github.com/minio/mc@v0.0.0-20240507152021-646712d5e5fb/pkg/probe/probe_test.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package probe_test
    19  
    20  import (
    21  	"os"
    22  	"testing"
    23  
    24  	"github.com/minio/mc/pkg/probe"
    25  	check "gopkg.in/check.v1"
    26  )
    27  
    28  func Test(t *testing.T) { check.TestingT(t) }
    29  
    30  type MySuite struct{}
    31  
    32  var _ = check.Suite(&MySuite{})
    33  
    34  func testDummy0() *probe.Error {
    35  	_, e := os.Stat("this-file-cannot-exit")
    36  	return probe.NewError(e)
    37  }
    38  
    39  func testDummy1() *probe.Error {
    40  	return testDummy0().Trace("DummyTag1")
    41  }
    42  
    43  func testDummy2() *probe.Error {
    44  	return testDummy1().Trace("DummyTag2")
    45  }
    46  
    47  func (s *MySuite) TestProbe(c *check.C) {
    48  	probe.Init() // Set project's root source path.
    49  	probe.SetAppInfo("Commit-ID", "7390cc957239")
    50  	es := testDummy2().Trace("TopOfStack")
    51  	// Uncomment the following Println to visually test probe call trace.
    52  	// fmt.Println("Expecting a simulated error here.", es)
    53  	c.Assert(es, check.Not(check.Equals), nil)
    54  
    55  	newES := es.Trace()
    56  	c.Assert(newES, check.Not(check.Equals), nil)
    57  }
    58  
    59  func (s *MySuite) TestWrappedError(c *check.C) {
    60  	_, e := os.Stat("this-file-cannot-exit")
    61  	es := probe.NewError(e) // *probe.Error
    62  	e = probe.WrapError(es) // *probe.WrappedError
    63  	_, ok := probe.UnwrapError(e)
    64  	c.Assert(ok, check.Equals, true)
    65  }