adding tests for Detect struct in collector. Adding ability to mock out exec.Command calls.

collector/pkg/common/shell/mock/mock_shell.go

@@ -0,0 +1,50 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: collector/pkg/common/shell/interface.go
+
+// Package mock_shell is a generated GoMock package.
+package mock_shell
+
+import (
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+	logrus "github.com/sirupsen/logrus"
+)
+
+// MockInterface is a mock of Interface interface.
+type MockInterface struct {
+	ctrl     *gomock.Controller
+	recorder *MockInterfaceMockRecorder
+}
+
+// MockInterfaceMockRecorder is the mock recorder for MockInterface.
+type MockInterfaceMockRecorder struct {
+	mock *MockInterface
+}
+
+// NewMockInterface creates a new mock instance.
+func NewMockInterface(ctrl *gomock.Controller) *MockInterface {
+	mock := &MockInterface{ctrl: ctrl}
+	mock.recorder = &MockInterfaceMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockInterface) EXPECT() *MockInterfaceMockRecorder {
+	return m.recorder
+}
+
+// Command mocks base method.
+func (m *MockInterface) Command(logger *logrus.Entry, cmdName string, cmdArgs []string, workingDir string, environ []string) (string, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Command", logger, cmdName, cmdArgs, workingDir, environ)
+	ret0, _ := ret[0].(string)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Command indicates an expected call of Command.
+func (mr *MockInterfaceMockRecorder) Command(logger, cmdName, cmdArgs, workingDir, environ interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Command", reflect.TypeOf((*MockInterface)(nil).Command), logger, cmdName, cmdArgs, workingDir, environ)
+}