test: add tests for gitUtils (#6949)

* test: add tests for gitUtils

* debug test

* try fix
This commit is contained in:
Joshua Chen 2022-03-21 18:40:20 +08:00 committed by GitHub
parent 3c7b39b739
commit 5ee7e8c48e
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3 changed files with 194 additions and 19 deletions

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@ -12,7 +12,22 @@ export class GitNotFoundError extends Error {}
export class FileNotTrackedError extends Error {}
export const getFileCommitDate = (
export function getFileCommitDate(
file: string,
args: {age?: 'oldest' | 'newest'; includeAuthor?: false},
): {
date: Date;
timestamp: number;
};
export function getFileCommitDate(
file: string,
args: {age?: 'oldest' | 'newest'; includeAuthor: true},
): {
date: Date;
timestamp: number;
author: string;
};
export function getFileCommitDate(
file: string,
{
age = 'oldest',
@ -25,7 +40,7 @@ export const getFileCommitDate = (
date: Date;
timestamp: number;
author?: string;
} => {
} {
if (!shell.which('git')) {
throw new GitNotFoundError(
`Failed to retrieve git history for "${file}" because git is not installed.`,
@ -38,9 +53,6 @@ export const getFileCommitDate = (
);
}
const fileBasename = path.basename(file);
const fileDirname = path.dirname(file);
let formatArg = '--format=%ct';
if (includeAuthor) {
formatArg += ',%an';
@ -54,10 +66,10 @@ export const getFileCommitDate = (
}
const result = shell.exec(
`git log ${extraArgs} ${formatArg} -- "${fileBasename}"`,
`git log ${extraArgs} ${formatArg} -- "${path.basename(file)}"`,
{
// cwd is important, see: https://github.com/facebook/docusaurus/pull/5048
cwd: fileDirname,
cwd: path.dirname(file),
silent: true,
},
);
@ -81,22 +93,17 @@ export const getFileCommitDate = (
const match = output.match(regex);
if (
!match ||
!match.groups ||
!match.groups.timestamp ||
(includeAuthor && !match.groups.author)
) {
if (!match) {
throw new Error(
`Failed to retrieve the git history for file "${file}" with unexpected output: ${output}`,
);
}
const timestamp = Number(match.groups.timestamp);
const timestamp = Number(match.groups!.timestamp);
const date = new Date(timestamp * 1000);
if (includeAuthor) {
return {date, timestamp, author: match.groups.author};
return {date, timestamp, author: match.groups!.author!};
}
return {date, timestamp};
};
}