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index.test.js
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index.test.js
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const index = require('./index');
describe('index module', () => {
it('rejects if the template cannot be found', () => {
const OPTIONS = {};
const RANGE = 'since..to';
return expect(index(OPTIONS, RANGE, 'missing-template')).rejects.toThrow(/template file/);
});
it('rejects if the configuration in invalid', () => {
const OPTIONS = { f: 'missing-configuration' };
const RANGE = 'since..to';
return expect(index(OPTIONS, RANGE, 'markdown')).rejects.toThrow(/configuration file/);
});
it('rejects if git log range is invalid', () => {
const OPTIONS = {};
const RANGE = 'since..to';
return expect(index(OPTIONS, RANGE, 'markdown')).rejects.toThrow(/git log exited/i);
});
it('rejects if the external script fails', () => {
const OPTIONS = {
script: 'lib/__tests__/scripts/throws.js',
branch: 'testing-branch',
};
const RANGE = '7d27899..28b863e';
return expect(index(OPTIONS, RANGE, 'markdown')).rejects.toThrow(/processing external script/i);
});
it('rejects if the rendering template causes errors', () => {
const OPTIONS = {
script: 'lib/__tests__/scripts/rename.js',
branch: 'testing-branch',
};
const RANGE = '7d27899..28b863e';
return expect(index(OPTIONS, RANGE, 'lib/__tests__/templates/invalid.ejs')).rejects.toThrow(/broken is not defined/i);
});
it('resolves with the rendered template', () => {
const OPTIONS = {
branch: 'testing-branch',
};
const RANGE = '7d27899..28b863e';
return expect(index(OPTIONS, RANGE, 'markdown')).resolves.toMatch(/__2.1.0__/i);
});
it('resolves with the postprocessing function', () => {
const OPTIONS = {
script: (data, callback) => {
callback({
foo: "bar"
});
},
branch: 'testing-branch'
}
const RANGE = '7d27899..28b863e';
return expect(index(OPTIONS, RANGE, 'lib/__tests__/templates/custom.ejs')).resolves.toMatch(/bar/i);
})
it('resolves with the throw postprocessing function', () => {
const OPTIONS = {
script: () => {
throw Error('from script');
},
branch: 'testing-branch'
}
const RANGE = '7d27899..28b863e';
return expect(index(OPTIONS, RANGE, 'markdown')).rejects.toThrow(/processing external function/i);
})
});