Function TestCheckDeclaredSubtype

lint/errscontract/rules_test.go:234–325

(t *testing.T)

}

func TestCheckDeclaredSubtype(t *testing.T) {
	allowlist := map[string]struct{}{
		"missing_scope":      {},
		"rate_limit":         {},
		"invalid_parameters": {},
	}
	cases := []struct {
		name       string
		src        string
		wantAction Action
		wantInMsg  string
	}{
		{
			name: "named_const_selector_accepted",
			src: `package x
import "github.com/larksuite/cli/errs"
var _ = struct{ Subtype errs.Subtype }{Subtype: errs.SubtypeMissingScope}
`,
			wantAction: "",
		},
		{
			name: "literal_in_allowlist_accepted",
			src: `package x
var _ = struct{ Subtype string }{Subtype: "missing_scope"}
`,
			wantAction: "",
		},
		{
			name: "undeclared_literal_rejected",
			src: `package x
var _ = struct{ Subtype string }{Subtype: "my_custom_thing"}
`,
			wantAction: ActionReject,
			wantInMsg:  "my_custom_thing",
		},
		{
			name: "undeclared_via_cast_rejected",
			src: `package x
import "github.com/larksuite/cli/errs"
var _ = struct{ Subtype errs.Subtype }{Subtype: errs.Subtype("custom_value")}
`,
			wantAction: ActionReject,
			wantInMsg:  "custom_value",
		},
		{
			name: "ad_hoc_does_not_fire_in_rule_e",
			src: `package x
var _ = struct{ Subtype string }{Subtype: "ad_hoc_thing"}
`,
			// CheckDeclaredSubtype hands ad_hoc_* off to CheckAdHocSubtype — returns no E-class violation.
			wantAction: "",
		},
		{
			name: "dynamic_local_var_warns",
			src: `package x
var loc = "x"
var _ = struct{ Subtype string }{Subtype: loc}
`,