iactest

type NoopDriver struct {
	// DiffResult is returned from Diff(). When nil with DiffErr also nil,
	// callers receive the plain (nil, nil) shape (treated by ComputePlan
	// as "no changes — skip").
	DiffResult *interfaces.DiffResult

	// DiffErr is returned from Diff() when set; takes precedence over
	// DiffResult.
	DiffErr error

	// DeleteErr is returned from Delete() when set. The default zero
	// value (nil) makes Delete a no-op success — matching the rest of
	// the NoopDriver shape.
	DeleteErr error

	// ReadResult is returned from Read(). When nil with ReadErr also
	// nil, callers receive the plain (nil, nil) shape that pre-T7.5
	// code expects from the Noop fake. Tests that exercise
	// iac/refreshoutputs.Refresh set this to a *ResourceOutput whose
	// Outputs map carries the live-shape keys the scenario asserts
	// reconciliation for.
	ReadResult *interfaces.ResourceOutput

	// ReadErr is returned from Read() when set; takes precedence over
	// ReadResult.
	ReadErr error

	// DiffCallCount is bumped on every Diff invocation. Exposed via
	// atomic.Int64 so cache-hit tests under -race do not need separate
	// synchronization.
	DiffCallCount atomic.Int64

	// DeleteCallCount is bumped on every Delete invocation. Exposed via
	// atomic.Int64 so dispatch-coverage tests (e.g.,
	// iac/conformance/scenarios_test.go) under -race can assert
	// driver.Delete was invoked without separate synchronization.
	DeleteCallCount atomic.Int64

	// ReadCallCount is bumped on every Read invocation. Exposed via
	// atomic.Int64 so refresh-outputs tests can assert driver.Read was
	// dispatched without separate synchronization.
	ReadCallCount atomic.Int64
}

type NoopProvider struct {
	// Driver, when non-nil, is returned from ResourceDriver(typ) for
	// every resource type. Leave nil for the pure-no-op shape used by
	// callers that only need to satisfy the interface signature.
	Driver *NoopDriver

	// ProviderName overrides the Name() return value. Defaults to
	// "iactest-noop" when empty.
	ProviderName string

	// ProviderVersion overrides the Version() return value. Defaults
	// to "0.0.0-iactest" when empty.
	ProviderVersion string

	// DispatchVersion is the value returned from ComputePlanVersion(),
	// satisfying iac/wfctlhelpers.ComputePlanVersionDeclarer. Tests
	// driving the v2 apply path set this to "v2"; leaving it empty
	// (the default) routes through the legacy v1 dispatch.
	DispatchVersion string
}