mirror of
https://github.com/mainflux/mainflux.git
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880e193b0a
* Implement errors package in senml transformer, readers and writers Signed-off-by: Ivan Milošević <iva@blokovi.com> * Remove unused const Return wrapped error in postgres writer Signed-off-by: Ivan Milošević <iva@blokovi.com> * fix default db host in postgres writer Signed-off-by: Ivan Milošević <iva@blokovi.com> * fix capital letters in errors messages Signed-off-by: Ivan Milošević <iva@blokovi.com> * use svcName instead of postgres for Promethius initialization Signed-off-by: Ivan Milošević <iva@blokovi.com>
109 lines
3.4 KiB
Go
109 lines
3.4 KiB
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package senml_test
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import (
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"encoding/hex"
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"fmt"
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"testing"
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"github.com/mainflux/mainflux/broker"
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"github.com/mainflux/mainflux/errors"
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"github.com/mainflux/mainflux/transformers/senml"
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mfsenml "github.com/mainflux/senml"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestTransform(t *testing.T) {
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// Following hex-encoded bytes correspond to the content of:
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// [{-2: "base-name", -3: 100.0, -4: "base-unit", -1: 10, -5: 10.0, -6: 100.0, 0: "name", 1: "unit", 6: 300.0, 7: 150.0, 2: 42.0, 5: 10.0}]
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// For more details for mapping SenML labels to integers, please take a look here: https://tools.ietf.org/html/rfc8428#page-19.
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cborBytes, err := hex.DecodeString("81ac2169626173652d6e616d6522fb40590000000000002369626173652d756e6974200a24fb402400000000000025fb405900000000000000646e616d650164756e697406fb4072c0000000000007fb4062c0000000000002fb404500000000000005fb4024000000000000")
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require.Nil(t, err, "Decoding CBOR expected to succeed")
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jsonBytes, err := hex.DecodeString("5b7b22626e223a22626173652d6e616d65222c226274223a3130302c226275223a22626173652d756e6974222c2262766572223a31302c226276223a31302c226273223a3130302c226e223a226e616d65222c2275223a22756e6974222c2274223a3330302c227574223a3135302c2276223a34322c2273223a31307d5d")
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require.Nil(t, err, "Decoding CBOR expected to succeed")
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tooManyBytes, err := hex.DecodeString("82AD2169626173652D6E616D6522F956402369626173652D756E6974200A24F9490025F9564000646E616D650164756E697406F95CB0036331323307F958B002F9514005F94900AA2169626173652D6E616D6522F956402369626173652D756E6974200A24F9490025F9564000646E616D6506F95CB007F958B005F94900")
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require.Nil(t, err, "Decoding CBOR expected to succeed")
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tr := senml.New()
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msg := broker.Message{
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Channel: "channel",
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Subtopic: "subtopic",
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Publisher: "publisher",
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Protocol: "protocol",
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Payload: jsonBytes,
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}
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// 82AD2169626173652D6E616D6522F956402369626173652D756E6974200A24F9490025F9564000646E616D650164756E697406F95CB0036331323307F958B002F9514005F94900AA2169626173652D6E616D6522F956402369626173652D756E6974200A24F9490025F9564000646E616D6506F95CB007F958B005F94900
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jsonPld := msg
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jsonPld.ContentType = senml.JSON
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jsonPld.Payload = jsonBytes
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cborPld := msg
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cborPld.ContentType = senml.CBOR
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cborPld.Payload = cborBytes
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tooManyMsg := msg
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tooManyMsg.ContentType = senml.CBOR
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tooManyMsg.Payload = tooManyBytes
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val := 52.0
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sum := 110.0
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msgs := []senml.Message{senml.Message{
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Channel: "channel",
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Subtopic: "subtopic",
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Publisher: "publisher",
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Protocol: "protocol",
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Name: "base-namename",
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Unit: "unit",
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Time: 400,
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UpdateTime: 150,
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Value: &val,
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Sum: &sum,
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},
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}
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cases := []struct {
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desc string
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msg broker.Message
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msgs interface{}
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err error
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}{
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{
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desc: "test normalize CBOR",
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msg: cborPld,
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msgs: msgs,
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err: nil,
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},
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{
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desc: "test normalize JSON",
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msg: jsonPld,
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msgs: msgs,
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err: nil,
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},
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{
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desc: "test normalize defaults to JSON",
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msg: msg,
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msgs: msgs,
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err: nil,
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},
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{
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desc: "test invalid payload",
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msg: tooManyMsg,
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msgs: nil,
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err: mfsenml.ErrTooManyValues,
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},
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}
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for _, tc := range cases {
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msgs, err := tr.Transform(tc.msg)
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assert.Equal(t, tc.msgs, msgs, fmt.Sprintf("%s expected %v, got %v", tc.desc, tc.msgs, msgs))
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assert.True(t, errors.Contains(err, tc.err), fmt.Sprintf("%s expected %s, got %s", tc.desc, tc.err, err))
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}
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}
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