forked from jupyterlab/jupyterlab
/
outputmodel.spec.ts
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/
outputmodel.spec.ts
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// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
import { expect } from 'chai';
import { nbformat } from '@jupyterlab/coreutils';
import { OutputModel } from '@jupyterlab/rendermime';
import { NBTestUtils } from '@jupyterlab/testutils';
const DEFAULT_EXECUTE: nbformat.IOutput = {
output_type: 'execute_result',
execution_count: 1,
data: { 'text/plain': 'foo' },
metadata: {
foo: 1,
bar: 'baz'
}
};
const DEFAULT_STREAM: nbformat.IOutput = {
name: 'stderr',
output_type: 'stream',
text: ['output to stderr\n']
};
describe('rendermime/outputmodel', () => {
describe('OutputModel', () => {
describe('#constructor()', () => {
it('should create a new output model', () => {
const value = DEFAULT_EXECUTE;
let model = new OutputModel({ value });
expect(model).to.be.an.instanceof(OutputModel);
model = new OutputModel({ value, trusted: true });
expect(model).to.be.an.instanceof(OutputModel);
});
});
describe('#type', () => {
it('should be the output type', () => {
let model = new OutputModel({ value: DEFAULT_EXECUTE });
expect(model.type).to.equal(DEFAULT_EXECUTE.output_type);
model = new OutputModel({ value: DEFAULT_STREAM });
expect(model.type).to.equal(DEFAULT_STREAM.output_type);
});
});
describe('#executionCount', () => {
it('should be the execution count of an execution result', () => {
const model = new OutputModel({ value: DEFAULT_EXECUTE });
expect(model.executionCount).to.equal(1);
});
it('should be null for non-execution results', () => {
const model = new OutputModel({ value: DEFAULT_STREAM });
expect(model.executionCount).to.be.null;
});
});
describe('#toJSON()', () => {
it('should yield the raw value', () => {
const model = new OutputModel({ value: DEFAULT_EXECUTE });
expect(model.toJSON()).to.deep.equal(DEFAULT_EXECUTE);
});
});
describe('.getData()', () => {
it('should handle all bundle types', () => {
for (let i = 0; i < NBTestUtils.DEFAULT_OUTPUTS.length; i++) {
const output = NBTestUtils.DEFAULT_OUTPUTS[i];
const bundle = OutputModel.getData(output);
expect(Object.keys(bundle).length).to.not.equal(0);
}
});
});
describe('.getMetadata()', () => {
it('should get the metadata from the bundle', () => {
const metadata = OutputModel.getMetadata(DEFAULT_EXECUTE);
expect(metadata['foo']).to.equal(1);
expect(metadata['bar']).to.equal('baz');
});
it('should handle output with no metadata field', () => {
const metadata = OutputModel.getMetadata(DEFAULT_STREAM);
expect(Object.keys(metadata).length).to.equal(0);
});
});
});
});