func/pkg/mock/deployer.go

52 lines
1.6 KiB
Go

package mock
import (
"context"
"errors"
fn "knative.dev/func/pkg/functions"
)
// DefaultNamespace for mock deployments
// See deployer implementations for tests which ensure the currently
// active kube namespace is chosen when no explicit namespace is provided.
// This mock emulates a deployer which responds that the function was deployed
// to desired or previously-deployed ns or "default" if not defined.
const DefaultNamespace = "default"
type Deployer struct {
DeployInvoked bool
DeployFn func(context.Context, fn.Function) (fn.DeploymentResult, error)
}
func NewDeployer() *Deployer {
return &Deployer{
DeployFn: func(_ context.Context, f fn.Function) (result fn.DeploymentResult, err error) {
// the minimum necessary logic for a deployer, which should be
// confirmed by tests in the respective implementations.
if f.Namespace != "" {
result.Namespace = f.Namespace // deployed to that requested
} else if f.Deploy.Namespace != "" {
result.Namespace = f.Deploy.Namespace // redeploy to current
} else {
err = errors.New("namespace required for initial deployment")
}
return
},
}
}
func (i *Deployer) Deploy(ctx context.Context, f fn.Function) (fn.DeploymentResult, error) {
i.DeployInvoked = true
return i.DeployFn(ctx, f)
}
// NewDeployerWithResult is a convenience method for creating a mock deployer
// with a deploy function implementation which returns the given result
// and no error.
func NewDeployerWithResult(result fn.DeploymentResult) *Deployer {
return &Deployer{
DeployFn: func(context.Context, fn.Function) (fn.DeploymentResult, error) { return result, nil },
}
}