open-vault/helper/backend/testing.go
2015-03-15 14:57:19 -07:00

101 lines
2.9 KiB
Go

package backend
import (
"fmt"
"os"
"testing"
"github.com/hashicorp/vault/logical"
)
// TestEnvVar must be set to a non-empty value for acceptance tests to run.
const TestEnvVar = "TF_ACC"
// TestCase is a single set of tests to run for a backend. A TestCase
// should generally map 1:1 to each test method for your acceptance
// tests.
type TestCase struct {
// Precheck, if non-nil, will be called once before the test case
// runs at all. This can be used for some validation prior to the
// test running.
PreCheck func()
// Backend is the backend that will be mounted.
Backend logical.Backend
// Steps are the set of operations that are run for this test case.
Steps []TestStep
// Teardown will be called before the test case is over regardless
// of if the test succeeded or failed. This should return an error
// in the case that the test can't guarantee all resources were
// properly cleaned up.
Teardown TestTeardownFunc
}
// TestStep is a single step within a TestCase.
type TestStep struct {
// Operation is the operation to execute
Operation logical.Operation
// Path is the request path. The mount prefix will be automatically added.
Path string
// Arguments to pass in
Data map[string]interface{}
// Check is called after this step is executed in order to test that
// the step executed successfully. If this is not set, then the next
// step will be called
Check TestCheckFunc
}
// TestCheckFunc is the callback used for Check in TestStep.
type TestCheckFunc func(*logical.Response) error
// TestTeardownFunc is the callback used for Teardown in TestCase.
type TestTeardownFunc func() error
// Test performs an acceptance test on a backend with the given test case.
//
// Tests are not run unless an environmental variable "TF_ACC" is
// set to some non-empty value. This is to avoid test cases surprising
// a user by creating real resources.
//
// Tests will fail unless the verbose flag (`go test -v`, or explicitly
// the "-test.v" flag) is set. Because some acceptance tests take quite
// long, we require the verbose flag so users are able to see progress
// output.
func Test(t TestT, c TestCase) {
// We only run acceptance tests if an env var is set because they're
// slow and generally require some outside configuration.
if os.Getenv(TestEnvVar) == "" {
t.Skip(fmt.Sprintf(
"Acceptance tests skipped unless env '%s' set",
TestEnvVar))
return
}
// We require verbose mode so that the user knows what is going on.
if !testTesting && !testing.Verbose() {
t.Fatal("Acceptance tests must be run with the -v flag on tests")
return
}
// Run the PreCheck if we have it
if c.PreCheck != nil {
c.PreCheck()
}
}
// TestT is the interface used to handle the test lifecycle of a test.
//
// Users should just use a *testing.T object, which implements this.
type TestT interface {
Error(args ...interface{})
Fatal(args ...interface{})
Skip(args ...interface{})
}
var testTesting = false