add test

gocron_test.go

@@ -1,10 +1,9 @@
-// Tests for gocron
 package gocron
 
 import (
+	"fmt"
 	"testing"
 	"time"
-	"fmt"
 )
 
 var err = 1
@@ -23,3 +22,71 @@ func TestSecond(*testing.T) {
 	defaultScheduler.Start()
 	time.Sleep(10 * time.Second)
 }
+
+func Test_formatTime(t *testing.T) {
+	tests := []struct {
+		name     string
+		args     string
+		wantHour int
+		wantMin  int
+		wantErr  bool
+	}{
+		{
+			name:     "normal",
+			args:     "16:18",
+			wantHour: 16,
+			wantMin:  18,
+			wantErr:  false,
+		},
+		{
+			name:     "normal",
+			args:     "6:18",
+			wantHour: 6,
+			wantMin:  18,
+			wantErr:  false,
+		},
+		{
+			name:     "notnumber",
+			args:     "e:18",
+			wantHour: 0,
+			wantMin:  0,
+			wantErr:  true,
+		},
+		{
+			name:     "outofrange",
+			args:     "25:18",
+			wantHour: 25,
+			wantMin:  18,
+			wantErr:  true,
+		},
+		{
+			name:     "wrongformat",
+			args:     "19:18:17",
+			wantHour: 0,
+			wantMin:  0,
+			wantErr:  true,
+		},
+		{
+			name:     "wrongminute",
+			args:     "19:1e",
+			wantHour: 19,
+			wantMin:  0,
+			wantErr:  true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotHour, gotMin, err := formatTime(tt.args)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("formatTime() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if gotHour != tt.wantHour {
+				t.Errorf("formatTime() gotHour = %v, want %v", gotHour, tt.wantHour)
+			}
+			if gotMin != tt.wantMin {
+				t.Errorf("formatTime() gotMin = %v, want %v", gotMin, tt.wantMin)
+			}
+		})
+	}
+}