| package pflag |
| |
| import ( |
| "fmt" |
| "strconv" |
| "strings" |
| "testing" |
| ) |
| |
| func setUpUISFlagSet(uisp *[]uint) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.UintSliceVar(uisp, "uis", []uint{}, "Command separated list!") |
| return f |
| } |
| |
| func setUpUISFlagSetWithDefault(uisp *[]uint) *FlagSet { |
| f := NewFlagSet("test", ContinueOnError) |
| f.UintSliceVar(uisp, "uis", []uint{0, 1}, "Command separated list!") |
| return f |
| } |
| |
| func TestEmptyUIS(t *testing.T) { |
| var uis []uint |
| f := setUpUISFlagSet(&uis) |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| |
| getUIS, err := f.GetUintSlice("uis") |
| if err != nil { |
| t.Fatal("got an error from GetUintSlice():", err) |
| } |
| if len(getUIS) != 0 { |
| t.Fatalf("got is %v with len=%d but expected length=0", getUIS, len(getUIS)) |
| } |
| } |
| |
| func TestUIS(t *testing.T) { |
| var uis []uint |
| f := setUpUISFlagSet(&uis) |
| |
| vals := []string{"1", "2", "4", "3"} |
| arg := fmt.Sprintf("--uis=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range uis { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expected uis[%d] to be %s but got %d", i, vals[i], v) |
| } |
| } |
| getUIS, err := f.GetUintSlice("uis") |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| for i, v := range getUIS { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expected uis[%d] to be %s but got: %d from GetUintSlice", i, vals[i], v) |
| } |
| } |
| } |
| |
| func TestUISDefault(t *testing.T) { |
| var uis []uint |
| f := setUpUISFlagSetWithDefault(&uis) |
| |
| vals := []string{"0", "1"} |
| |
| err := f.Parse([]string{}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range uis { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expect uis[%d] to be %d but got: %d", i, u, v) |
| } |
| } |
| |
| getUIS, err := f.GetUintSlice("uis") |
| if err != nil { |
| t.Fatal("got an error from GetUintSlice():", err) |
| } |
| for i, v := range getUIS { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatal("got an error from GetIntSlice():", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expected uis[%d] to be %d from GetUintSlice but got: %d", i, u, v) |
| } |
| } |
| } |
| |
| func TestUISWithDefault(t *testing.T) { |
| var uis []uint |
| f := setUpUISFlagSetWithDefault(&uis) |
| |
| vals := []string{"1", "2"} |
| arg := fmt.Sprintf("--uis=%s", strings.Join(vals, ",")) |
| err := f.Parse([]string{arg}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range uis { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expected uis[%d] to be %d from GetUintSlice but got: %d", i, u, v) |
| } |
| } |
| |
| getUIS, err := f.GetUintSlice("uis") |
| if err != nil { |
| t.Fatal("got an error from GetUintSlice():", err) |
| } |
| for i, v := range getUIS { |
| u, err := strconv.ParseUint(vals[i], 10, 0) |
| if err != nil { |
| t.Fatalf("got error: %v", err) |
| } |
| if uint(u) != v { |
| t.Fatalf("expected uis[%d] to be %d from GetUintSlice but got: %d", i, u, v) |
| } |
| } |
| } |
| |
| func TestUISCalledTwice(t *testing.T) { |
| var uis []uint |
| f := setUpUISFlagSet(&uis) |
| |
| in := []string{"1,2", "3"} |
| expected := []int{1, 2, 3} |
| argfmt := "--uis=%s" |
| arg1 := fmt.Sprintf(argfmt, in[0]) |
| arg2 := fmt.Sprintf(argfmt, in[1]) |
| err := f.Parse([]string{arg1, arg2}) |
| if err != nil { |
| t.Fatal("expected no error; got", err) |
| } |
| for i, v := range uis { |
| if uint(expected[i]) != v { |
| t.Fatalf("expected uis[%d] to be %d but got: %d", i, expected[i], v) |
| } |
| } |
| } |