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var assert = require("assert");
var path = require("path");
var fse = require("fs-extra");
var exec = require("../../utils/execPromise");
describe("Stage", function() {
var RepoUtils = require("../utils/repository_setup");
var NodeGit = require("../../");
var test;
beforeEach(function() {
test = this;
var repoDir = "../repos/stagingRepo/";
var repoPath = path.resolve(__dirname, repoDir);
return RepoUtils.createRepository(repoPath)
.then(function(repo) {
test.repository = repo;
});
});
after(function() {
return fse.remove(test.repository.workdir());
});
function stagingTest(isUnstaged, newFileContent, discarding) {
var fileContent = newFileContent ||
"One line of text\n" +
"Two lines of text\n"+
"Three lines of text\n"+
"Four lines of text\n"+
"Five lines of text\n"+
"Six lines of text\n"+
"Seven lines of text\n"+
"Eight lines of text\n"+
"Nine lines of text\n"+
"Ten lines of text\n"+
"Eleven lines of text\n"+
"Twelve lines of text\n"+
"Thirteen lines of text\n"+
"Fourteen lines of text\n"+
"Fifteen lines of text\n"+
"Sixteen lines of text\n"+
"Seventeen lines of text\n"+
"Eighteen lines of text\n"+
"Nineteen lines of text\n"+
"Twenty lines of text\n";
var fileName = "stagedLinesTest.txt";
var expectedContent;
var workingDirFile;
var getDiffFunction;
if (!isUnstaged || discarding) {
expectedContent = fileContent.replace("Three", "Changed three")
.replace("Seventeen", "Changed seventeen");
workingDirFile = expectedContent.replace("Fifteen", "Changed fifteen");
}
else {
expectedContent = fileContent.replace("Fifteen", "Changed fifteen");
workingDirFile = expectedContent.replace("Three", "Changed three")
.replace("Seventeen", "Changed seventeen");
}
if (isUnstaged) {
getDiffFunction = function() {
return test.repository.refreshIndex()
.then(function(index) {
return NodeGit.Diff.indexToWorkdir(
test.repository,
index,
{
flags:
NodeGit.Diff.OPTION.SHOW_UNTRACKED_CONTENT |
NodeGit.Diff.OPTION.RECURSE_UNTRACKED_DIRS
}
);
});
};
}
else {
getDiffFunction = function() {
return RepoUtils.addFileToIndex(test.repository, fileName)
.then(function() {
return test.repository.getBranchCommit("master");
})
.then(function(masterCommit) {
var treePromise = masterCommit.getTree();
var indexPromise = test.repository.refreshIndex();
return Promise.all([treePromise, indexPromise]);
})
.then(function(treeAndIndex) {
var masterTree = treeAndIndex[0];
var index = treeAndIndex[1];
return NodeGit.Diff.treeToIndex(
test.repository,
masterTree,
index,
{
flags:
NodeGit.Diff.OPTION.SHOW_UNTRACKED_CONTENT |
NodeGit.Diff.OPTION.RECURSE_UNTRACKED_DIRS
}
);
});
};
}
return RepoUtils.commitFileToRepo(test.repository, fileName, fileContent)
.then(function() {
return fse.writeFile(path.join(test.repository.workdir(), fileName),
workingDirFile);
})
.then(function() {
return getDiffFunction();
})
.then(function(fileDiff) {
return fileDiff.patches();
})
.then(function(patches) {
var pathPatch = patches.filter(function(patch) {
return patch.newFile().path() === fileName;
});
return pathPatch[0].hunks();
})
.then(function(pathHunks) {
var linePromises = [];
pathHunks.forEach(function(pathHunk) {
linePromises.push(pathHunk.lines());
});
return Promise.all(linePromises);
})
.then(function(lines) {
var linesToStage = [];
lines.forEach(function(hunkLines) {
hunkLines.forEach(function(line) {
if (line.content().toLowerCase().indexOf("fifteen") >= 0){
linesToStage.push(line);
}
});
});
if (discarding) {
return test.repository.discardLines(fileName, linesToStage);
}
return test.repository.stageLines(fileName, linesToStage, !isUnstaged);
})
.then(function() {
if (discarding) {
return fse.readFile(
path.join(test.repository.workdir(), fileName), "utf8"
);
}
return test.repository.refreshIndex()
.then(function(reloadedIndex) {
var pathOid = reloadedIndex.getByPath(fileName).id;
return test.repository.getBlob(pathOid);
});
})
.then(function(resultFileContents) {
assert.equal(resultFileContents.toString(), expectedContent);
});
}
it("can stage selected lines", function() {
return stagingTest(true);
});
it("can unstage selected lines", function() {
return stagingTest(false);
});
//This is used to test cases where there are no newline at EOF
var newlineEofTestFileContent =
"One line of text\n" +
"Two lines of text\n"+
"Three lines of text\n"+
"Four lines of text\n"+
"Five lines of text\n"+
"Six lines of text\n"+
"Seven lines of text\n"+
"Eight lines of text\n"+
"Nine lines of text\n"+
"Ten lines of text\n"+
"Eleven lines of text\n"+
"Twelve lines of text\n"+
"Thirteen lines of text\n"+
"Fourteen lines of text\n"+
"Fifteen lines of text";
it("can stage last line with no newline at EOF", function() {
return stagingTest(true, newlineEofTestFileContent);
});
it("can unstage last line with no newline at EOF", function() {
return stagingTest(false, newlineEofTestFileContent);
});
it("can stage second to last line with no newline at EOF", function() {
var newlineEofTestFileContent2 = newlineEofTestFileContent +
"\nSixteen lines of text\nSeventeen lines of text\nEighteen lines of text";
return stagingTest(true, newlineEofTestFileContent2);
});
it("can unstage second to last line with no newline at EOF", function() {
var newlineEofTestFileContent2 = newlineEofTestFileContent +
"\nSixteen lines of text\nSeventeen lines of text\nEighteen lines of text";
return stagingTest(false, newlineEofTestFileContent2);
});
//This is used to test case where the last hunk is staged.
