Add input plugin for OpenLDAP (#2612)

plugins/inputs/openldap/openldap_test.go

@@ -0,0 +1,150 @@
+package openldap
+
+import (
+	"gopkg.in/ldap.v2"
+	"strconv"
+	"testing"
+
+	"github.com/influxdata/telegraf/testutil"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestOpenldapMockResult(t *testing.T) {
+	var acc testutil.Accumulator
+
+	mockSearchResult := ldap.SearchResult{
+		Entries: []*ldap.Entry{
+			{
+				DN:         "cn=Total,cn=Connections,cn=Monitor",
+				Attributes: []*ldap.EntryAttribute{{Name: "monitorCounter", Values: []string{"1"}}},
+			},
+		},
+		Referrals: []string{},
+		Controls:  []ldap.Control{},
+	}
+
+	o := &Openldap{
+		Host: "localhost",
+		Port: 389,
+	}
+
+	gatherSearchResult(&mockSearchResult, o, &acc)
+	commonTests(t, o, &acc)
+}
+
+func TestOpenldapNoConnection(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host: "nosuchhost",
+		Port: 389,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)        // test that we didn't return an error
+	assert.Zero(t, acc.NFields())  // test that we didn't return any fields
+	assert.NotEmpty(t, acc.Errors) // test that we set an error
+}
+
+func TestOpenldapGeneratesMetrics(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host: testutil.GetLocalHost(),
+		Port: 389,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)
+	commonTests(t, o, &acc)
+}
+
+func TestOpenldapStartTLS(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host:               testutil.GetLocalHost(),
+		Port:               389,
+		Ssl:                "starttls",
+		InsecureSkipVerify: true,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)
+	commonTests(t, o, &acc)
+}
+
+func TestOpenldapLDAPS(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host:               testutil.GetLocalHost(),
+		Port:               636,
+		Ssl:                "ldaps",
+		InsecureSkipVerify: true,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)
+	commonTests(t, o, &acc)
+}
+
+func TestOpenldapInvalidSSL(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host:               testutil.GetLocalHost(),
+		Port:               636,
+		Ssl:                "invalid",
+		InsecureSkipVerify: true,
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)        // test that we didn't return an error
+	assert.Zero(t, acc.NFields())  // test that we didn't return any fields
+	assert.NotEmpty(t, acc.Errors) // test that we set an error
+}
+
+func TestOpenldapBind(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	o := &Openldap{
+		Host:               testutil.GetLocalHost(),
+		Port:               389,
+		Ssl:                "",
+		InsecureSkipVerify: true,
+		BindDn:             "cn=manager,cn=config",
+		BindPassword:       "secret",
+	}
+
+	var acc testutil.Accumulator
+	err := o.Gather(&acc)
+	require.NoError(t, err)
+	commonTests(t, o, &acc)
+}
+
+func commonTests(t *testing.T, o *Openldap, acc *testutil.Accumulator) {
+	assert.Empty(t, acc.Errors, "accumulator had no errors")
+	assert.True(t, acc.HasMeasurement("openldap"), "Has a measurement called 'openldap'")
+	assert.Equal(t, o.Host, acc.TagValue("openldap", "server"), "Has a tag value of server=o.Host")
+	assert.Equal(t, strconv.Itoa(o.Port), acc.TagValue("openldap", "port"), "Has a tag value of port=o.Port")
+	assert.True(t, acc.HasInt64Field("openldap", "total_connections"), "Has an integer field called total_connections")
+}