telegraf/plugins/inputs/filecount/filecount_test.go

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package filecount
import (
"os"
"path/filepath"
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"runtime"
"strings"
"testing"
"time"
"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/internal"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
func TestNoFilters(t *testing.T) {
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fc := getNoFilterFileCount()
matches := []string{"foo", "bar", "baz", "qux",
"subdir/", "subdir/quux", "subdir/quuz",
"subdir/nested2", "subdir/nested2/qux"}
fileCountEquals(t, fc, len(matches), 5096)
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}
func TestNoFiltersOnChildDir(t *testing.T) {
fc := getNoFilterFileCount()
fc.Directories = []string{getTestdataDir() + "/*"}
matches := []string{"subdir/quux", "subdir/quuz",
"subdir/nested2/qux", "subdir/nested2"}
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tags := map[string]string{"directory": getTestdataDir() + "/subdir"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
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require.True(t, acc.HasPoint("filecount", tags, "count", int64(len(matches))))
require.True(t, acc.HasPoint("filecount", tags, "size_bytes", int64(600)))
}
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func TestNoRecursiveButSuperMeta(t *testing.T) {
fc := getNoFilterFileCount()
fc.Recursive = false
fc.Directories = []string{getTestdataDir() + "/**"}
matches := []string{"subdir/quux", "subdir/quuz", "subdir/nested2"}
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tags := map[string]string{"directory": getTestdataDir() + "/subdir"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
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require.True(t, acc.HasPoint("filecount", tags, "count", int64(len(matches))))
require.True(t, acc.HasPoint("filecount", tags, "size_bytes", int64(200)))
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}
func TestNameFilter(t *testing.T) {
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fc := getNoFilterFileCount()
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fc.Name = "ba*"
matches := []string{"bar", "baz"}
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fileCountEquals(t, fc, len(matches), 0)
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}
func TestNonRecursive(t *testing.T) {
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fc := getNoFilterFileCount()
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fc.Recursive = false
matches := []string{"foo", "bar", "baz", "qux", "subdir"}
fileCountEquals(t, fc, len(matches), 4496)
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}
func TestDoubleAndSimpleStar(t *testing.T) {
fc := getNoFilterFileCount()
fc.Directories = []string{getTestdataDir() + "/**/*"}
matches := []string{"qux"}
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tags := map[string]string{"directory": getTestdataDir() + "/subdir/nested2"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
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require.True(t, acc.HasPoint("filecount", tags, "count", int64(len(matches))))
require.True(t, acc.HasPoint("filecount", tags, "size_bytes", int64(400)))
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}
func TestRegularOnlyFilter(t *testing.T) {
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fc := getNoFilterFileCount()
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fc.RegularOnly = true
matches := []string{
"foo", "bar", "baz", "qux", "subdir/quux", "subdir/quuz",
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"subdir/nested2/qux"}
fileCountEquals(t, fc, len(matches), 800)
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}
func TestSizeFilter(t *testing.T) {
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fc := getNoFilterFileCount()
fc.Size = internal.Size{Size: -100}
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matches := []string{"foo", "bar", "baz",
"subdir/quux", "subdir/quuz"}
fileCountEquals(t, fc, len(matches), 0)
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fc.Size = internal.Size{Size: 100}
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matches = []string{"qux", "subdir/nested2//qux"}
fileCountEquals(t, fc, len(matches), 800)
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}
func TestMTimeFilter(t *testing.T) {
mtime := time.Date(2011, time.December, 14, 18, 25, 5, 0, time.UTC)
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fileAge := time.Since(mtime) - (60 * time.Second)