var lastHunkStagedFileContent =
"Thirteen lines of text\n"+
"Fourteen lines of text\n"+
"Fifteen lines of text\n"+
"Sixteen lines of text\n"+
"Shforteenteen lines of text\n";
it("staging last hunk stages whole file if no filemode changes", function() {
return stagingTest(true, lastHunkStagedFileContent)
.then(function() {
return test.repository.refreshIndex();
})
.then(function(index) {
return NodeGit.Diff.indexToWorkdir(test.repository, index, {
flags:
NodeGit.Diff.OPTION.SHOW_UNTRACKED_CONTENT |
NodeGit.Diff.OPTION.RECURSE_UNTRACKED_DIRS
});
})
.then(function(diff) {
assert.equal(Object.keys(diff).length, 0); //Empty diff
return diff.patches();
})
.then(function(patches) {
//patches will have at least one item if there is something unstaged
assert.equal(patches.length, 0);
});
});
function compareFilemodes(vsWorkdir, index, fileModeDifference) {
//Takes diff of head commit vs Workdir (if vsWorkdir is set) or vs Index
//(if vsWorkdir is unset). Note: there's only one file in the filemode
//staging tests for which this helper fn was written.
//index - index to use (vsWorkdir is unset)
//fileModeDifference - expected (newfilemode) - (oldfilemode)
return test.repository.getHeadCommit()
.then(function(commit) {
return commit.getTree();
})
.then(function(tree) {
if (vsWorkdir) {
return NodeGit.Diff.treeToWorkdir(test.repository, tree);
} else {
return NodeGit.Diff.treeToIndex(test.repository, tree, index);
}
})
.then(function(diff) {
return diff.getDelta(0);
})
.then(function(delta) {
if (fileModeDifference === 0) {
if (!delta) {
return true;
} else {
throw ("File change when no file change expected.");
}
} else {
assert(delta.newFile().mode() - delta.oldFile().mode() ===
fileModeDifference);
}
return true;
});
}
function createAndCommitFiles(repo, filePaths, fileContent, afterWriteFn) {
filePaths = filePaths instanceof Array ? filePaths : [filePaths];
var filePromises = filePaths.map(function(fileName) {
return RepoUtils.commitFileToRepo(repo, fileName, fileContent)
.then(function() {
//First, create a file, have the same file in both the repo and workdir.
return fse.writeFile(path.join(repo.workdir(), fileName), fileContent);
})
.then(function() {
return afterWriteFn(repo, fileName);
});
});
return Promise.all(filePromises);
}
if (process.platform == "linux" || process.platform == "darwin") {
it("can stage filemode changes for one file", function() {
var fileContent = "Blek";
var fileName = "stageFilemodeTest.txt";
var index;
function afterWriteFn(repo, fileName) {
return fse.chmod(path.join(repo.workdir(), fileName),
0755 /* new filemode */);
}
return createAndCommitFiles(
test.repository, fileName, fileContent, afterWriteFn
)
//Then, diff between head commit and workdir should have filemode change
.then(function() {
return compareFilemodes(true, null, 0111 /* expect +x */)
.then(function() {
return test.repository.stageFilemode(fileName, true);
});
})
//Now lets do a commit...
.then(function() {
return test.repository.refreshIndex();
})
.then(function(_index) {
index = _index;
return index.writeTree();
})
.then(function (oid) {
return test.repository.getHeadCommit()
.then(function(parent) {
var signature = NodeGit.Signature.create("Foo bar",
"foo@bar.com", 123456789, 60);
return test.repository.createCommit("HEAD", signature, signature,
"initial commit", oid, [parent]);
});
//... alright, we did a commit.
