forked from mirror/cobra
args_test: add helper functions (#1426)
* args_test: add helper function expectSuccess * args_test: add helper function getCommand * args_test: add additional helper functions * noArgsWithArgs * validWithInvalidArgs * minimumNArgsWithLessArgs * maximumNArgsWithMoreArgs * exactArgsWithInvalidCount * rangeArgsWithInvalidCount
This commit is contained in:
Unai Martinez-Corral
GitHub
parent
62a72cdd0f
commit
9e1d6f1c2a
290
args_test.go
290
args_test.go
|
|
@ -5,26 +5,42 @@ import (
|
|||
"testing"
|
||||
)
|
||||
|
||||
func TestNoArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: NoArgs, Run: emptyRun}
|
||||
func getCommand(args PositionalArgs, withValid bool) *Command {
|
||||
c := &Command{
|
||||
Use: "c",
|
||||
Args: args,
|
||||
Run: emptyRun,
|
||||
}
|
||||
if withValid {
|
||||
c.ValidArgs = []string{"one", "two", "three"}
|
||||
}
|
||||
return c
|
||||
}
|
||||
|
||||
output, err := executeCommand(c)
|
||||
func expectSuccess(output string, err error, t *testing.T) {
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected string: %v", output)
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Fatalf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNoArgsWithArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: NoArgs, Run: emptyRun}
|
||||
|
||||
_, err := executeCommand(c, "illegal")
|
||||
func validWithInvalidArgs(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
got := err.Error()
|
||||
expected := `invalid argument "a" for "c"`
|
||||
if got != expected {
|
||||
t.Errorf("Expected: %q, got: %q", expected, got)
|
||||
}
|
||||
}
|
||||
|
||||
func noArgsWithArgs(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
got := err.Error()
|
||||
expected := `unknown command "illegal" for "c"`
|
||||
if got != expected {
|
||||
|
|
@ -32,73 +48,10 @@ func TestNoArgsWithArgs(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestOnlyValidArgs(t *testing.T) {
|
||||
c := &Command{
|
||||
Use: "c",
|
||||
Args: OnlyValidArgs,
|
||||
ValidArgs: []string{"one", "two"},
|
||||
Run: emptyRun,
|
||||
}
|
||||
|
||||
output, err := executeCommand(c, "one", "two")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Fatalf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestOnlyValidArgsWithInvalidArgs(t *testing.T) {
|
||||
c := &Command{
|
||||
Use: "c",
|
||||
Args: OnlyValidArgs,
|
||||
ValidArgs: []string{"one", "two"},
|
||||
Run: emptyRun,
|
||||
}
|
||||
|
||||
_, err := executeCommand(c, "three")
|
||||
func minimumNArgsWithLessArgs(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := `invalid argument "three" for "c"`
|
||||
if got != expected {
|
||||
t.Errorf("Expected: %q, got: %q", expected, got)
|
||||
}
|
||||
}
|
||||
|
||||
func TestArbitraryArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: ArbitraryArgs, Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMinimumNArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: MinimumNArgs(2), Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMinimumNArgsWithLessArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: MinimumNArgs(2), Run: emptyRun}
|
||||
_, err := executeCommand(c, "a")
|
||||
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := "requires at least 2 arg(s), only received 1"
|
||||
if got != expected {
|
||||
|
|
@ -106,25 +59,10 @@ func TestMinimumNArgsWithLessArgs(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestMaximumNArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: MaximumNArgs(3), Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMaximumNArgsWithMoreArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: MaximumNArgs(2), Run: emptyRun}
|
||||
_, err := executeCommand(c, "a", "b", "c")
|
||||
|
||||
func maximumNArgsWithMoreArgs(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := "accepts at most 2 arg(s), received 3"
|
||||
if got != expected {
|
||||
|
|
@ -132,25 +70,10 @@ func TestMaximumNArgsWithMoreArgs(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestExactArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: ExactArgs(3), Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestExactArgsWithInvalidCount(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: ExactArgs(2), Run: emptyRun}
|
||||
_, err := executeCommand(c, "a", "b", "c")
|
||||
|
||||
func exactArgsWithInvalidCount(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := "accepts 2 arg(s), received 3"
|
||||
if got != expected {
|
||||
|
|
@ -158,71 +81,10 @@ func TestExactArgsWithInvalidCount(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestExactValidArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: ExactValidArgs(3), ValidArgs: []string{"a", "b", "c"}, Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestExactValidArgsWithInvalidCount(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: ExactValidArgs(2), Run: emptyRun}
