func doRequestParam(c *cli.Context) {
param := c.String("param")
// Show help if param flag is empty
if param == "" {
cli.ShowCommandHelp(c, c.Command.Name)
return
}
reducer := elblog.NewRequestParamCount(param)
reader := NewReader(c, reducer)
entry, err := reader.Read()
assert(err)
o := &output.Output{}
o.SetNames("request parameter value", "count")
for k, v := range entry.Fields() {
o.Add(k, v)
}
err = Output(c, o)
assert(err)
}
func TestCountRequestParam(t *testing.T) {
f, err := os.Open("testdata/count_request_param.log")
if err != nil {
t.Fatal(err)
}
param := "test_param"
reducer := elblog.NewRequestParamCount(param)
reader := elblog.NewReader(f, reducer)
entry, err := reader.Read()
if err != nil && err != io.EOF {
t.Fatal(err)
}
want := gonx.NewEntry(gonx.Fields{
"foo": "2",
"bar": "1",
"baz": "1",
"quuix": "1",
})
if !reflect.DeepEqual(entry, want) {
t.Fatalf("want %v got %v", want, entry)
}
}