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gitGraphParserV2.spec.js
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gitGraphParserV2.spec.js
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import gitGraphAst from './gitGraphAst.js';
import { parser } from './parser/gitGraph.jison';
describe('when parsing a gitGraph', function () {
beforeEach(function () {
parser.yy = gitGraphAst;
parser.yy.clear();
});
it('should handle a gitGraph commit with NO pararms, get auto-generated reandom ID', function () {
const str = `gitGraph:
commit
`;
parser.parse(str);
const commits = parser.yy.getCommits();
//console.info(commits);
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit id only', function () {
const str = `gitGraph:
commit id:"1111"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit tag only', function () {
const str = `gitGraph:
commit tag:"test"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('test');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit type HIGHLIGHT only', function () {
const str = `gitGraph:
commit type: HIGHLIGHT
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(2);
});
it('should handle a gitGraph commit with custom commit type REVERSE only', function () {
const str = `gitGraph:
commit type: REVERSE
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(1);
});
it('should handle a gitGraph commit with custom commit type NORMAL only', function () {
const str = `gitGraph:
commit type: NORMAL
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit msg only', function () {
const str = `gitGraph:
commit "test commit"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test commit');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit "msg:" key only', function () {
const str = `gitGraph:
commit msg: "test commit"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test commit');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit id, tag only', function () {
const str = `gitGraph:
commit id:"1111" tag: "test tag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(0);
});
it('should handle a gitGraph commit with custom commit type, tag only', function () {
const str = `gitGraph:
commit type:HIGHLIGHT tag: "test tag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(2);
});
it('should handle a gitGraph commit with custom commit tag and type only', function () {
const str = `gitGraph:
commit tag: "test tag" type:HIGHLIGHT
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).not.toBeNull();
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(2);
});
it('should handle a gitGraph commit with custom commit id, type and tag only', function () {
const str = `gitGraph:
commit id:"1111" type:REVERSE tag: "test tag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(1);
});
it('should handle a gitGraph commit with custom commit id, type, tag and msg', function () {
const str = `gitGraph:
commit id:"1111" type:REVERSE tag: "test tag" msg:"test msg"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test msg');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(1);
});
it('should handle a gitGraph commit with custom type,tag, msg, commit id,', function () {
const str = `gitGraph:
commit type:REVERSE tag: "test tag" msg: "test msg" id: "1111"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test msg');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(1);
});
it('should handle a gitGraph commit with custom tag, msg, commit id, type,', function () {
const str = `gitGraph:
commit tag: "test tag" msg:"test msg" id:"1111" type:REVERSE
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test msg');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(1);
});
it('should handle a gitGraph commit with custom msg, commit id, type,tag', function () {
const str = `gitGraph:
commit msg:"test msg" id:"1111" type:REVERSE tag: "test tag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
const key = Object.keys(commits)[0];
expect(commits[key].message).toBe('test msg');
expect(commits[key].id).toBe('1111');
expect(commits[key].tag).toBe('test tag');
expect(commits[key].type).toBe(1);
});
it('should handle 3 straight commits', function () {
const str = `gitGraph:
commit
commit
commit
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(3);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(1);
});
it('should handle new branch creation', function () {
const str = `gitGraph:
commit
branch testBranch
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('testBranch');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
});
it('should allow quoted branch names', function () {
const str = `gitGraph:
commit
branch "branch"
checkout "branch"
commit
checkout main
merge "branch"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(3);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
const commit1 = Object.keys(commits)[0];
const commit2 = Object.keys(commits)[1];
const commit3 = Object.keys(commits)[2];
expect(commits[commit1].branch).toBe('main');
expect(commits[commit2].branch).toBe('branch');
expect(commits[commit3].branch).toBe('main');
