95 lines
3.6 KiB
JavaScript
95 lines
3.6 KiB
JavaScript
const smpp = require("smpp");
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const { splitToParts, verifyExists, getCharacterSizeForEncoding } = require("../utils");
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describe("splitToParts", () => {
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// A pdu is expected to be one part if it has less than 160 characters and is encoded using GSM7 (data_coding = null or 0)
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// Given a pdu with short_message length less than 160 chars, it should return an array with a single pdu.
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it("should return an array with a single pdu when short_message length is less than or equal to maxMessageSizeBits", () => {
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const pdu = new smpp.PDU("deliver_sm", {
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short_message: "test message",
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});
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const result = splitToParts(pdu);
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expect(result.length).toBe(1);
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});
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// Given a pdu with short_message length greater than 160 chars, it should return an array with 2 pdus.
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it("should return an array with two pdus when short_message length is greater than maxMessageSizeBits and less than or equal to maxMessageSizeBits * 2", () => {
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const pdu = new smpp.PDU("deliver_sm", {
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short_message: "c".repeat(200),
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});
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const result = splitToParts(pdu);
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expect(result.length).toBe(2);
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});
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// Given a pdu with short_message length greater than 320 chars, it should return an array with 2 pdus.
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it("should return an array with three pdus when short_message length is greater than maxMessageSizeBits * 2 and less than or equal to maxMessageSizeBits * 3", () => {
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const pdu = new smpp.PDU("deliver_sm", {
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short_message: "c".repeat(400),
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});
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const result = splitToParts(pdu);
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expect(result.length).toBe(3);
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});
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// Given a pdu with short_message length equal to 0, it should return an empty array.
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it("should return an empty array when short_message length is equal to 0", () => {
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const pdu = new smpp.PDU("deliver_sm", {
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short_message: "",
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});
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const result = splitToParts(pdu);
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expect(result.length).toBe(0);
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});
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// Given a pdu with short_message length equal to 320, it should return an array with two pdus.
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it("should return an array with two pdus when short_message length is equal to maxMessageSizeBits", () => {
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const pdu = new smpp.PDU("deliver_sm", {
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short_message: "c".repeat(320),
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});
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const result = splitToParts(pdu);
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expect(result.length).toBe(2);
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});
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});
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describe("getCharacterSizeForEncoding", () => {
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// Returns 7 when data_coding is 0
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it("should return 7 when data_coding is 0", () => {
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const pdu = { data_coding: 0 };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(7);
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});
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// Returns 8 when data_coding is 1
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it("should return 8 when data_coding is 1", () => {
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const pdu = { data_coding: 1 };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(8);
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});
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// Returns 16 when data_coding is 8
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it("should return 16 when data_coding is 8", () => {
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const pdu = { data_coding: 8 };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(16);
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});
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// Returns 7 when data_coding is null
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it("should return 0 when data_coding is null", () => {
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const pdu = { data_coding: null };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(7);
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});
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// Returns 0 when data_coding is not a number
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it("should return 0 when data_coding is not a number", () => {
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const pdu = { data_coding: "abc" };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(0);
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});
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// Returns 0 when data_coding is negative
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it("should return 0 when data_coding is negative", () => {
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const pdu = { data_coding: -1 };
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const result = getCharacterSizeForEncoding(pdu);
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expect(result).toBe(0);
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});
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});
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