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1802 changed files with 503346 additions and 2 deletions
255
backend/internal/clienterror/client_error_test.go
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255
backend/internal/clienterror/client_error_test.go
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package clienterror
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"testing"
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)
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type statusError struct {
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status int
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body string
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}
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func (e statusError) Error() string { return e.body }
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func (e statusError) StatusCode() int { return e.status }
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func TestHTTPStatusFromError(t *testing.T) {
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tests := []struct {
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name string
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err error
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want int
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}{
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{name: "nil", err: nil, want: 0},
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{name: "plain error", err: errors.New("boom"), want: 0},
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{name: "context canceled", err: context.Canceled, want: StatusClientClosedRequest},
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{name: "context deadline exceeded", err: context.DeadlineExceeded, want: http.StatusGatewayTimeout},
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{
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name: "url error wraps canceled",
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err: &url.Error{Op: "Post", URL: "https://example.com", Err: context.Canceled},
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want: StatusClientClosedRequest,
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},
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{
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name: "url error wraps deadline",
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err: &url.Error{Op: "Post", URL: "https://example.com", Err: context.DeadlineExceeded},
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want: http.StatusGatewayTimeout,
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},
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{
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name: "fmt wrap canceled",
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err: fmt.Errorf("upstream: %w", context.Canceled),
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want: StatusClientClosedRequest,
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},
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{
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name: "explicit status code wins",
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err: statusError{status: http.StatusTooManyRequests, body: "rate limited"},
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want: http.StatusTooManyRequests,
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},
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{
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name: "explicit status wins over canceled unwrap",
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err: statusAndUnwrapError{
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status: http.StatusTooManyRequests,
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body: "rate limited",
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cause: context.Canceled,
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},
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want: http.StatusTooManyRequests,
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},
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{
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name: "zero status code falls through to canceled unwrap",
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err: statusAndUnwrapError{
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status: 0,
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body: "canceled",
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cause: context.Canceled,
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},
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want: StatusClientClosedRequest,
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},
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{
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name: "zero status code without unwrap stays unknown",
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err: statusError{status: 0, body: context.Canceled.Error()},
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want: 0,
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},
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{
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name: "wrapped status code via errors.As",
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err: fmt.Errorf("execute failed: %w", statusError{status: http.StatusUnauthorized, body: "unauthorized"}),
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want: http.StatusUnauthorized,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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if got := HTTPStatusFromError(tc.err); got != tc.want {
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t.Fatalf("HTTPStatusFromError() = %d, want %d", got, tc.want)
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}
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})
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}
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if got := HTTPStatusFromErrorOr(errors.New("boom"), http.StatusBadGateway); got != http.StatusBadGateway {
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t.Fatalf("HTTPStatusFromErrorOr(plain) = %d, want %d", got, http.StatusBadGateway)
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}
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if got := HTTPStatusFromErrorOr(context.Canceled, http.StatusBadGateway); got != StatusClientClosedRequest {
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t.Fatalf("HTTPStatusFromErrorOr(canceled) = %d, want %d", got, StatusClientClosedRequest)
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}
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}
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type statusAndUnwrapError struct {
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status int
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body string
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cause error
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}
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func (e statusAndUnwrapError) Error() string { return e.body }
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func (e statusAndUnwrapError) StatusCode() int {
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return e.status
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}
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func (e statusAndUnwrapError) Unwrap() error { return e.cause }
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func TestIsRequestFaultStructuredIdentifiers(t *testing.T) {
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for _, code := range []string{
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"cyber_policy",
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"context_length_exceeded",
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"message_too_big",
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"string_above_max_length",
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"invalid_prompt",
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"invalid_value",
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"unsupported_value",
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"invalid_request_error",
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"previous_response_not_found",
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} {
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t.Run("code/"+code, func(t *testing.T) {
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err := errors.New(`{"error":{"code":"` + code + `"}}`)
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if !IsRequestFault(http.StatusBadGateway, err) {
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t.Fatalf("code %q was not classified as a request fault", code)
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}
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})
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}
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for _, errType := range []string{
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"invalid_request",
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"invalid_request_error",
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"bad_request_error",
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"invalid_prompt",
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} {
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t.Run("type/"+errType, func(t *testing.T) {
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err := errors.New(`{"error":{"type":"` + errType + `"}}`)
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if !IsRequestFault(http.StatusBadGateway, err) {
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t.Fatalf("type %q was not classified as a request fault", errType)
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}
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})
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}
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}
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func TestIsRequestFault(t *testing.T) {
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tests := []struct {
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name string
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status int
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err error
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want bool
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}{
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{name: "bad request status", status: http.StatusBadRequest, err: errors.New("bad request"), want: true},
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{name: "conflict status", status: http.StatusConflict, err: errors.New("conflict"), want: true},
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{name: "entity too large status", status: http.StatusRequestEntityTooLarge, err: errors.New("too large"), want: true},
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{name: "unprocessable status", status: http.StatusUnprocessableEntity, err: errors.New("unprocessable"), want: true},
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{
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name: "cyber policy behind bad gateway",
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status: http.StatusBadGateway,
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err: errors.New(`{"error":{"type":"invalid_request","code":"cyber_policy","message":"blocked"}}`),
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want: true,
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},
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{
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name: "context length behind internal error",
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status: http.StatusInternalServerError,
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err: errors.New(`{"response":{"error":{"type":"server_error","code":"context_length_exceeded"}}}`),
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want: true,
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},
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{
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name: "invalid request type behind bad gateway",
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status: http.StatusBadGateway,
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err: errors.New(`{"body":{"error":{"type":"invalid_request","message":"invalid"}}}`),
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want: true,
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},
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{
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name: "status from error",
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err: statusError{status: http.StatusConflict, body: "conflict"},
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want: true,
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},
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{
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// Verbatim upstream text: plain text, not JSON, so it can only be matched
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// by message.