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([{ name: 'main' }, { name: 'branch' }]);
});
it('should allow _-./ characters in branch names', function () {
const str = `gitGraph:
commit
branch azAZ_-./test
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('azAZ_-./test');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
});
it('should allow branch names starting with numbers', function () {
const str = `gitGraph:
commit
%% branch names starting with numbers are not recommended, but are supported by git
branch 1.0.1
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('1.0.1');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
});
it('should allow branch names starting with unusual prefixes', function () {
const str = `gitGraph:
commit
%% branch names starting with numbers are not recommended, but are supported by git
branch branch01
branch checkout02
branch cherry-pick03
branch branch/example-branch
branch merge/test_merge
%% single character branch name
branch A
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('A');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(7);
expect(Object.keys(parser.yy.getBranches())).toEqual(
expect.arrayContaining([
'branch01',
'checkout02',
'cherry-pick03',
'branch/example-branch',
'merge/test_merge',
'A',
])
);
});
it('should handle new branch checkout', function () {
const str = `gitGraph:
commit
branch testBranch
checkout testBranch
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('testBranch');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
});
it('should handle new branch checkout with order', function () {
const str = `gitGraph:
commit
branch test1 order: 3
branch test2 order: 2
branch test3 order: 1
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('test3');
expect(Object.keys(parser.yy.getBranches()).length).toBe(4);
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([
{ name: 'main' },
{ name: 'test3' },
{ name: 'test2' },
{ name: 'test1' },
]);
});
it('should handle new branch checkout with and without order', function () {
const str = `gitGraph:
commit
branch test1 order: 1
branch test2
branch test3
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(1);
expect(parser.yy.getCurrentBranch()).toBe('test3');
expect(Object.keys(parser.yy.getBranches()).length).toBe(4);
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([
{ name: 'main' },
{ name: 'test2' },
{ name: 'test3' },
{ name: 'test1' },
]);
});
it('should handle new branch checkout & commit', function () {
const str = `gitGraph:
commit
branch testBranch
checkout testBranch
commit
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(2);
expect(parser.yy.getCurrentBranch()).toBe('testBranch');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
const commit1 = Object.keys(commits)[0];
const commit2 = Object.keys(commits)[1];
expect(commits[commit1].branch).toBe('main');
expect(commits[commit1].parents).toStrictEqual([]);
expect(commits[commit2].branch).toBe('testBranch');
expect(commits[commit2].parents).toStrictEqual([commit1]);
});
it('should handle new branch checkout & commit and merge', function () {
const str = `gitGraph:
commit
branch testBranch
checkout testBranch
commit
commit
checkout main
merge testBranch
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(4);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
const commit1 = Object.keys(commits)[0];
const commit2 = Object.keys(commits)[1];
const commit3 = Object.keys(commits)[2];
const commit4 = Object.keys(commits)[3];
expect(commits[commit1].branch).toBe('main');
expect(commits[commit1].parents).toStrictEqual([]);
expect(commits[commit2].branch).toBe('testBranch');
expect(commits[commit2].parents).toStrictEqual([commits[commit1].id]);
expect(commits[commit3].branch).toBe('testBranch');
expect(commits[commit3].parents).toStrictEqual([commits[commit2].id]);
expect(commits[commit4].branch).toBe('main');
expect(commits[commit4].parents).toStrictEqual([commits[commit1].id, commits[commit3].id]);
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([
{ name: 'main' },
{ name: 'testBranch' },
]);
});
it('should handle merge tags', function () {
const str = `gitGraph:
commit
branch testBranch
checkout testBranch
commit
checkout main
merge testBranch tag: "merge-tag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(3);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
expect(Object.keys(parser.yy.getBranches()).length).toBe(2);
const commit1 = Object.keys(commits)[0];
const commit2 = Object.keys(commits)[1];
const commit3 = Object.keys(commits)[2];
expect(commits[commit1].branch).toBe('main');
expect(commits[commit1].parents).toStrictEqual([]);
expect(commits[commit2].branch).toBe('testBranch');
expect(commits[commit2].parents).toStrictEqual([commits[commit1].id]);
expect(commits[commit3].branch).toBe('main');
expect(commits[commit3].parents).toStrictEqual([commits[commit1].id, commits[commit2].id]);
expect(commits[commit3].tag).toBe('merge-tag');
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([
{ name: 'main' },
{ name: 'testBranch' },
]);
});
it('should handle merge with custom ids, tags and typr', function () {
