template)
    41  	require.NoError(t, err)
    42  
    43  	require.NotEqual(t, realEPBuffer.String(), templateBuffer.String())
    44  }