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package fetcher
import (
"fmt"
"github.com/stretchr/testify/assert"
"net"
"net/url"
"testing"
)
func TestClassifyHTTPStatus401(test *testing.T) {
fetchError := ClassifyError(nil, 401)
assert.Equal(test, 401, fetchError.StatusCode)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "authentication")
}
func TestClassifyHTTPStatus403(test *testing.T) {
fetchError := ClassifyError(nil, 403)
assert.Equal(test, 403, fetchError.StatusCode)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "forbidden")
}
func TestClassifyHTTPStatus404(test *testing.T) {
fetchError := ClassifyError(nil, 404)
assert.Equal(test, 404, fetchError.StatusCode)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "not found")
}
func TestClassifyHTTPStatus410(test *testing.T) {
fetchError := ClassifyError(nil, 410)
assert.Equal(test, 410, fetchError.StatusCode)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "permanently removed")
}
func TestClassifyHTTPStatus429(test *testing.T) {
fetchError := ClassifyError(nil, 429)
assert.Equal(test, 429, fetchError.StatusCode)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "rate limited")
}
func TestClassifyHTTPServerErrors(test *testing.T) {
serverErrorCodes := []int{500, 502, 503, 504}
for _, statusCode := range serverErrorCodes {
test.Run(fmt.Sprintf("status_%d", statusCode), func(test *testing.T) {
fetchError := ClassifyError(nil, statusCode)
assert.Equal(test, statusCode, fetchError.StatusCode)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "server error")
})
}
}
func TestClassifyHTTPUnknownClientError(test *testing.T) {
fetchError := ClassifyError(nil, 418)
assert.Equal(test, 418, fetchError.StatusCode)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "418")
}
func TestClassifyDNSNotFoundError(test *testing.T) {
dnsError := &net.DNSError{
Name: "nonexistent.example.com",
IsNotFound: true,
}
fetchError := ClassifyError(dnsError, 0)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "DNS")
}
func TestClassifyDNSTemporaryError(test *testing.T) {
dnsError := &net.DNSError{
Name: "flaky.example.com",
IsNotFound: false,
}
fetchError := ClassifyError(dnsError, 0)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "DNS")
}
func TestClassifyTimeoutError(test *testing.T) {
timeoutError := &url.Error{
Op: "Get",
URL: "https://slow.example.com",
Err: &timeoutErr{},
}
fetchError := ClassifyError(timeoutError, 0)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "timed out")
}
type timeoutErr struct{}
func (timeoutError *timeoutErr) Error() string { return "connection timed out" }
func (timeoutError *timeoutErr) Timeout() bool { return true }
func (timeoutError *timeoutErr) Temporary() bool { return true }
func TestClassifyNetworkOpError(test *testing.T) {
opError := &net.OpError{
Op: "dial",
Net: "tcp",
Err: fmt.Errorf("connection refused"),
}
fetchError := ClassifyError(opError, 0)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "network")
}
func TestClassifyTLSError(test *testing.T) {
tlsError := fmt.Errorf("tls: handshake failure")
fetchError := ClassifyError(tlsError, 0)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "TLS")
}
func TestClassifyCertificateError(test *testing.T) {
certError := fmt.Errorf("x509: certificate has expired")
fetchError := ClassifyError(certError, 0)
assert.False(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "certificate")
}
func TestClassifyNilError(test *testing.T) {
fetchError := ClassifyError(nil, 0)
assert.True(test, fetchError.Retryable)
assert.Contains(test, fetchError.UserMessage, "unknown")
}
func TestFetchErrorInterface(test *testing.T) {
underlyingError := fmt.Errorf("some network issue")
fetchError := &FetchError{
StatusCode: 0,
UserMessage: "test error",
Retryable: true,
UnderlyingError: underlyingError,
}
assert.Contains(test, fetchError.Error(), "test error")
assert.Contains(test, fetchError.Error(), "some network issue")
assert.Equal(test, underlyingError, fetchError.Unwrap())
}
func TestFetchErrorWithoutUnderlying(test *testing.T) {
fetchError := &FetchError{
UserMessage: "standalone error",
}
assert.Equal(test, "standalone error", fetchError.Error())
assert.Nil(test, fetchError.Unwrap())
}
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