repl: reorder want/got into got/want

This CL reverts the display of want/got into got/want in order to follow good Go practices. Also align got/want display so as to ease deciphering the error for normal humans. Signed-off-by: Sebastien Binet <[email protected]>

Author: sbinet

repl/repl_test.go

@@ -26,10 +26,10 @@ func (rt *replTest) Print(out string){
 
 func (rt*replTest) assert(t*testing.T, what, wantPrompt, wantOutstring){
 ifrt.prompt!=wantPrompt{
-t.Errorf("%s: Prompt wrong, want %q got %q", what, wantPrompt, rt.prompt)
+t.Errorf("%s: Prompt wrong:\ngot= %q\nwant=%q", what, rt.prompt, wantPrompt)
  }
 ifrt.out!=wantOut{
-t.Errorf("%s: Output wrong, want %q got %q", what, wantOut, rt.out)
+t.Errorf("%s: Output wrong:\ngot= %q\nwant=%q", what, rt.out, wantOut)
  }
 rt.out=""
 }
@@ -118,13 +118,13 @@ func TestCompleter(t *testing.T){
 t.Run(fmt.Sprintf("line=%q,pos=%d)", test.line, test.pos), func(t*testing.T){
 gotHead, gotCompletions, gotTail:=r.Completer(test.line, test.pos)
 iftest.wantHead!=gotHead{
-t.Errorf("head: want %q got %q", test.wantHead, gotHead)
+t.Errorf("invalid head:\ngot= %q\nwant=%q", gotHead, test.wantHead)
  }
 if!reflect.DeepEqual(test.wantCompletions, gotCompletions){
-t.Errorf("completions: want %#v got %#v", test.wantCompletions, gotCompletions)
+t.Errorf("invalid completions:\ngot= %#v\nwant=%#v", gotCompletions, test.wantCompletions)
  }
 iftest.wantTail!=gotTail{
-t.Errorf("tail: want %q got %q", test.wantTail, gotTail)
+t.Errorf("invalid tail:\ngot= %q\nwant=%q", gotTail, test.wantTail)
  }
  })
  }