feat(tyme/dur): add dur package as separate module

dur/parse_test.go

@@ -0,0 +1,74 @@
+package dur
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParse(t *testing.T) {
+	tests := []struct {
+		name    string
+		x       interface{}
+		want    time.Duration
+		wantErr string
+	}{
+		{x: "1ns", want: 1 * time.Nanosecond},
+		{x: "2ns", want: 2 * time.Nanosecond},
+		{x: "1µs", want: 1 * time.Microsecond},
+		{x: "2µs", want: 2 * time.Microsecond},
+		{x: "1ms", want: 1 * time.Millisecond},
+		{x: "2ms", want: 2 * time.Millisecond},
+		{x: "1s", want: 1 * time.Second},
+		{x: "2s", want: 2 * time.Second},
+		{x: "90s", want: 90 * time.Second},
+		{x: "1m30s", want: 90 * time.Second},
+		{x: "1m0s", want: 1 * time.Minute},
+		{x: "2m0s", want: 2 * time.Minute},
+		{x: "90m", want: 90 * time.Minute},
+		{x: "1h30m", want: 90 * time.Minute},
+		{x: "1h30m0s", want: 90 * time.Minute},
+		{x: "1h0m0s", want: 1 * time.Hour},
+		{x: "2h0m0s", want: 2 * time.Hour},
+		{x: "36h0m0s", want: 36 * time.Hour},
+		{x: 0.000000001, want: 1 * time.Nanosecond},
+		{x: 0.000001, want: 1 * time.Microsecond},
+		{x: 0.001, want: 1 * time.Millisecond},
+		{x: 0.1, want: 100 * time.Millisecond},
+		{x: 1, want: 1 * time.Second},
+		{x: 1.0, want: 1 * time.Second},
+		{x: 2.0, want: 2 * time.Second},
+		{x: 90, want: 90 * time.Second},
+		{x: 90.001, want: (90 * time.Second) + (1 * time.Millisecond)},
+		{x: 90.999, want: (90 * time.Second) + (999 * time.Millisecond)},
+		{name: "nil", x: nil, wantErr: "time: invalid duration <nil>"},
+		{name: "empty string", x: "", wantErr: "time: invalid duration \"\""},
+		{x: "'2ms'", wantErr: "time: invalid duration \"'2ms'\""},
+		{x: "nil", wantErr: "time: invalid duration \"nil\""},
+		{x: "foo", wantErr: "time: invalid duration \"foo\""},
+		{x: "\"foo\"", wantErr: "time: invalid duration \"\\\"foo\\\"\""},
+		{x: "null", wantErr: "time: invalid duration \"null\""},
+		{x: "\"null\"", wantErr: "time: invalid duration \"\\\"null\\\"\""},
+	}
+	for _, tt := range tests {
+		name := tt.name
+		if name == "" {
+			name = fmt.Sprintf("%#v", tt.x)
+		}
+
+		t.Run(name, func(t *testing.T) {
+			got, err := Parse(tt.x)
+
+			if tt.wantErr != "" {
+				assert.EqualError(t, err, tt.wantErr)
+			} else {
+				require.NoError(t, err)
+			}
+
+			assert.Equal(t, tt.want, time.Duration(got))
+		})
+	}
+}