snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/config/config_test.go

@@ -0,0 +1,91 @@
+package config
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+const missingVersion = `{
+}`
+
+const missingPackages = `{
+  "version": "1"
+}`
+
+const unknownVersion = `{
+  "version": "foo"
+}`
+
+const unknownFields = `{
+  "version": "1",
+  "foo": "bar"
+}`
+
+func TestBadConfigs(t *testing.T) {
+	for _, test := range []struct {
+		name string
+		err  string
+		json string
+	}{
+		{
+			"missing version",
+			"no version number",
+			missingVersion,
+		},
+		{
+			"missing packages",
+			"no packages",
+			missingPackages,
+		},
+		{
+			"unknown version",
+			"invalid version number",
+			unknownVersion,
+		},
+		{
+			"unknown fields",
+			`yaml: unmarshal errors:
+  line 3: field foo not found in type config.V1GenerateSettings`,
+			unknownFields,
+		},
+	} {
+		tt := test
+		t.Run(tt.name, func(t *testing.T) {
+			_, err := ParseConfig(strings.NewReader(tt.json))
+			if err == nil {
+				t.Fatalf("expected err; got nil")
+			}
+			if diff := cmp.Diff(err.Error(), tt.err); diff != "" {
+				t.Errorf("differed (-want +got):\n%s", diff)
+			}
+		})
+	}
+}
+
+const validConfigOne = `{
+  "version": "1"
+  "packages": []
+}`
+
+func FuzzConfig(f *testing.F) {
+	f.Add(validConfigOne)
+	f.Fuzz(func(t *testing.T, orig string) {
+		ParseConfig(strings.NewReader(orig))
+	})
+}
+
+func TestInvalidConfig(t *testing.T) {
+	err := Validate(&Config{
+		SQL: []SQL{{
+			Database: &Database{
+				URI:     "",
+				Managed: false,
+			},
+		}},
+	})
+	if err == nil {
+		t.Errorf("expected err; got nil")
+	}
+}