github.phpd.cn/thought-machine/please@v12.2.0+incompatible/src/parse/asp/logging_test.go (about)

     1  // Tests on the logging functionality. These are kept separate because we
     2  // hijack the logger backend to test it which makes it hard to follow what's
     3  // going on for other tests.
     4  
     5  package asp
     6  
     7  import (
     8  	"testing"
     9  
    10  	"github.com/stretchr/testify/assert"
    11  	"github.com/stretchr/testify/require"
    12  	"gopkg.in/op/go-logging.v1"
    13  
    14  	"core"
    15  	"parse/rules"
    16  )
    17  
    18  type record struct {
    19  	Level logging.Level
    20  	Msg   string
    21  }
    22  
    23  func parseFile(filename string) (*scope, error) {
    24  	state := core.NewBuildState(1, nil, 4, core.DefaultConfiguration())
    25  	pkg := core.NewPackage("test/package")
    26  	pkg.Filename = "test/package/BUILD"
    27  	parser := NewParser(state)
    28  	parser.MustLoadBuiltins("builtins.build_defs", nil, rules.MustAsset("builtins.build_defs.gob"))
    29  	statements, err := parser.parse(filename)
    30  	if err != nil {
    31  		panic(err)
    32  	}
    33  	return parser.interpreter.interpretAll(pkg, statements)
    34  }
    35  
    36  // assertRecords asserts equality of a series of logging records.
    37  func assertRecords(t *testing.T, backend *logging.MemoryBackend, expected []record) {
    38  	actual := []record{}
    39  	for node := backend.Head(); node != nil; node = node.Next() {
    40  		actual = append(actual, record{node.Record.Level, node.Record.Message()})
    41  	}
    42  	assert.Equal(t, expected, actual)
    43  }
    44  
    45  func TestLogNotice(t *testing.T) {
    46  	backend := logging.InitForTesting(logging.NOTICE)
    47  	_, err := parseFile("src/parse/asp/test_data/interpreter/log.build")
    48  	require.NoError(t, err)
    49  	assertRecords(t, backend, []record{
    50  		{logging.NOTICE, "//test/package/BUILD: notice"},
    51  		{logging.WARNING, "//test/package/BUILD: warning"},
    52  		{logging.ERROR, "//test/package/BUILD: error"},
    53  	})
    54  }
    55  
    56  func TestLogInfo(t *testing.T) {
    57  	// N.B. we don't test at DEBUG because then other things get logged from the parser.
    58  	backend := logging.InitForTesting(logging.INFO)
    59  	_, err := parseFile("src/parse/asp/test_data/interpreter/log.build")
    60  	require.NoError(t, err)
    61  	assertRecords(t, backend, []record{
    62  		{logging.INFO, "//test/package/BUILD: info"},
    63  		{logging.NOTICE, "//test/package/BUILD: notice"},
    64  		{logging.WARNING, "//test/package/BUILD: warning"},
    65  		{logging.ERROR, "//test/package/BUILD: error"},
    66  	})
    67  }