gocollatz/parsing/cliargs_test.go
Lars M. Rogne 99eeeedc65
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2024-04-24 22:04:34 +02:00

45 lines
889 B
Go

package parsing
import (
"math/big"
"os"
"testing"
)
func TestCliargs_Parse(t *testing.T) {
tests := []struct {
name string
args []string
want *big.Int
wantErr bool
}{
{
name: "Test with valid integer",
args: []string{"", "10"}, // the first argument is the program name
want: big.NewInt(10),
wantErr: false,
},
{
name: "Test with non-integer",
args: []string{"", "abc"}, // the first argument is the program name
want: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
os.Args = tt.args
parser := &Cliargs{}
got, err := parser.Parse()
if (err != nil) != tt.wantErr {
t.Errorf("Parse() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !tt.wantErr && got.Cmp(tt.want) != 0 {
t.Errorf("Parse() = %v, want %v", got, tt.want)
}
})
}
}