115 lines
3.3 KiB
Go
115 lines
3.3 KiB
Go
package neoom_beaam
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import (
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"sort"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/plugins/inputs"
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"github.com/influxdata/telegraf/plugins/parsers/influx"
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"github.com/influxdata/telegraf/testutil"
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)
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func TestCases(t *testing.T) {
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// Get all directories in testdata
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folders, err := os.ReadDir("testcases")
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require.NoError(t, err)
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// Register the plugin
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inputs.Add("neoom_beaam", func() telegraf.Input {
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return &NeoomBeaam{}
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})
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// Prepare the influx parser for expectations
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parser := &influx.Parser{}
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require.NoError(t, parser.Init())
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for _, f := range folders {
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// Only handle folders
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if !f.IsDir() {
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continue
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}
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testcasePath := filepath.Join("testcases", f.Name())
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configFilename := filepath.Join(testcasePath, "telegraf.conf")
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inputFiles := filepath.Join(testcasePath, "*.json")
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expectedFilename := filepath.Join(testcasePath, "expected.out")
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expectedErrorFilename := filepath.Join(testcasePath, "expected.err")
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t.Run(f.Name(), func(t *testing.T) {
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// Read the input data
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matches, err := filepath.Glob(inputFiles)
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require.NoError(t, err)
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require.NotEmpty(t, matches)
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sort.Strings(matches)
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endpoints := make(map[string][]byte, len(matches))
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for _, fn := range matches {
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buf, err := os.ReadFile(fn)
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require.NoError(t, err)
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key := strings.TrimSuffix(filepath.Base(fn), filepath.Ext(fn))
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if strings.HasPrefix(key, "thing_") {
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endpoints["/api/v1/things/"+strings.TrimPrefix(key, "thing_")+"/states"] = buf
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} else {
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endpoints["/api/v1/site/"+key] = buf
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}
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}
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// Read the expected output if any
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var expected []telegraf.Metric
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if _, err := os.Stat(expectedFilename); err == nil {
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var err error
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expected, err = testutil.ParseMetricsFromFile(expectedFilename, parser)
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require.NoError(t, err)
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}
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// Read the expected output if any
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var expectedErrors []string
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if _, err := os.Stat(expectedErrorFilename); err == nil {
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var err error
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expectedErrors, err = testutil.ParseLinesFromFile(expectedErrorFilename)
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require.NoError(t, err)
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require.NotEmpty(t, expectedErrors)
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}
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// Create a fake API server
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if msg, ok := endpoints[r.URL.Path]; ok {
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if _, err := w.Write(msg); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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}
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer server.Close()
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// Load the configuration
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cfg := config.NewConfig()
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require.NoError(t, cfg.LoadConfig(configFilename))
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require.Len(t, cfg.Inputs, 1)
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// Setup and start the plugin
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plugin := cfg.Inputs[0].Input.(*NeoomBeaam)
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plugin.Address = server.URL
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require.NoError(t, plugin.Init())
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require.NoError(t, plugin.Start(nil))
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defer plugin.Stop()
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// Gather the data
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var acc testutil.Accumulator
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require.NoError(t, plugin.Gather(&acc))
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require.Empty(t, acc.Errors)
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// Check the metric nevertheless as we might get some metrics despite errors.
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actual := acc.GetTelegrafMetrics()
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testutil.RequireMetricsEqual(t, expected, actual, testutil.SortMetrics())
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})
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}
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}
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