github.com/ali-iotechsys/cli@v20.10.0+incompatible/cli/connhelper/commandconn/commandconn_unix_test.go (about)

     1  // +build !windows
     2  
     3  package commandconn
     4  
     5  import (
     6  	"context"
     7  	"io"
     8  	"testing"
     9  
    10  	"gotest.tools/v3/assert"
    11  	is "gotest.tools/v3/assert/cmp"
    12  )
    13  
    14  // For https://github.com/docker/cli/pull/1014#issuecomment-409308139
    15  func TestEOFWithError(t *testing.T) {
    16  	ctx := context.TODO()
    17  	cmd := "sh"
    18  	args := []string{"-c", "echo hello; echo some error >&2; exit 42"}
    19  	c, err := New(ctx, cmd, args...)
    20  	assert.NilError(t, err)
    21  	b := make([]byte, 32)
    22  	n, err := c.Read(b)
    23  	assert.Check(t, is.Equal(len("hello\n"), n))
    24  	assert.NilError(t, err)
    25  	n, err = c.Read(b)
    26  	assert.Check(t, is.Equal(0, n))
    27  	assert.ErrorContains(t, err, "some error")
    28  	assert.ErrorContains(t, err, "42")
    29  }
    30  
    31  func TestEOFWithoutError(t *testing.T) {
    32  	ctx := context.TODO()
    33  	cmd := "sh"
    34  	args := []string{"-c", "echo hello; echo some debug log >&2; exit 0"}
    35  	c, err := New(ctx, cmd, args...)
    36  	assert.NilError(t, err)
    37  	b := make([]byte, 32)
    38  	n, err := c.Read(b)
    39  	assert.Check(t, is.Equal(len("hello\n"), n))
    40  	assert.NilError(t, err)
    41  	n, err = c.Read(b)
    42  	assert.Check(t, is.Equal(0, n))
    43  	assert.Check(t, is.Equal(io.EOF, err))
    44  }