Feature/#8 datetime (#153)

pkg/stdlib/datetime/date_test.go

@@ -0,0 +1,49 @@
+package datetime_test
+
+import (
+	"testing"
+
+	"github.com/MontFerret/ferret/pkg/runtime/core"
+	"github.com/MontFerret/ferret/pkg/runtime/values"
+
+	"github.com/MontFerret/ferret/pkg/stdlib/datetime"
+)
+
+func TestDate(t *testing.T) {
+	tcs := []*testCase{
+		&testCase{
+			Name:     "When more than 1 arguments",
+			Expected: values.None,
+			Args: []core.Value{
+				values.NewString("string"),
+				values.NewInt(0),
+			},
+			ShouldErr: true,
+		},
+		&testCase{
+			Name:      "When 0 arguments",
+			Expected:  values.None,
+			Args:      []core.Value{},
+			ShouldErr: true,
+		},
+		&testCase{
+			Name:     "When incorrect timeStrings",
+			Expected: values.None,
+			Args: []core.Value{
+				values.NewString("bla-bla"),
+			},
+			ShouldErr: true,
+		},
+		&testCase{
+			Name:     "When correct timeString in RFC3339 format",
+			Expected: mustDefaultLayoutDt("1999-02-07T15:04:05Z"),
+			Args: []core.Value{
+				values.NewString("1999-02-07T15:04:05Z"),
+			},
+		},
+	}
+
+	for _, tc := range tcs {
+		tc.Do(t, datetime.Date)
+	}
+}