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import Formats, { defaultColorMatches } from "./formats";
import fs from "fs";
import path from "path";
describe("Color matcher", () => {
it.each`
n | s1 | s2 | expected
${100} | ${75} | ${50} | ${"4c1"}
${75} | ${75} | ${50} | ${"4c1"}
${50} | ${75} | ${50} | ${"ec1"}
${0} | ${75} | ${50} | ${"e11"}
${51} | ${51} | ${50} | ${"4c1"}
${50} | ${51} | ${50} | ${"ec1"}
${0} | ${50} | ${1} | ${"e11"}
${100} | ${100} | ${0} | ${"4c1"}
${0} | ${100} | ${0} | ${"ec1"}
${70} | ${70} | ${60} | ${"4c1"}
${69} | ${70} | ${60} | ${"5c1"}
${68} | ${70} | ${60} | ${"6c1"}
${67} | ${70} | ${60} | ${"7c1"}
${66} | ${70} | ${60} | ${"8c1"}
${65} | ${70} | ${60} | ${"9c1"}
${64} | ${70} | ${60} | ${"ac1"}
${63} | ${70} | ${60} | ${"bc1"}
${62} | ${70} | ${60} | ${"cc1"}
${61} | ${70} | ${60} | ${"dc1"}
${60} | ${70} | ${60} | ${"ec1"}
${11} | ${75} | ${11} | ${"ec1"}
${10} | ${75} | ${11} | ${"eb1"}
${9} | ${75} | ${11} | ${"ea1"}
${8} | ${75} | ${11} | ${"e91"}
${7} | ${75} | ${11} | ${"e81"}
${6} | ${75} | ${11} | ${"e71"}
${5} | ${75} | ${11} | ${"e61"}
${4} | ${75} | ${11} | ${"e51"}
${3} | ${75} | ${11} | ${"e41"}
${2} | ${75} | ${11} | ${"e31"}
${1} | ${75} | ${11} | ${"e21"}
${0} | ${75} | ${11} | ${"e11"}
${51} | ${51} | ${11} | ${"4c1"}
${50} | ${51} | ${11} | ${"4c1"}
${49} | ${51} | ${11} | ${"4c1"}
${48} | ${51} | ${11} | ${"4c1"}
${47} | ${51} | ${11} | ${"5c1"}
${46} | ${51} | ${11} | ${"5c1"}
${45} | ${51} | ${11} | ${"5c1"}
${44} | ${51} | ${11} | ${"5c1"}
${43} | ${51} | ${11} | ${"6c1"}
${39} | ${51} | ${11} | ${"7c1"}
${35} | ${51} | ${11} | ${"8c1"}
${31} | ${51} | ${11} | ${"9c1"}
${27} | ${51} | ${11} | ${"ac1"}
${23} | ${51} | ${11} | ${"bc1"}
${19} | ${51} | ${11} | ${"cc1"}
${15} | ${51} | ${11} | ${"dc1"}
${11} | ${51} | ${11} | ${"ec1"}
`("should return $expected at $n%", ({ n, s1, s2, expected }) => {
// Arrange
const gradient = { stage1: s1, stage2: s2 };
// Act
const result = defaultColorMatches(n, gradient);
// Assert
expect(result).toEqual(expected);
});
});
describe("Formats object", () => {
it("should list the available formats", () => {
// Arrange
// Act
const result = Formats.listFormats();
// Assert
expect(result).toEqual(["tarpaulin"]);
});
it("should return the requested format", () => {
// Arrange
// Act
const result = Formats.getFormat("tarpaulin");
// Assert
expect(result).toBeDefined();
expect(result.matchColor).toBeInstanceOf(Function);
expect(result.parseCoverage).toBeInstanceOf(Function);
});
});
describe("Tarpaulin format", () => {
const reportPath = (file: string): string =>
path.join(__dirname, "..", "example_reports", file);
it("should use the default color matcher", () => {
// Arrange
const format = Formats.getFormat("tarpaulin");
// Act
const matcher = format.matchColor;
// Assert
expect(matcher).toEqual(defaultColorMatches);
});
it("should parse coverage from a normal tarpaulin file", () => {
// Arrange
const file = fs.readFileSync(reportPath("tarpaulin-report.html"), "utf-8");
const format = Formats.getFormat("tarpaulin");
// Act
const result = format.parseCoverage(file);
// Assert
expect(typeof result).toEqual("number");
if (typeof result === "number") {
// 96.17% is the result given in the document itself
expect(result.toFixed(2)).toEqual("96.17");
}
});
it("should parse coverage from an empty tarpaulin file", () => {
// Arrange
const file = fs.readFileSync(reportPath("tarpaulin-empty.html"), "utf-8");
const format = Formats.getFormat("tarpaulin");
// Act
const result = format.parseCoverage(file);
// Assert
expect(typeof result).toEqual("number");
if (typeof result === "number") {
expect(result.toFixed(2)).toEqual("0.00");
}
});
it("should return error when parsing coverage from invalid file", () => {
// Arrange
const file = fs.readFileSync(reportPath("tarpaulin-invalid.html"), "utf-8");
const format = Formats.getFormat("tarpaulin");
// Act
const result = format.parseCoverage(file);
// Assert
expect(typeof result).not.toEqual("number");
if (typeof result !== "number") {
expect(result.message).toEqual("Invalid report document");
}
});
});
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