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index.test.js
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index.test.js
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import gitExecAndRestage from "../";
import TestEnvironment from "TestEnvironment";
import path from "path";
import flip from "invert-promise";
describe("git-exec-and-restage", () => {
const env = new TestEnvironment();
beforeEach(() => env.setup());
afterEach(() => env.cleanup());
it("no command, no args and no files staged", async () => {
await expect(gitExecAndRestage()).rejects.toMatchSnapshot();
});
it("with command, no args and no files", async () => {
await env.mockBin("prettier");
await gitExecAndRestage(["prettier"]);
expect(await env.log).toMatchSnapshot();
});
it("throws when command fails", async () => {
await env.mockBinError("prettier");
const error = await flip(gitExecAndRestage(["prettier"]));
expect(error.__isExpectedError).toBe(true);
expect(error.message).toMatchSnapshot();
});
it("with command and arguments, no files", async () => {
await env.mockBin("prettier");
await gitExecAndRestage(["prettier", "--write", "--"]);
expect(await env.log).toMatchSnapshot();
});
it("with command, arguments, fully staged file, no partials", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles(["fullystaged.js"]);
await gitExecAndRestage(["prettier", "--write", "--", "fullystaged.js"]);
expect(await env.log).toMatchSnapshot();
});
it("with command+args, mix of fully and partially staged files", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles(["fullystaged.js", "partiallystaged.js"]);
await env.setPartialFiles(["partiallystaged.js"]);
await gitExecAndRestage([
"prettier",
"--write",
"--",
"fullystaged.js",
"partiallystaged.js"
]);
expect(await env.log).toMatchSnapshot();
});
it("with command+args, files implicit", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles(["fullystaged.js", "partiallystaged.js"]);
await env.setPartialFiles(["partiallystaged.js"]);
await gitExecAndRestage(["prettier", "--write", "--"]);
expect(await env.log).toMatchSnapshot();
});
it("with command+args, files implicit with invalid HEAD", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles(
["fullystaged.js", "partiallystaged.js"],
true /* fail on HEAD */
);
await env.setPartialFiles(["partiallystaged.js"]);
await gitExecAndRestage(["prettier", "--write", "--"]);
expect(await env.log).toMatchSnapshot();
});
it("with command+args, pick one of multiple files", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles([
"fullystaged1.js",
"fullystaged2.js",
"partiallystaged1.js",
"partiallystaged2.js"
]);
await env.setPartialFiles(["partiallystaged1.js", "partiallystaged2.js"]);
await gitExecAndRestage(["prettier", "--write", "--", "fullystaged1.js"]);
expect(await env.log).toMatchSnapshot();
});
it("with command+args and mixed status, absolute paths", async () => {
await env.mockBin("prettier");
await env.setAllStagedFiles(["fullystaged.js", "partiallystaged.js"]);
await env.setPartialFiles(["partiallystaged.js"]);
await gitExecAndRestage([
"prettier",
"--write",
"--",
path.join(process.cwd(), "fullystaged.js"),
path.join(process.cwd(), "partiallystaged.js")
]);
expect(await env.log).toMatchSnapshot();
});
});