const str = `gitGraph:
commit
branch testBranch
checkout testBranch
commit
checkout main
%% Merge Tag and ID
merge testBranch tag: "merge-tag" id: "2-222"
branch testBranch2
checkout testBranch2
commit
checkout main
%% Merge ID and Tag (reverse order)
merge testBranch2 id: "4-444" tag: "merge-tag2" type:HIGHLIGHT
branch testBranch3
checkout testBranch3
commit
checkout main
%% just Merge ID
merge testBranch3 id: "6-666"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
expect(Object.keys(commits).length).toBe(7);
expect(parser.yy.getCurrentBranch()).toBe('main');
expect(parser.yy.getDirection()).toBe('LR');
// The order of these commits is in alphabetical order of IDs
const [
mainCommit,
testBranchCommit,
testBranchMerge,
testBranch2Commit,
testBranch2Merge,
testBranch3Commit,
testBranch3Merge,
] = Object.values(commits);
expect(mainCommit.branch).toBe('main');
expect(mainCommit.parents).toStrictEqual([]);
expect(testBranchCommit.branch).toBe('testBranch');
expect(testBranchCommit.parents).toStrictEqual([mainCommit.id]);
expect(testBranchMerge.branch).toBe('main');
expect(testBranchMerge.parents).toStrictEqual([mainCommit.id, testBranchCommit.id]);
expect(testBranchMerge.tag).toBe('merge-tag');
expect(testBranchMerge.id).toBe('2-222');
expect(testBranch2Merge.branch).toBe('main');
expect(testBranch2Merge.parents).toStrictEqual([testBranchMerge.id, testBranch2Commit.id]);
expect(testBranch2Merge.tag).toBe('merge-tag2');
expect(testBranch2Merge.id).toBe('4-444');
expect(testBranch2Merge.customType).toBe(2);
expect(testBranch2Merge.customId).toBe(true);
expect(testBranch3Merge.branch).toBe('main');
expect(testBranch3Merge.parents).toStrictEqual([testBranch2Merge.id, testBranch3Commit.id]);
expect(testBranch3Merge.id).toBe('6-666');
expect(parser.yy.getBranchesAsObjArray()).toStrictEqual([
{ name: 'main' },
{ name: 'testBranch' },
{ name: 'testBranch2' },
{ name: 'testBranch3' },
]);
});
it('should support cherry-picking commits', function () {
const str = `gitGraph
commit id: "ZERO"
branch develop
commit id:"A"
checkout main
cherry-pick id:"A"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[2];
expect(commits[cherryPickCommitID].tag).toBe('cherry-pick:A');
expect(commits[cherryPickCommitID].branch).toBe('main');
});
it('should support cherry-picking commits with custom tag', function () {
const str = `gitGraph
commit id: "ZERO"
branch develop
commit id:"A"
checkout main
cherry-pick id:"A" tag:"MyTag"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[2];
expect(commits[cherryPickCommitID].tag).toBe('MyTag');
expect(commits[cherryPickCommitID].branch).toBe('main');
});
it('should support cherry-picking commits with no tag', function () {
const str = `gitGraph
commit id: "ZERO"
branch develop
commit id:"A"
checkout main
cherry-pick id:"A" tag:""
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[2];
expect(commits[cherryPickCommitID].tag).toBe('');
expect(commits[cherryPickCommitID].branch).toBe('main');
});
it('should support cherry-picking of merge commits', function () {
const str = `gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
cherry-pick id: "M" parent:"B"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[4];
expect(commits[cherryPickCommitID].tag).toBe('cherry-pick:M|parent:B');
expect(commits[cherryPickCommitID].branch).toBe('release');
});
it('should support cherry-picking of merge commits with tag', function () {
const str = `gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
cherry-pick id: "M" parent:"ZERO" tag: "v1.0"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[4];
expect(commits[cherryPickCommitID].tag).toBe('v1.0');
expect(commits[cherryPickCommitID].branch).toBe('release');
});
it('should support cherry-picking of merge commits with additional commit', function () {
const str = `gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
commit id: "C"
cherry-pick id: "M" tag: "v2.1:ZERO" parent:"ZERO"
commit id: "D"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[5];
expect(commits[cherryPickCommitID].tag).toBe('v2.1:ZERO');
expect(commits[cherryPickCommitID].branch).toBe('release');
});
it('should support cherry-picking of merge commits with empty tag', function () {
const str = `gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
commit id: "C"
cherry-pick id:"M" parent: "ZERO" tag:""
commit id: "D"
cherry-pick id:"M" tag:"" parent: "B"
`;
parser.parse(str);
const commits = parser.yy.getCommits();
const cherryPickCommitID = Object.keys(commits)[5];
const cherryPickCommitID2 = Object.keys(commits)[7];
expect(commits[cherryPickCommitID].tag).toBe('');
expect(commits[cherryPickCommitID2].tag).toBe('');
expect(commits[cherryPickCommitID].branch).toBe('release');
});
it('should fail cherry-picking of merge commits if the parent of merge commits is not specified', function () {
expect(() =>
parser
.parse(
`gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
commit id: "C"
cherry-pick id:"M"
`
)
.toThrow(
'Incorrect usage of cherry-pick: If the source commit is a merge commit, an immediate parent commit must be specified.'
