text-chopper
Version:
Chop a large text to array
71 lines • 2.66 kB
JavaScript
;
const assert = require("chai").assert;
const TextLineBuffer = require("../lib/text-line-buffer.js");
describe("TextLineBuffer", () => {
describe(".getRowByteSizeOf", () => {
it("should add a CR-LF to EOL and return a byte length of the text, when it does not exist", () => {
assert.equal(TextLineBuffer.getRowByteSizeOf("ABC"), 5);
});
it("should return a byte length of the text if it has CR-LF at EOL", () => {
assert.equal(TextLineBuffer.getRowByteSizeOf("ABC\r\n"), 5);
});
})
describe("#push", ()=> {
describe("#getByteSize", ()=> {
it("should count a byte length", () => {
const buf = new TextLineBuffer();
buf.push("ABC");
assert.equal(buf.getByteSize(), 5);
buf.push("ABC");
assert.equal(buf.getByteSize(), 10);
});
it("should not add extra CR-LF", () => {
const buf = new TextLineBuffer();
buf.push("ABC\r\n");
assert.equal(buf.getByteSize(), 5);
buf.push("ABC\r\n");
assert.equal(buf.getByteSize(), 10);
});
});
describe("#toString", ()=> {
it("should count a byte length", () => {
const buf = new TextLineBuffer();
buf.push("ABC");
buf.push("DEF");
assert.equal(buf.toString(), "ABC\r\nDEF\r\n");
});
it("should not add extra CR-LF", () => {
const buf = new TextLineBuffer();
buf.push("ABC\r\n");
buf.push("DEF\r\n");
assert.equal(buf.toString(), "ABC\r\nDEF\r\n");
});
});
});
describe("#clear", ()=> {
it("should clear a byte length", () => {
const buf = new TextLineBuffer();
buf.push("ABC");
buf.push("DEF");
buf.clear();
assert.equal(buf.getByteSize(), 0);
});
});
describe("#isEmpty", ()=> {
it("should return true after constructed", () => {
const buf = new TextLineBuffer();
assert.isTrue(buf.isEmpty());
});
it("should return false after pushed", () => {
const buf = new TextLineBuffer();
buf.push("ABC");
assert.isFalse(buf.isEmpty());
});
it("should return true after cleared", () => {
const buf = new TextLineBuffer();
buf.push("ABC");
buf.clear();
assert.isTrue(buf.isEmpty());
});
});
});