Add some unit tests

app/models/stat.rb

@@ -5,20 +5,16 @@ class Stat < ApplicationRecord
 
   belongs_to :user
 
-  def timespan
-    DateTime.new(year, month).beginning_of_month..DateTime.new(year, month).end_of_month
-  end
-
   def distance_by_day
     timespan.to_a.map.with_index(1) do |day, index|
       beginning_of_day = day.beginning_of_day.to_i
       end_of_day = day.end_of_day.to_i
 
-      data = { day: index, distance: 0 }
-
       # We have to filter by user as well
       points = Point.where(timestamp: beginning_of_day..end_of_day)
 
+      data = { day: index, distance: 0 }
+
       points.each_cons(2) do |point1, point2|
         distance = Geocoder::Calculations.distance_between(
           [point1.latitude, point1.longitude], [point2.latitude, point2.longitude]
@@ -49,12 +45,18 @@ class Stat < ApplicationRecord
 
     data = CountriesAndCities.new(points).call
 
-    { countries: data.count, cities: data.sum { |country| country[:cities].count } }
+    { countries: data.map { _1[:country] }.uniq.count, cities: data.sum { |country| country[:cities].count } }
   end
 
   def self.years
-    starting_year = pluck(:year).uniq.min || Time.current.year
+    starting_year = select(:year).min&.year || Time.current.year
 
     (starting_year..Time.current.year).to_a.reverse
   end
+
+  private
+
+  def timespan
+    DateTime.new(year, month).beginning_of_month..DateTime.new(year, month).end_of_month
+  end
 end

spec/factories/imports.rb

@@ -1,6 +1,7 @@
 FactoryBot.define do
   factory :import do
-    user_id { "" }
+    user
+    name { 'APRIL_2013.json' }
     source { 1 }
   end
 end

spec/factories/points.rb

@@ -21,7 +21,7 @@ FactoryBot.define do
     raw_data { "" }
     tracker_id { "MyString" }
     import_id { "" }
-    city { "MyString" }
-    country { "MyString" }
+    city { nil }
+    country { nil }
   end
 end

spec/jobs/reverse_geocoding_job_spec.rb

@@ -0,0 +1,61 @@
+require 'rails_helper'
+
+RSpec.describe ReverseGeocodingJob, type: :job do
+  describe '#perform' do
+    subject(:perform) { described_class.new.perform(point.id) }
+
+    let(:point) { create(:point) }
+
+    before do
+      allow(Geocoder).to receive(:search).and_return([double(city: 'City', country: 'Country')])
+    end
+
+    context 'when REVERSE_GEOCODING_ENABLED is false' do
+      before { stub_const('REVERSE_GEOCODING_ENABLED', false) }
+
+      it 'does not update point' do
+        expect { perform }.not_to change { point.reload.city }
+      end
+
+      it 'does not call Geocoder' do
+        perform
+
+        expect(Geocoder).not_to have_received(:search)
+      end
+    end
+
+    context 'when REVERSE_GEOCODING_ENABLED is true' do
+      before { stub_const('REVERSE_GEOCODING_ENABLED', true) }
+
+      it 'updates point with city and country' do
+        expect { perform }.to change { point.reload.city }.from(nil)
+      end
+
+      it 'calls Geocoder' do
+        perform
+
+        expect(Geocoder).to have_received(:search).with([point.latitude, point.longitude])
+      end
+
+      context 'when point has city and country' do
+        let(:point) { create(:point, city: 'City', country: 'Country') }
+
+        before do
+          allow(Geocoder).to receive(:search).and_return(
+            [double(city: 'Another city', country: 'Some country')]
+          )
+        end
+
+        it 'does not update point' do
+          expect { perform }.not_to change { point.reload.city }
+        end
+
+        it 'does not call Geocoder' do
+          perform
+
+          expect(Geocoder).not_to have_received(:search)
+        end
+      end
+    end
+  end
+end

spec/jobs/stat_creating_job_spec.rb

@@ -1,5 +1,20 @@
 require 'rails_helper'
 
 RSpec.describe StatCreatingJob, type: :job do
-  pending "add some examples to (or delete) #{__FILE__}"
+  describe '#perform' do
+    let(:user) { create(:user) }
+
+    subject { described_class.perform_now([user.id]) }
+
+    before do
+      allow(CreateStats).to receive(:new).and_call_original
+      allow_any_instance_of(CreateStats).to receive(:call)
+    end
+
+    it 'creates a stat' do
+      subject
+
+      expect(CreateStats).to have_received(:new).with([user.id])
+    end
+  end
 end

spec/models/stat_spec.rb

@@ -1,6 +1,135 @@
 require 'rails_helper'
 