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name: "item not persisted with store=false",
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status: http.StatusNotFound,
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err: errors.New("Item with id 'rs_0b5f3eb6f51f175c0169ca74e4a85881998539920821603a74' not found. Items are not persisted when `store` is set to false. Try again with `store` set to true, or remove this item from your input."),
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want: true,
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},
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{
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// An upstream internal error is not a request fault: it must stay eligible
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// for credential rotation and (credential, model) cooldown.
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name: "upstream unknown internal error",
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status: http.StatusInternalServerError,
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err: errors.New(`{"error":{"code":500,"message":"Internal error encountered.","status":"UNKNOWN"}}`),
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},
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{name: "plain not found", status: http.StatusNotFound, err: errors.New("model not found")},
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{name: "unauthorized", status: http.StatusUnauthorized, err: errors.New("invalid token")},
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{
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name: "deepseek authentication failure is credential failure",
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status: http.StatusUnauthorized,
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err: errors.New(`{"error":{"code":"invalid_request_error","message":"Authentication Fails, Your api key: ****heck is invalid","param":null,"type":"authentication_error"}}`),
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want: false,
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},
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{
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name: "deepseek insufficient balance is payment failure",
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status: http.StatusPaymentRequired,
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err: errors.New(`{"error":{"message":"Insufficient Balance","type":"unknown_error","param":null,"code":"invalid_request_error"}}`),
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want: false,
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},
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{
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name: "rate limit status overrides generic request error code",
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status: http.StatusTooManyRequests,
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err: errors.New(`{"error":{"message":"Rate Limit Reached","type":"unknown_error","param":null,"code":"invalid_request_error"}}`),
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want: false,
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},
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{name: "quota", status: http.StatusTooManyRequests, err: errors.New("quota")},
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{name: "transport", status: http.StatusBadGateway, err: errors.New("unexpected EOF")},
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{name: "invalid JSON body", status: http.StatusBadGateway, err: errors.New(`{"error":`)},
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{name: "nil", status: 0},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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if got := IsRequestFault(tc.status, tc.err); got != tc.want {
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t.Fatalf("IsRequestFault(%d, %v) = %t, want %t", tc.status, tc.err, got, tc.want)
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}
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})
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}
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}
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func TestIsClientCancellation(t *testing.T) {
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tests := []struct {
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name string
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status int
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err error
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want bool
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}{
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{name: "status 499", status: StatusClientClosedRequest, want: true},
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{name: "context canceled error", status: 0, err: context.Canceled, want: true},
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{name: "fmt wrapped context canceled", status: 0, err: fmt.Errorf("read: %w", context.Canceled), want: true},
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{name: "context canceled string in error", status: 0, err: errors.New("upstream failed: context canceled"), want: true},
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{name: "client closed request string in error", status: 0, err: errors.New("client closed request"), want: true},
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{name: "statusCoder with 499", status: 0, err: statusError{status: StatusClientClosedRequest, body: "aborted"}, want: true},
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{name: "status 200 without error", status: http.StatusOK, err: nil, want: false},
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{name: "status 400 bad request", status: http.StatusBadRequest, err: errors.New("bad request"), want: false},
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{name: "status 429 rate limit", status: http.StatusTooManyRequests, err: errors.New("rate limited"), want: false},
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{name: "status 500 internal error", status: http.StatusInternalServerError, err: errors.New("internal error"), want: false},
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{name: "plain unrelated error", status: 0, err: errors.New("connection reset by peer"), want: false},
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{name: "nil error and 0 status", status: 0, err: nil, want: false},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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if got := IsClientCancellation(tc.status, tc.err); got != tc.want {
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t.Fatalf("IsClientCancellation(%d, %v) = %t, want %t", tc.status, tc.err, got, tc.want)
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}
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})
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}
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}
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