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telegraf/migrations/inputs_io/migration_test.go

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package inputs_io_test
import (
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
"github.com/influxdata/telegraf/config"
_ "github.com/influxdata/telegraf/migrations/inputs_io" // register migration
_ "github.com/influxdata/telegraf/plugins/inputs/diskio" // register plugin
)
func TestCases(t *testing.T) {
// Get all directories in testdata
folders, err := os.ReadDir("testcases")
require.NoError(t, err)
for _, f := range folders {
// Only handle folders
if !f.IsDir() {
continue
}
t.Run(f.Name(), func(t *testing.T) {
testcasePath := filepath.Join("testcases", f.Name())
inputFile := filepath.Join(testcasePath, "telegraf.conf")
expectedFile := filepath.Join(testcasePath, "expected.conf")
// Read the expected output
expected := config.NewConfig()
require.NoError(t, expected.LoadConfig(expectedFile))
require.NotEmpty(t, expected.Inputs)
// Read the input data
input, remote, err := config.LoadConfigFile(inputFile)
require.NoError(t, err)
require.False(t, remote)
require.NotEmpty(t, input)
// Migrate
output, n, err := config.ApplyMigrations(input)
require.NoError(t, err)
require.NotEmpty(t, output)
require.GreaterOrEqual(t, n, uint64(1))
actual := config.NewConfig()
require.NoError(t, actual.LoadConfigData(output, config.EmptySourcePath))
// Test the output
require.Len(t, actual.Inputs, len(expected.Inputs))
actualIDs := make([]string, 0, len(expected.Inputs))
expectedIDs := make([]string, 0, len(expected.Inputs))
for i := range actual.Inputs {
actualIDs = append(actualIDs, actual.Inputs[i].ID())
expectedIDs = append(expectedIDs, expected.Inputs[i].ID())
}
require.ElementsMatch(t, expectedIDs, actualIDs, string(output))
})
}
}