})
// Now if we compare head commit to the workdir,
// there shouldn't be a filemode change
.then(function() {
return compareFilemodes(true, null, 0);
});
});
it("can unstage filemode changes", function() {
var fileContent = "Blek";
var fileName = "stageFilemodeTest2.txt";
var index;
function afterWriteFn(repo, fileName) {
return fse.chmod(path.join(repo.workdir(), fileName),
0755 /* new filemode */);
}
return createAndCommitFiles(
test.repository,
fileName,
fileContent,
afterWriteFn
)
//Then, diff between head commit and workdir should have filemode change
.then(function() {
return compareFilemodes(true, null, 0111 /* expect +x */);
})
.then(function() {
return test.repository.refreshIndex();
})
.then(function(repoIndex) {
//Now we stage the whole file...
index = repoIndex;
return index.addByPath(fileName);
})
.then(function() {
return index.write();
})
.then(function() {
//We expect the Index to have the filemode changes now.
return compareFilemodes(false, index, 0111 /* expect +x */)
.then(function() {
//...then we attempt to unstage filemode
return test.repository.stageFilemode(fileName, false /* unstage */);
});
})
.then(function() {
return test.repository.refreshIndex();
})
//We expect the Index to have no filemode changes, since we unstaged.
.then(function(freshIndex) {
return compareFilemodes(false, freshIndex, 0 /* expect +x */);
})
//We also expect the workdir to now have the filemode change.
.then(function() {
return compareFilemodes(true, null, 0111 /* expect +x */);
});
});
} else if (process.platform == "win32") {
it("can stage/unstage filemode changes for one file", function() {
var fileContent = "Blek";
var fileName = "stageFilemodeTest.txt";
var index;
function afterWriteFn(repo, fileName) {
//change the permission on index
return exec("git update-index --chmod=+x " + fileName,
{cwd: repo.workdir()})
.then(function() {
//Commit the change with execute bit set
return exec("git commit -m 'test'",
{cwd: repo.workdir()});
})
.then(function() {
//Then, change the permission on index
return exec("git update-index --chmod=-x " + fileName,
{cwd: repo.workdir()});
});
}
return createAndCommitFiles(
test.repository, fileName, fileContent, afterWriteFn
)
.then(function() {
return test.repository.refreshIndex();
})
.then(function(repoIndex) {
index = repoIndex;
//Head commit vs index
//We expect the Index to have +x
return compareFilemodes(false, index, -0111 /* expect +x */);
})
.then(function() {
//...then we attempt to unstage filemode
return test.repository.stageFilemode(fileName, false /* unstage */);
})
.then(function() {
return test.repository.refreshIndex();
})
.then(function(freshIndex) {
return compareFilemodes(false, freshIndex, 0 /* expect nochange */);
});
});
}
it("can stage/unstage filemode changes for multiple files", function() {
var fileContent = "Blek";
var fileName = ["stageFilemodeTest.txt", "stageFilemodeTest2.txt"];
var index;
var repoWorkDir = test.repository.workdir();
var signature = NodeGit.Signature.create("Foo bar",
"foo@bar.com", 123456789, 60);
return Promise.all(fileName.map(function(file) {
return fse.writeFile(path.join(repoWorkDir, file), fileContent);
}))
.then(function() {
// Initial commit
return test.repository.refreshIndex();
})
.then(function(index) {
return fileName
.reduce(function(lastPromise, file) {
return lastPromise
.then(function() {
return index.addByPath(file);
});
}, Promise.resolve())
.then(function() {
return index.write();
})
.then(function() {
return index.writeTree();
});
})
.then(function(oid) {
return test.repository.createCommit("HEAD", signature, signature,
"initial commit", oid, []);
})
.then(function(commitOid) {
return test.repository.getCommit(commitOid);
})
.then(function() {
//change the permission on index
return exec("git update-index --chmod=+x " + fileName[0],
{cwd: test.repository.workdir()});
})
.then(function() {
//change the permission on index
return exec("git update-index --chmod=+x " + fileName[1],
{cwd: test.repository.workdir()});
})
.then(function() {
//Commit the change with execute bit set
return exec("git commit -m 'test'",
{cwd: test.repository.workdir()});
})
.then(function() {
//Then, change the permission on index back to -x
return exec("git update-index --chmod=-x " + fileName[0],
{cwd: test.repository.workdir()});
})
.then(function() {
//Then, change the permission on index back to -x
return exec("git update-index --chmod=-x " + fileName[1],
{cwd: test.repository.workdir()});
})
.then(function() {
return test.repository.refreshIndex();
})
.then(function(repoIndex) {
index = repoIndex;
//Head commit vs index
//We expect the Index to have +x
return compareFilemodes(false, index, -0111 /* expect +x */);
})
.then(function() {
//...then we attempt to unstage filemode
return test.repository.stageFilemode(fileName, false /* unstage */);
})
.then(function() {
return test.repository.refreshIndex();
})
.then(function(freshIndex) {
return compareFilemodes(false, freshIndex, 0 /* expect nochange */);
});
});
it("can discard selected lines", function() {
return stagingTest(true, null, true);
});
});