Dominik Prokop
5c0f424d1b
* Organise data frame and vectors code
* Organise transformations
* Move dataframe utils to dataframe dir
* Organise datetime utils
* Organise text utils
* Organise logs utils
* Revert "Organise logs utils"
This reverts commit c24115c755.
* registry -> Registry
* Transformations reorg
67 lines
2.4 KiB
TypeScript
67 lines
2.4 KiB
TypeScript
import { DataFrameDTO, FieldType } from '../types/dataFrame';
|
|
import { MutableDataFrame } from './MutableDataFrame';
|
|
|
|
describe('Reversing DataFrame', () => {
|
|
describe('when called with a DataFrame', () => {
|
|
it('then it should reverse the order of values in all fields', () => {
|
|
const frame: DataFrameDTO = {
|
|
fields: [
|
|
{ name: 'time', type: FieldType.time, values: [100, 200, 300] },
|
|
{ name: 'name', type: FieldType.string, values: ['a', 'b', 'c'] },
|
|
{ name: 'value', type: FieldType.number, values: [1, 2, 3] },
|
|
],
|
|
};
|
|
|
|
const helper = new MutableDataFrame(frame);
|
|
|
|
expect(helper.values.time.toArray()).toEqual([100, 200, 300]);
|
|
expect(helper.values.name.toArray()).toEqual(['a', 'b', 'c']);
|
|
expect(helper.values.value.toArray()).toEqual([1, 2, 3]);
|
|
|
|
helper.reverse();
|
|
|
|
expect(helper.values.time.toArray()).toEqual([300, 200, 100]);
|
|
expect(helper.values.name.toArray()).toEqual(['c', 'b', 'a']);
|
|
expect(helper.values.value.toArray()).toEqual([3, 2, 1]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('Apending DataFrame', () => {
|
|
it('Should append values', () => {
|
|
const dto: DataFrameDTO = {
|
|
fields: [
|
|
{ name: 'time', type: FieldType.time, values: [100] },
|
|
{ name: 'name', type: FieldType.string, values: ['a', 'b'] },
|
|
{ name: 'value', type: FieldType.number, values: [1, 2, 3] },
|
|
],
|
|
};
|
|
|
|
const frame = new MutableDataFrame(dto);
|
|
expect(frame.values.time.toArray()).toEqual([100, null, null]);
|
|
|
|
// Set a value on the second row
|
|
frame.set(1, { time: 200, name: 'BB', value: 20 });
|
|
expect(frame.toArray()).toEqual([
|
|
{ time: 100, name: 'a', value: 1 }, // 1
|
|
{ time: 200, name: 'BB', value: 20 }, // 2
|
|
{ time: null, name: null, value: 3 }, // 3
|
|
]);
|
|
|
|
// Set a value on the second row
|
|
frame.add({ value2: 'XXX' }, true);
|
|
expect(frame.toArray()).toEqual([
|
|
{ time: 100, name: 'a', value: 1, value2: null }, // 1
|
|
{ time: 200, name: 'BB', value: 20, value2: null }, // 2
|
|
{ time: null, name: null, value: 3, value2: null }, // 3
|
|
{ time: null, name: null, value: null, value2: 'XXX' }, // 4
|
|
]);
|
|
|
|
// Make sure length survives a spread operator
|
|
const keys = Object.keys(frame);
|
|
const copy = { ...frame } as any;
|
|
expect(keys).toContain('length');
|
|
expect(copy.length).toEqual(frame.length);
|
|
});
|
|
});
|