@hackoregon/utils/src/utils/ungroupBy.test.js

Common utils for CIVIC

import ungroupBy from "./ungroupBy";

const SAMPLE_DATA = [
  {
    id: 1,
    neighborhood: "ROSE CITY PARK",
    pct_18_25: 0.11,
    pct_26_32: 0.27,
    year: 2006
  },
  {
    id: 2,
    neighborhood: "ROSE CITY PARK",
    pct_18_25: 0.12,
    pct_26_32: 0.27,
    year: 2007
  }
];

const FORMATTED_DATA = [
  {
    id: 1,
    neighborhood: "ROSE CITY PARK",
    type: "pct_18_25",
    year: 2006,
    value: 0.11
  },
  {
    id: 2,
    neighborhood: "ROSE CITY PARK",
    type: "pct_18_25",
    year: 2007,
    value: 0.12
  },
  {
    id: 1,
    neighborhood: "ROSE CITY PARK",
    type: "pct_26_32",
    year: 2006,
    value: 0.27
  },
  {
    id: 2,
    neighborhood: "ROSE CITY PARK",
    type: "pct_26_32",
    year: 2007,
    value: 0.27
  }
];

const FORMATTED_DATA_LABELS = [
  {
    id: 1,
    neighborhood: "ROSE CITY PARK",
    type: "18-25",
    year: 2006,
    value: 0.11
  },
  {
    id: 2,
    neighborhood: "ROSE CITY PARK",
    type: "18-25",
    year: 2007,
    value: 0.12
  },
  {
    id: 1,
    neighborhood: "ROSE CITY PARK",
    type: "26-32",
    year: 2006,
    value: 0.27
  },
  {
    id: 2,
    neighborhood: "ROSE CITY PARK",
    type: "26-32",
    year: 2007,
    value: 0.27
  }
];

describe("ungroupBy", () => {
  it("should format data properly", () => {
    expect(ungroupBy(SAMPLE_DATA, ["pct_18_25", "pct_26_32"])).to.eql(
      FORMATTED_DATA
    );
  });
  it("should format data properly and apply labels", () => {
    expect(
      ungroupBy(SAMPLE_DATA, ["pct_18_25", "pct_26_32"], ["18-25", "26-32"])
    ).to.eql(FORMATTED_DATA_LABELS);
  });
  it("should handle an improper labels array", () => {
    expect(
      ungroupBy(SAMPLE_DATA, ["pct_18_25", "pct_26_32"], ["18-25"])
    ).to.eql(FORMATTED_DATA);
  });
});