Files

73 lines
1.6 KiB
Go

package pgdump
import (
"errors"
"fmt"
"testing"
)
func TestErrPgDumpFailed_Error(t *testing.T) {
cases := []struct {
name string
exitCode int
want string
}{
{name: "zero", exitCode: 0, want: "pg_dump failed with exit code 0"},
{name: "one", exitCode: 1, want: "pg_dump failed with exit code 1"},
{name: "large", exitCode: 137, want: "pg_dump failed with exit code 137"},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
err := ErrPgDumpFailed(tc.exitCode)
if err == nil {
t.Fatalf("ErrPgDumpFailed(%d) returned nil, want error", tc.exitCode)
}
if got := err.Error(); got != tc.want {
t.Fatalf("Error() = %q, want %q", got, tc.want)
}
})
}
}
func TestErrPgDumpFailed_Is(t *testing.T) {
base := ErrPgDumpFailed(1)
cases := []struct {
name string
target error
want bool
}{
{
name: "same exit code",
target: ErrPgDumpFailed(1),
want: true,
},
{
name: "different exit code",
target: ErrPgDumpFailed(2),
want: false,
},
{
name: "unrelated error type",
target: errors.New("something else"),
want: false,
},
{
// Is does not unwrap target: a fmt.Errorf-wrapped pgDumpFailedError
// fails the exact type check, so errors.Is reports false here.
name: "wrapped same-type error",
target: fmt.Errorf("wrapped: %w", ErrPgDumpFailed(1)),
want: false,
},
}
for _, tc := range cases {
t.Run(tc.name, func(t *testing.T) {
if got := errors.Is(base, tc.target); got != tc.want {
t.Fatalf("errors.Is(%v, %v) = %v, want %v", base, tc.target, got, tc.want)
}
})
}
}