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fc := getNoFilterFileCount()
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fc.MTime = internal.Duration{Duration: -fileAge}
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matches := []string{"foo", "bar", "qux",
"subdir/", "subdir/quux", "subdir/quuz",
"subdir/nested2", "subdir/nested2/qux"}
fileCountEquals(t, fc, len(matches), 5096)
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fc.MTime = internal.Duration{Duration: fileAge}
matches = []string{"baz"}
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fileCountEquals(t, fc, len(matches), 0)
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}
// Paths with a trailing slash will not exactly match paths produced during the
// walk as these paths are cleaned before being returned from godirwalk. #6329
func TestDirectoryWithTrailingSlash(t *testing.T) {
plugin := &FileCount{
Directories: []string{getTestdataDir() + string(filepath.Separator)},
Name: "*",
Recursive: true,
Fs: getFakeFileSystem(getTestdataDir()),
}
var acc testutil.Accumulator
err := plugin.Gather(&acc)
require.NoError(t, err)
expected := []telegraf.Metric{
testutil.MustMetric(
"filecount",
map[string]string{
"directory": getTestdataDir(),
},
map[string]interface{}{
"count": 9,
"size_bytes": 5096,
},
time.Unix(0, 0),
),
}
testutil.RequireMetricsEqual(t, expected, acc.GetTelegrafMetrics(), testutil.IgnoreTime())
}
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func getNoFilterFileCount() FileCount {
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return FileCount{
Log: testutil.Logger{},
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Directories: []string{getTestdataDir()},
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Name: "*",
Recursive: true,
RegularOnly: false,
Size: internal.Size{Size: 0},
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MTime: internal.Duration{Duration: 0},
fileFilters: nil,
Fs: getFakeFileSystem(getTestdataDir()),
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}
}
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func getTestdataDir() string {
dir, err := os.Getwd()
if err != nil {
// if we cannot even establish the test directory, further progress is meaningless
panic(err)
}
var chunks []string
var testDirectory string
if runtime.GOOS == "windows" {
chunks = strings.Split(dir, "\\")
testDirectory = strings.Join(chunks[:], "\\") + "\\testdata"
} else {
chunks = strings.Split(dir, "/")
testDirectory = strings.Join(chunks[:], "/") + "/testdata"
}
return testDirectory
}
func getFakeFileSystem(basePath string) fakeFileSystem {
// create our desired "filesystem" object, complete with an internal map allowing our funcs to return meta data as requested
mtime := time.Date(2015, time.December, 14, 18, 25, 5, 0, time.UTC)
olderMtime := time.Date(2010, time.December, 14, 18, 25, 5, 0, time.UTC)
// set file permisions
var fmask uint32 = 0666
var dmask uint32 = 0666
// set directory bit
dmask |= (1 << uint(32-1))
// create a lookup map for getting "files" from the "filesystem"
fileList := map[string]fakeFileInfo{
basePath: {name: "testdata", size: int64(4096), filemode: uint32(dmask), modtime: mtime, isdir: true},
basePath + "/foo": {name: "foo", filemode: uint32(fmask), modtime: mtime},
basePath + "/bar": {name: "bar", filemode: uint32(fmask), modtime: mtime},
basePath + "/baz": {name: "baz", filemode: uint32(fmask), modtime: olderMtime},
basePath + "/qux": {name: "qux", size: int64(400), filemode: uint32(fmask), modtime: mtime},
basePath + "/subdir": {name: "subdir", size: int64(4096), filemode: uint32(dmask), modtime: mtime, isdir: true},
basePath + "/subdir/quux": {name: "quux", filemode: uint32(fmask), modtime: mtime},
basePath + "/subdir/quuz": {name: "quuz", filemode: uint32(fmask), modtime: mtime},
basePath + "/subdir/nested2": {name: "nested2", size: int64(200), filemode: uint32(dmask), modtime: mtime, isdir: true},
basePath + "/subdir/nested2/qux": {name: "qux", filemode: uint32(fmask), modtime: mtime, size: int64(400)},
}
fs := fakeFileSystem{files: fileList}
return fs
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}
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func fileCountEquals(t *testing.T, fc FileCount, expectedCount int, expectedSize int) {
tags := map[string]string{"directory": getTestdataDir()}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, acc.HasPoint("filecount", tags, "count", int64(expectedCount)))
require.True(t, acc.HasPoint("filecount", tags, "size_bytes", int64(expectedSize)))
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}