From 25cb7508bbf5d2a9431c58ff3f5b1910d44f7b9b Mon Sep 17 00:00:00 2001
From: Joao P Dubas <joao.dubas+gitea@gmail.com>
Date: Sat, 5 Oct 2024 15:11:33 +0000
Subject: [PATCH] test(growth): add main module tests
---
test/growth/growth_test.exs | 131 ++++++++++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)
create mode 100644 test/growth/growth_test.exs
diff --git a/test/growth/growth_test.exs b/test/growth/growth_test.exs
new file mode 100644
index 0000000..3752689
--- /dev/null
+++ b/test/growth/growth_test.exs
@@ -0,0 +1,131 @@
+defmodule GrowthTest do
+ @moduledoc false
+
+ use ExUnit.Case, async: true
+
+ doctest Growth
+
+ @child %{
+ name: "Jane Doe",
+ gender: :female,
+ date_of_measurement: Date.utc_today(),
+ age_in_days: 91,
+ weight: 5.84,
+ height: 59.78,
+ head_circumference: 39.51,
+ arm_circumference: 13.02,
+ subscapular_skinfold: 7.79,
+ triceps_skinfold: 9.75
+ }
+ @child_date_of_birth Date.shift(@child.date_of_measurement, day: @child.age_in_days * -1)
+
+ describe "new/4" do
+ test "create a new growth measurement" do
+ growth =
+ Growth.new(@child.name, @child.gender, @child_date_of_birth,
+ date_of_measurement: @child.date_of_measurement,
+ weight: @child.weight,
+ height: @child.height,
+ head_circumference: @child.head_circumference,
+ arm_circumference: @child.arm_circumference,
+ subscapular_skinfold: @child.subscapular_skinfold,
+ triceps_skinfold: @child.triceps_skinfold
+ )
+
+ assert @child.name == growth.name
+ assert @child.gender == growth.gender
+ assert @child_date_of_birth == growth.date_of_birth
+ assert @child.date_of_measurement == growth.date_of_measurement
+ assert @child.age_in_days == growth.age_in_days
+ assert 13 == growth.age_in_weeks
+ assert 2 == growth.age_in_months
+ assert @child.weight == growth.weight
+ assert @child.height == growth.height
+ assert @child.head_circumference == growth.head_circumference
+ assert @child.arm_circumference == growth.arm_circumference
+ assert @child.subscapular_skinfold == growth.subscapular_skinfold
+ assert @child.triceps_skinfold == growth.triceps_skinfold
+ end
+ end
+
+ describe "with_bmi/1" do
+ test "calculate bmi from measurement" do
+ growth =
+ %Growth{
+ name: @child.name,
+ gender: @child.gender,
+ date_of_birth: @child_date_of_birth,
+ date_of_measurement: @child.date_of_measurement,
+ weight: @child.weight,
+ height: @child.height,
+ head_circumference: @child.head_circumference,
+ arm_circumference: @child.arm_circumference,
+ subscapular_skinfold: @child.subscapular_skinfold,
+ triceps_skinfold: @child.triceps_skinfold
+ }
+ |> Growth.with_age_in_days()
+ |> Growth.with_age_in_weeks()
+ |> Growth.with_age_in_months()
+ |> Growth.with_bmi()
+
+ assert 16.341842694989243 == growth.bmi
+ end
+ end
+
+ describe "with_results/1" do
+ test "calculate z-score and percentiles from measurement" do
+ growth =
+ %Growth{
+ name: @child.name,
+ gender: @child.gender,
+ date_of_birth: @child_date_of_birth,
+ date_of_measurement: @child.date_of_measurement,
+ weight: @child.weight,
+ height: @child.height,
+ head_circumference: @child.head_circumference,
+ arm_circumference: @child.arm_circumference,
+ subscapular_skinfold: @child.subscapular_skinfold,
+ triceps_skinfold: @child.triceps_skinfold,
+ results: []
+ }
+ |> Growth.with_age_in_days()
+ |> Growth.with_age_in_weeks()
+ |> Growth.with_age_in_months()
+ |> Growth.with_bmi()
+ |> Growth.with_results()
+
+ assert [
+ day: {9.496948997971584e-4, 0.5003788733920584},
+ week: {9.496948997971584e-4, 0.5003788733920584},
+ month: {1.0060928051683196, 0.8428145353253619}
+ ] == Keyword.get(growth.results, :weight)
+
+ assert [
+ day: {0.0012831717968983271, 0.5005119113423219},
+ week: {0.0012831717968983271, 0.5005119113423219},
+ month: {1.3322618635180914, 0.9086129228760054}
+ ] == Keyword.get(growth.results, :height)
+
+ assert [
+ day: {-0.007440424136462911, 0.4970317276150869},
+ week: {-0.007440424136462911, 0.4970317276150869},
+ month: {0.3827194919327071, 0.6490361198066796}
+ ] == Keyword.get(growth.results, :bmi)
+
+ assert [
+ day: {-0.008864109494641385, 0.4964637782528006},
+ week: {-0.008864109494641385, 0.4964637782528006},
+ month: {1.0380198575748647, 0.8503695948597997}
+ ] == Keyword.get(growth.results, :head_circumference)
+
+ assert [day: {-0.004182676756535293, 0.49833135826198854}] ==
+ Keyword.get(growth.results, :arm_circumference)
+
+ assert [day: {0.001811404894950268, 0.5007226456043324}] ==
+ Keyword.get(growth.results, :subscapular_skinfold)
+
+ assert [day: {-0.0019309186728254878, 0.49922967538007906}] ==
+ Keyword.get(growth.results, :triceps_skinfold)
+ end
+ end
+end