vm: add the proxyapp support (#3269)

* vm: add pool.Close() support
* vm: add proxyapp client implementation
* vm/proxyapp: autogenerate mocks
* vm/proxyapp: add proxyapp tests
* pkg/mgrconfig: add proxyapp type tests

1 files changed, 45 insertions, 0 deletions

diff --git a/vm/proxyapp/proxyappclient_mocks_test.go b/vm/proxyapp/proxyappclient_mocks_test.go
new file mode 100644
index 000000000..149c37c0c
--- /dev/null
+++ b/vm/proxyapp/proxyappclient_mocks_test.go
@@ -0,0 +1,45 @@
+// Copyright 2022 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package proxyapp
+
+//go:generate ../../tools/mockery.sh --name subProcessCmd --exported
+//go:generate ../../tools/mockery.sh --name ProxyAppInterface -r
+
+import (
+	"context"
+	"testing"
+
+	"github.com/google/syzkaller/vm/proxyapp/mocks"
+	"github.com/google/syzkaller/vm/proxyapp/proxyrpc"
+)
+
+var (
+	_ subProcessCmd              = &mocks.SubProcessCmd{}
+	_ proxyrpc.ProxyAppInterface = &mocks.ProxyAppInterface{}
+)
+
+type mockCommandRunner struct {
+	*mocks.SubProcessCmd
+	ctx          context.Context
+	onWaitCalled chan bool
+}
+
+func makeMockCommandRunner(t *testing.T) (*mockCommandRunner, *proxyAppParams) {
+	cmdRunner := &mockCommandRunner{
+		SubProcessCmd: mocks.NewSubProcessCmd(t),
+		onWaitCalled:  make(chan bool, 1),
+	}
+
+	params := makeTestParams()
+	params.CommandRunner = func(ctx context.Context, cmd string, params ...string) subProcessCmd {
+		cmdRunner.ctx = ctx
+		return cmdRunner
+	}
+	return cmdRunner, params
+}
+
+func (cmd *mockCommandRunner) Wait() error {
+	cmd.onWaitCalled <- true
+	return cmd.SubProcessCmd.Wait()
+}