feat: backend service

backend/internal/runtime/engineversions_test.go

@@ -0,0 +1,76 @@
+package runtime
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestEngineVersionRegisterValidate(t *testing.T) {
+	cases := []struct {
+		name    string
+		input   RegisterInput
+		wantErr error
+	}{
+		{
+			name:    "empty version",
+			input:   RegisterInput{Version: "", ImageRef: "img"},
+			wantErr: ErrInvalidInput,
+		},
+		{
+			name:    "non-semver",
+			input:   RegisterInput{Version: "abc", ImageRef: "img"},
+			wantErr: ErrInvalidInput,
+		},
+		{
+			name:    "empty image",
+			input:   RegisterInput{Version: "0.1.0", ImageRef: ""},
+			wantErr: ErrInvalidInput,
+		},
+		{
+			name:    "valid",
+			input:   RegisterInput{Version: "0.1.0", ImageRef: "img"},
+			wantErr: nil,
+		},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			err := (&c.input).Validate()
+			if c.wantErr == nil {
+				if err != nil {
+					t.Fatalf("unexpected error: %v", err)
+				}
+				return
+			}
+			if !errors.Is(err, c.wantErr) {
+				t.Fatalf("got %v, want %v", err, c.wantErr)
+			}
+		})
+	}
+}
+
+func TestCheckPatchCompatible(t *testing.T) {
+	cases := []struct {
+		name    string
+		current string
+		target  string
+		wantErr error
+	}{
+		{"same patch", "0.1.0", "0.1.0", nil},
+		{"compatible patch", "0.1.0", "0.1.4", nil},
+		{"different minor", "0.1.0", "0.2.0", ErrPatchSemverIncompatible},
+		{"different major", "1.0.0", "2.0.0", ErrPatchSemverIncompatible},
+		{"invalid current", "abc", "0.1.0", ErrInvalidInput},
+		{"invalid target", "0.1.0", "abc", ErrInvalidInput},
+	}
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			err := CheckPatchCompatible(c.current, c.target)
+			if c.wantErr == nil && err != nil {
+				t.Fatalf("unexpected error: %v", err)
+			}
+			if c.wantErr != nil && !errors.Is(err, c.wantErr) {
+				t.Fatalf("got %v, want %v", err, c.wantErr)
+			}
+		})
+	}
+}