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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| import { z } from 'zod' | ||
| import { ScoreOutputSchemaType } from '../../../types' | ||
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| export const GAD2_OUTPUT = { | ||
| GAD2_SCORE: { | ||
| label: { en: 'GAD-2 Score' }, | ||
| type: z.number(), | ||
| }, | ||
| GAD2_INTERPRETATION: { | ||
| label: { en: 'GAD-2 Interpretation' }, | ||
| type: z.string(), | ||
| }, | ||
| } satisfies ScoreOutputSchemaType |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import { ZodError } from 'zod' | ||
| import { Score } from '../../classes' | ||
| import { ScoreLibrary } from '../library' | ||
| import { | ||
| best_response, | ||
| random_response, | ||
| worst_response, | ||
| } from './__testdata__/gad_2_test_responses' | ||
| import { gad_2 } from './gad_2' | ||
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|
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| const BEST_SCORE = 0 | ||
| const WORST_SCORE = 6 | ||
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| const gad_2_calculation = new Score(gad_2) | ||
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| describe('gad_2', function () { | ||
| it('gad_2 calculation function should be available as a calculation', function () { | ||
| expect(ScoreLibrary).toHaveProperty('gad_2') | ||
| }) | ||
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| describe('basic assumptions', function () { | ||
| const outcome = gad_2_calculation.calculate({ payload: best_response }) | ||
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| it('should return 2 calculation results', function () { | ||
| expect(Object.keys(outcome).length).toEqual(2) | ||
| }) | ||
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| it('should have the expected calculation result ids', function () { | ||
| const EXPECTED_CALCULATION_ID = ['GAD2_SCORE', 'GAD2_INTERPRETATION'] | ||
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| const configured_calculation_id = Object.keys(outcome) | ||
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| expect(configured_calculation_id).toEqual(EXPECTED_CALCULATION_ID) | ||
| }) | ||
| }) | ||
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| describe('validation', function () { | ||
| describe('the score includes the correct input fields', function () { | ||
| it('should have all the expected input ids configured', function () { | ||
| const EXPECTED_INPUT_IDS = ['GAD2_Q01', 'GAD2_Q02'] | ||
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| const configured_input_ids = Object.keys( | ||
| gad_2_calculation.inputSchemaAsObject.shape, | ||
| ) | ||
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| expect(EXPECTED_INPUT_IDS).toEqual(configured_input_ids) | ||
| }) | ||
| }) | ||
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| describe('when an answer is not not one of the allowed answers', function () { | ||
| it('should throw an InvalidInputsError', function () { | ||
| expect(() => | ||
| gad_2_calculation.calculate({ | ||
| payload: { | ||
| GAD2_Q01: -1, | ||
| }, | ||
| }), | ||
| ).toThrow(ZodError) | ||
| }) | ||
| }) | ||
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| describe('when called with an empty response', function () { | ||
| it('should throw a ZodError', function () { | ||
| expect(() => gad_2_calculation.calculate({ payload: {} })).toThrow( | ||
| ZodError, | ||
| ) | ||
| }) | ||
| }) | ||
| }) | ||
|
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| describe('score calculation', function () { | ||
| describe('when called with the best response', function () { | ||
| const outcome = gad_2_calculation.calculate({ payload: best_response }) | ||
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| it('should return the best score', function () { | ||
| expect(outcome.GAD2_SCORE).toEqual(BEST_SCORE) | ||
| }) | ||
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| it('should return the "No anxiety" interpretation', function () { | ||
| expect(outcome.GAD2_INTERPRETATION).toEqual('No anxiety') | ||
| }) | ||
| }) | ||
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| describe('when called with the worst response', function () { | ||
| const outcome = gad_2_calculation.calculate({ | ||
| payload: worst_response, | ||
| }) | ||
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| it('should return the worst score', function () { | ||
| expect(outcome.GAD2_SCORE).toEqual(WORST_SCORE) | ||
| }) | ||
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| it('should return the "severe anxiety" interpretation', function () { | ||
| expect(outcome.GAD2_INTERPRETATION).toEqual('Severe anxiety') | ||
| }) | ||
| }) | ||
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| describe('when called with a random response', function () { | ||
| const outcome = gad_2_calculation.calculate({ | ||
| payload: random_response, | ||
| }) | ||
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| it('should return the expected score', function () { | ||
| const EXPECTED_SCORE = 3 | ||
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| expect(outcome.GAD2_SCORE).toEqual(EXPECTED_SCORE) | ||
| }) | ||
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| it('should return the "Mild anxiety" interpretation', function () { | ||
| expect(outcome.GAD2_INTERPRETATION).toEqual('Moderate anxiety') | ||
| }) | ||
| }) | ||
| }) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import { | ||
| GAD2_INPUTS, | ||
| GAD2_OUTPUT, | ||
| GAD2_INTERPRETATION_TABLE, | ||
| } from './definition' | ||
| import { ScoreType } from '../../types' | ||
| import _ from 'lodash' | ||
|
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| export const gad_2: ScoreType<typeof GAD2_INPUTS, typeof GAD2_OUTPUT> = { | ||
| name: 'Generalised Anxiety Disorder Assessment (GAD-2)', | ||
| readmeLocation: __dirname, | ||
| inputSchema: GAD2_INPUTS, | ||
| outputSchema: GAD2_OUTPUT, | ||
| calculate: ({ data }) => { | ||
| const totalScore = data.GAD2_Q01 + data.GAD2_Q02 | ||
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| return { | ||
| GAD2_SCORE: totalScore, | ||
| GAD2_INTERPRETATION: GAD2_INTERPRETATION_TABLE[totalScore.toString()], | ||
| } | ||
| }, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| import { z } from 'zod' | ||
| import { ScoreOutputSchemaType } from '../../../types' | ||
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| export const GAD7_OUTPUT = { | ||
| GAD7_SCORE: { | ||
| label: { en: 'GAD-7 Score' }, | ||
| type: z.number(), | ||
| }, | ||
| GAD7_INTERPRETATION: { | ||
| label: { en: 'GAD-7 Interpretation' }, | ||
| type: z.string(), | ||
| }, | ||
| } satisfies ScoreOutputSchemaType |
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