github.com/keybase/client/go@v0.0.0-20240309051027-028f7c731f8b/kbnm/main_test.go (about)

     1  package main
     2  
     3  import (
     4  	"bytes"
     5  	"encoding/json"
     6  	"io"
     7  	"os/exec"
     8  	"strings"
     9  	"testing"
    10  )
    11  
    12  func TestProcess(t *testing.T) {
    13  	h := newHandler()
    14  
    15  	var ranCmd string
    16  	h.Run = func(cmd *exec.Cmd) error {
    17  		ranCmd = strings.Join(cmd.Args, " ")
    18  		_ = ranCmd
    19  		return nil
    20  	}
    21  	h.FindKeybaseBinary = func() (string, error) {
    22  		return "/mocked/test/path/keybase", nil
    23  	}
    24  
    25  	var inBuf, outBuf bytes.Buffer
    26  	in := json.NewDecoder(&inBuf)
    27  	out := json.NewEncoder(&outBuf)
    28  
    29  	// Check invalid JSON:
    30  	_, err := io.WriteString(&inBuf, "invalid json, hi\n")
    31  	if err != nil {
    32  		t.Fatalf("Error writing string: %+v", err)
    33  	}
    34  	err = process(h, in, out)
    35  	if _, ok := err.(*json.SyntaxError); !ok {
    36  		t.Errorf("incorrect error on invalid JSON: %T", err)
    37  	}
    38  	// Reset the decoder
    39  	inBuf.Reset()
    40  	in = json.NewDecoder(&inBuf)
    41  
    42  	testCases := []struct {
    43  		In        string
    44  		ExpectOut string
    45  	}{
    46  		{
    47  			`{"method": "foo"}` + "\n",
    48  			`{"client":0,"status":"error","message":"invalid method"}` + "\n",
    49  		},
    50  		{
    51  			`{"method": "chat", "to": "shazow", "body": "Hello, world."}` + "\n",
    52  			`{"client":0,"status":"ok","message":""}` + "\n",
    53  		},
    54  	}
    55  
    56  	for i, test := range testCases {
    57  		outBuf.Reset()
    58  
    59  		_, err = io.WriteString(&inBuf, test.In)
    60  		if err != nil {
    61  			t.Fatalf("Error writing string: %+v", err)
    62  		}
    63  		if err := process(h, in, out); err != nil {
    64  			t.Fatalf("[case #%d] processing failed early: %s", i, err)
    65  		}
    66  
    67  		if want, got := test.ExpectOut, outBuf.String(); want != got {
    68  			t.Errorf("[case #%d] want:\n%s\ngot:\n%s", i, want, got)
    69  		}
    70  	}
    71  }