 RSpec.describe Stat, type: :model do
-  it { is_expected.to validate_presence_of(:year) }
-  it { is_expected.to validate_presence_of(:month) }
+  describe 'associations' do
+    it { is_expected.to belong_to(:user) }
+    it { is_expected.to validate_presence_of(:year) }
+    it { is_expected.to validate_presence_of(:month) }
+  end
+
+  describe 'methods' do
+    let(:year) { 2021 }
+
+    describe '.year_cities_and_countries' do
+      subject { described_class.year_cities_and_countries(year) }
+
+      before do
+        stub_const('MINIMUM_POINTS_IN_CITY', 1)
+      end
+
+      context 'when there are points' do
+        let!(:points) do
+          create_list(:point, 3, city: 'City', country: 'Country', timestamp: DateTime.new(year, 1))
+          create_list(:point, 2, city: 'Some City', country: 'Another country', timestamp: DateTime.new(year, 2))
+        end
+
+
+        it 'returns countries and cities' do
+          expect(subject).to eq(countries: 2, cities: 2)
+        end
+      end
+
+      context 'when there are no points' do
+        it 'returns countries and cities' do
+          expect(subject).to eq(countries: 0, cities: 0)
+        end
+      end
+    end
+
+    describe '.years' do
+      subject { described_class.years }
+
+      context 'when there are no stats' do
+        it 'returns years' do
+          expect(subject).to eq([Time.current.year])
+        end
+      end
+
+      context 'when there are stats' do
+        let(:user) { create(:user) }
+        let(:expected_years) { (year..Time.current.year).to_a.reverse }
+
+        before do
+          create(:stat, year: 2021, user: user)
+          create(:stat, year: 2020, user: user)
+        end
+
+        it 'returns years' do
+          expect(subject).to eq(expected_years)
+        end
+      end
+    end
+
+    describe '#distance_by_day' do
+      subject { stat.distance_by_day }
+
+      let(:user) { create(:user) }
+      let(:stat) { create(:stat, year: year, month: 1, user: user) }
+      let(:expected_distance) do
+        # 31 day of January
+        (1..31).map { |day| [day, 0] }
+      end
+
+      context 'when there are points' do
+        let!(:points) do
+          create(:point, latitude: 1, longitude: 1, timestamp: DateTime.new(year, 1, 1, 1))
+          create(:point, latitude: 2, longitude: 2, timestamp: DateTime.new(year, 1, 1, 2))
+        end
+
+        before { expected_distance[0][1] = 157.23 }
+
+        it 'returns distance by day' do
+          expect(subject).to eq(expected_distance)
+        end
+      end
+
+      context 'when there are no points' do
+        it 'returns distance by day' do
+          expect(subject).to eq(expected_distance)
+        end
+      end
+    end
+
+    describe '#timespan' do
+      subject { stat.send(:timespan) }
+
+      let(:stat) { build(:stat, year: year, month: 1) }
+      let(:expected_timespan) { DateTime.new(year, 1).beginning_of_month..DateTime.new(year, 1).end_of_month }
+
+      it 'returns timespan' do
+        expect(subject).to eq(expected_timespan)
+      end
+    end
+
+    describe '#self.year_distance' do
+      subject { described_class.year_distance(year) }
+
+      let(:user) { create(:user) }
+      let(:expected_distance) do
+        (1..12).map { |month| [Date::MONTHNAMES[month], 0] }
+      end
+
+      context 'when there are stats' do
+        let!(:stats) do
+          create(:stat, year: year, month: 1, distance: 100, user: user)
+          create(:stat, year: year, month: 2, distance: 200, user: user)
+        end
+
+        before do
+          expected_distance[0][1] = 100
+          expected_distance[1][1] = 200
+        end
+
+        it 'returns year distance' do
+          expect(subject).to eq(expected_distance)
+        end
+      end
+
+      context 'when there are no stats' do
+        it 'returns year distance' do
+          expect(subject).to eq(expected_distance)
+        end
+      end
+    end
+  end
 end

spec/models/user_spec.rb

@@ -1,7 +1,68 @@
 require 'rails_helper'
 
 RSpec.describe User, type: :model do
-  it { is_expected.to have_many(:imports).dependent(:destroy) }
-  it { is_expected.to have_many(:points).through(:imports) }
-  it { is_expected.to have_many(:stats) }
+  describe 'associations' do
+    it { is_expected.to have_many(:imports).dependent(:destroy) }
+    it { is_expected.to have_many(:points).through(:imports) }
+    it { is_expected.to have_many(:stats) }
+  end
+
+  describe 'methods' do
+    let(:user) { create(:user) }
+
+    xdescribe '#export_data' do
+      subject { user.export_data }
+
+      let(:import) { create(:import, user: user) }
+      let(:point) { create(:point, import: import) }
+
+      it 'returns json' do
+        expect(subject).to include(user.email)
+        expect(subject).to include('dawarich-export')
+        expect(subject).to include(point.attributes.except('raw_data', 'id', 'created_at', 'updated_at', 'country', 'city', 'import_id').to_json)
+      end
+    end
+
+    describe '#total_km' do
+      subject { user.total_km }
+
+      let!(:stat_1) { create(:stat, user: user, distance: 10) }
+      let!(:stat_2) { create(:stat, user: user, distance: 20) }
+
+      it 'returns sum of distances' do
+        expect(subject).to eq(30)
+      end
+    end
+
+    describe '#total_countries' do
+      subject { user.total_countries }
+
+      let!(:stat) { create(:stat, user: user, toponyms: [{ 'country' => 'Country' }]) }
+
+      it 'returns number of countries' do
+        expect(subject).to eq(1)
+      end
+    end
+
+    describe '#total_cities' do
+      subject { user.total_cities }
+
+      let!(:stat) { create(:stat, user: user, toponyms: [{ 'city' => 'City' }]) }
+
+      it 'returns number of cities' do
+        expect(subject).to eq(1)
+      end
+    end
+
+    describe '#total_reverse_geocoded' do
+      subject { user.total_reverse_geocoded }
+
+      let(:import) { create(:import, user: user) }
+      let!(:point) { create(:point, country: 'Country', city: 'City', import: import) }
+
+      it 'returns number of reverse geocoded points' do
+        expect(subject).to eq(1)
+      end
+    end
+  end
 end