)
);
});
it('should fail cherry-picking of merge commits when the parent provided is not an immediate parent of cherry picked commit', function () {
expect(() =>
parser
.parse(
`gitGraph
commit id: "ZERO"
branch feature
branch release
checkout feature
commit id: "A"
commit id: "B"
checkout main
merge feature id: "M"
checkout release
commit id: "C"
cherry-pick id:"M" parent: "A"
`
)
.toThrow(
'Invalid operation: The specified parent commit is not an immediate parent of the cherry-picked commit.'
)
);
});
it('should throw error when try to branch existing branch: main', function () {
const str = `gitGraph
commit
branch testBranch
commit
branch main
commit
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Trying to create an existing branch. (Help: Either use a new name if you want create a new branch or try using "checkout main")'
);
}
});
it('should throw error when try to branch existing branch: testBranch', function () {
const str = `gitGraph
commit
branch testBranch
commit
branch testBranch
commit
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Trying to create an existing branch. (Help: Either use a new name if you want create a new branch or try using "checkout testBranch")'
);
}
});
it('should throw error when try to checkout unknown branch: testBranch', function () {
const str = `gitGraph
commit
checkout testBranch
commit
branch testBranch
commit
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Trying to checkout branch which is not yet created. (Help try using "branch testBranch")'
);
}
});
it('should throw error when trying to merge, when current branch has no commits', function () {
const str = `gitGraph
merge testBranch
commit
checkout testBranch
commit
branch testBranch
commit
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe('Incorrect usage of "merge". Current branch (main)has no commits');
}
});
it('should throw error when trying to merge unknown branch', function () {
const str = `gitGraph
commit
merge testBranch
commit
checkout testBranch
commit
branch testBranch
commit
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Incorrect usage of "merge". Branch to be merged (testBranch) does not exist'
);
}
});
it('should throw error when trying to merge branch to itself', function () {
const str = `gitGraph
commit
branch testBranch
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe('Incorrect usage of "merge". Cannot merge a branch to itself');
}
});
it('should throw error when using existing id as merge ID', function () {
const str = `gitGraph
commit id: "1-111"
branch testBranch
commit id: "2-222"
commit id: "3-333"
checkout main
merge testBranch id: "1-111"
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Incorrect usage of "merge". Commit with id:1-111 already exists, use different custom Id'
);
}
});
it('should throw error when trying to merge branches having same heads', function () {
const str = `gitGraph
commit
branch testBranch
checkout main
merge testBranch
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe('Incorrect usage of "merge". Both branches have same head');
}
});
it('should throw error when trying to merge branch which has no commits', function () {
const str = `gitGraph
branch test1
checkout main
commit
merge test1
`;
try {
parser.parse(str);
// Fail test if above expression doesn't throw anything.
expect(true).toBe(false);
} catch (e) {
expect(e.message).toBe(
'Incorrect usage of "merge". Branch to be merged (test1) has no commits'
);
}
});
describe('accessibility', () => {
it('should handle a title and a description (accDescr)', () => {
const str = `gitGraph:
accTitle: This is a title
accDescr: This is a description
commit
`;
parser.parse(str);
expect(parser.yy.getAccTitle()).toBe('This is a title');