|
||||
_, err := executeCommand(c, "a", "b", "c")
|
||||
|
||||
func rangeArgsWithInvalidCount(err error, t *testing.T) {
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := "accepts 2 arg(s), received 3"
|
||||
if got != expected {
|
||||
t.Fatalf("Expected %q, got %q", expected, got)
|
||||
}
|
||||
}
|
||||
|
||||
func TestExactValidArgsWithInvalidArgs(t *testing.T) {
|
||||
c := &Command{
|
||||
Use: "c",
|
||||
Args: ExactValidArgs(1),
|
||||
ValidArgs: []string{"one", "two"},
|
||||
Run: emptyRun,
|
||||
}
|
||||
|
||||
_, err := executeCommand(c, "three")
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := `invalid argument "three" for "c"`
|
||||
if got != expected {
|
||||
t.Errorf("Expected: %q, got: %q", expected, got)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRangeArgs(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: RangeArgs(2, 4), Run: emptyRun}
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
if output != "" {
|
||||
t.Errorf("Unexpected output: %v", output)
|
||||
}
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRangeArgsWithInvalidCount(t *testing.T) {
|
||||
c := &Command{Use: "c", Args: RangeArgs(2, 4), Run: emptyRun}
|
||||
_, err := executeCommand(c, "a")
|
||||
|
||||
if err == nil {
|
||||
t.Fatal("Expected an error")
|
||||
}
|
||||
|
||||
got := err.Error()
|
||||
expected := "accepts between 2 and 4 arg(s), received 1"
|
||||
if got != expected {
|
||||
|
|
@ -230,6 +92,102 @@ func TestRangeArgsWithInvalidCount(t *testing.T) {
|
|||
}
|
||||
}
|
||||
|
||||
func TestNoArgs(t *testing.T) {
|
||||
c := getCommand(NoArgs, false)
|
||||
output, err := executeCommand(c)
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestNoArgsWithArgs(t *testing.T) {
|
||||
c := getCommand(NoArgs, false)
|
||||
_, err := executeCommand(c, "illegal")
|
||||
noArgsWithArgs(err, t)
|
||||
}
|
||||
|
||||
func TestOnlyValidArgs(t *testing.T) {
|
||||
c := getCommand(OnlyValidArgs, true)
|
||||
output, err := executeCommand(c, "one", "two")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestOnlyValidArgsWithInvalidArgs(t *testing.T) {
|
||||
c := getCommand(OnlyValidArgs, true)
|
||||
_, err := executeCommand(c, "a")
|
||||
validWithInvalidArgs(err, t)
|
||||
}
|
||||
|
||||
func TestArbitraryArgs(t *testing.T) {
|
||||
c := getCommand(ArbitraryArgs, false)
|
||||
output, err := executeCommand(c, "a", "b")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestMinimumNArgs(t *testing.T) {
|
||||
c := getCommand(MinimumNArgs(2), false)
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestMinimumNArgsWithLessArgs(t *testing.T) {
|
||||
c := getCommand(MinimumNArgs(2), false)
|
||||
_, err := executeCommand(c, "a")
|
||||
minimumNArgsWithLessArgs(err, t)
|
||||
}
|
||||
|
||||
func TestMaximumNArgs(t *testing.T) {
|
||||
c := getCommand(MaximumNArgs(3), false)
|
||||
output, err := executeCommand(c, "a", "b")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestMaximumNArgsWithMoreArgs(t *testing.T) {
|
||||
c := getCommand(MaximumNArgs(2), false)
|
||||
_, err := executeCommand(c, "a", "b", "c")
|
||||
maximumNArgsWithMoreArgs(err, t)
|
||||
}
|
||||
|
||||
func TestExactArgs(t *testing.T) {
|
||||
c := getCommand(ExactArgs(3), false)
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestExactArgsWithInvalidCount(t *testing.T) {
|
||||
c := getCommand(ExactArgs(2), false)
|
||||
_, err := executeCommand(c, "a", "b", "c")
|
||||
exactArgsWithInvalidCount(err, t)
|
||||
}
|
||||
|
||||
func TestExactValidArgs(t *testing.T) {
|
||||
c := getCommand(ExactValidArgs(3), true)
|
||||
output, err := executeCommand(c, "three", "one", "two")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestExactValidArgsWithInvalidCount(t *testing.T) {
|
||||
c := getCommand(ExactValidArgs(2), false)
|
||||
_, err := executeCommand(c, "three", "one", "two")
|
||||
exactArgsWithInvalidCount(err, t)
|
||||
}
|
||||
|
||||
func TestExactValidArgsWithInvalidArgs(t *testing.T) {
|
||||
c := getCommand(ExactValidArgs(3), true)
|
||||
_, err := executeCommand(c, "three", "a", "two")
|
||||
validWithInvalidArgs(err, t)
|
||||
}
|
||||
|
||||
func TestRangeArgs(t *testing.T) {
|
||||
c := getCommand(RangeArgs(2, 4), false)
|
||||
output, err := executeCommand(c, "a", "b", "c")
|
||||
expectSuccess(output, err, t)
|
||||
}
|
||||
|
||||
func TestRangeArgsWithInvalidCount(t *testing.T) {
|
||||
c := getCommand(RangeArgs(2, 4), false)
|
||||
_, err := executeCommand(c, "a")
|
||||
rangeArgsWithInvalidCount(err, t)
|
||||
}
|
||||
|
||||
func TestRootTakesNoArgs(t *testing.T) {
|
||||
rootCmd := &Command{Use: "root", Run: emptyRun}
|
||||
childCmd := &Command{Use: "child", Run: emptyRun}
|
||||
|
|
|
|||
Loading…
Reference in New Issue