telegraf/plugins/inputs/filecount/filecount_test.go

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package filecount
import (
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"time"
"github.com/influxdata/telegraf/internal"
"github.com/influxdata/telegraf/testutil"
"github.com/stretchr/testify/require"
)
func TestNoFilters(t *testing.T) {
fc := getNoFilterFileCount("*")
matches := []string{"foo", "bar", "baz", "qux", "subdir/", "subdir/quux", "subdir/quuz"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
}
func TestNoFiltersOnChildDir(t *testing.T) {
fc := getNoFilterFileCount("testdata/*")
matches := []string{"subdir/quux", "subdir/quuz"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata/subdir", len(matches)))
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}
func TestNameFilter(t *testing.T) {
fc := getNoFilterFileCount("testdata")
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fc.Name = "ba*"
matches := []string{"bar", "baz"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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}
func TestNonRecursive(t *testing.T) {
fc := getNoFilterFileCount("testdata")
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fc.Recursive = false
matches := []string{"foo", "bar", "baz", "qux", "subdir"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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}
func TestRegularOnlyFilter(t *testing.T) {
fc := getNoFilterFileCount("testdata")
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fc.RegularOnly = true
matches := []string{
"foo", "bar", "baz", "qux", "subdir/quux", "subdir/quuz",
}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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}
func TestSizeFilter(t *testing.T) {
fc := getNoFilterFileCount("testdata")
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fc.Size = -100
matches := []string{"foo", "bar", "baz", "subdir/quux", "subdir/quuz"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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fc.Size = 100
matches = []string{"qux"}
acc = testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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}
func TestMTimeFilter(t *testing.T) {
oldFile := filepath.Join(getTestdataDir("testdata"), "baz")
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mtime := time.Date(1979, time.December, 14, 18, 25, 5, 0, time.UTC)
if err := os.Chtimes(oldFile, mtime, mtime); err != nil {
t.Skip("skipping mtime filter test.")
}
fileAge := time.Since(mtime) - (60 * time.Second)
fc := getNoFilterFileCount("testdata")
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fc.MTime = internal.Duration{Duration: -fileAge}
matches := []string{"foo", "bar", "qux", "subdir/", "subdir/quux", "subdir/quuz"}
acc := testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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fc.MTime = internal.Duration{Duration: fileAge}
matches = []string{"baz"}
acc = testutil.Accumulator{}
acc.GatherError(fc.Gather)
require.True(t, assertFileCount(&acc, "testdata", len(matches)))
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}
func getNoFilterFileCount(dir string) FileCount {
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return FileCount{
Directories: []string{getTestdataDir(dir)},
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Name: "*",
Recursive: true,
RegularOnly: false,
Size: 0,
MTime: internal.Duration{Duration: 0},
fileFilters: nil,
}
}
func getTestdataDir(dir string) string {
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_, filename, _, _ := runtime.Caller(1)
return strings.Replace(filename, "filecount_test.go", dir, 1)
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}
func assertFileCount(acc *testutil.Accumulator, expectedDir string, expectedCount int) bool {
tags := map[string]string{"directory": getTestdataDir(expectedDir)}
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return acc.HasPoint("filecount", tags, "count", int64(expectedCount))
}