positional arguments working

1 files changed, 43 insertions, 1 deletions

diff --git a/parse_test.go b/parse_test.go
index 4864ebc..b8e3fa7 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -25,14 +25,16 @@ func TestMixed(t *testing.T) {
 	var args struct {
 		Foo  string `arg:"-f"`
 		Bar  int
+		Baz  uint `arg:"positional"`
 		Ham  bool
 		Spam float32
 	}
 	args.Bar = 3
-	err := ParseFrom(&args, split("-spam=1.2 -ham -f xyz"))
+	err := ParseFrom(&args, split("123 -spam=1.2 -ham -f xyz"))
 	require.NoError(t, err)
 	assert.Equal(t, "xyz", args.Foo)
 	assert.Equal(t, 3, args.Bar)
+	assert.Equal(t, uint(123), args.Baz)
 	assert.Equal(t, true, args.Ham)
 	assert.Equal(t, 1.2, args.Spam)
 }
@@ -86,3 +88,43 @@ func TestCaseSensitive2(t *testing.T) {
 	assert.False(t, args.Lower)
 	assert.True(t, args.Upper)
 }
+
+func TestPositional(t *testing.T) {
+	var args struct {
+		Input  string `arg:"positional"`
+		Output string `arg:"positional"`
+	}
+	err := ParseFrom(&args, split("foo"))
+	require.NoError(t, err)
+	assert.Equal(t, "foo", args.Input)
+	assert.Equal(t, "", args.Output)
+}
+
+func TestRequiredPositional(t *testing.T) {
+	var args struct {
+		Input  string `arg:"positional"`
+		Output string `arg:"positional,required"`
+	}
+	err := ParseFrom(&args, split("foo"))
+	assert.Error(t, err)
+}
+
+func TestTooManyPositional(t *testing.T) {
+	var args struct {
+		Input  string `arg:"positional"`
+		Output string `arg:"positional"`
+	}
+	err := ParseFrom(&args, split("foo bar baz"))
+	assert.Error(t, err)
+}
+
+func TestMultiple(t *testing.T) {
+	var args struct {
+		Foo []int
+		Bar []string
+	}
+	err := ParseFrom(&args, split("--foo 1 2 3 --bar x y z"))
+	require.NoError(t, err)
+	assert.Equal(t, []int{1, 2, 3}, args.Foo)
+	assert.Equal(t, []string{"x", "y", "z"}, args.Bar)
+}