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require "rails_helper"
describe Program do
it "saves a slug" do
program = create(:program, name: "Strong Lifts 5x5")
expect(program.slug).to eql("strong-lifts-5x5")
end
describe ".stronglifts" do
include_context "stronglifts_program"
it "returns the stronglifts program" do
expect(Program.stronglifts).to eql(program)
end
end
describe "#prepare_sets_for" do
include_context "stronglifts_program"
subject { Program.stronglifts }
describe "squat" do
let(:user) { build(:user) }
it "returns 5 work sets of 5 repetitions" do
sets = subject.prepare_sets_for(user, squat)
worksets = sets.select(&:work?)
expect(worksets.length).to eql(5)
expect(worksets.map(&:target_repetitions)).to match_array([5, 5, 5, 5, 5])
end
it "returns 3 sets of 5 repetitions when the last workout was 3x5" do
workout = create(:workout, user: user, routine: routine_a)
3.times { workout.train(squat, 45, repetitions: 5) }
sets = subject.prepare_sets_for(user, squat)
worksets = sets.select(&:work?)
expect(worksets.length).to eql(3)
expect(worksets.map(&:target_repetitions)).to match_array([5, 5, 5])
end
it "returns the correct exercise for each set" do
sets = subject.prepare_sets_for(user, squat)
expect(sets.map(&:exercise).uniq).to match_array([squat])
end
it "returns 45 lbs for the first workout" do
sets = subject.prepare_sets_for(user, squat).select(&:work?)
expect(sets.map(&:target_weight).uniq).to match_array([45.lbs])
end
it "returns 50 lbs for the second workout" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 45, repetitions: 5) }
sets = subject.prepare_sets_for(user, squat).select(&:work?)
expect(sets.map(&:target_weight).uniq).to match_array([50.lbs])
end
it "returns the same weight after a failed workout" do
workout = create(:workout, user: user, routine: routine_a)
5.times { |n| workout.train(squat, 45, repetitions: n) }
sets = subject.prepare_sets_for(user, squat).select(&:work?)
expect(sets.map(&:target_weight).uniq).to match_array([45.lbs])
end
it "deloads you by 10% after 3 consecutive failed workouts" do
3.times do
workout = create(:workout, user: user, routine: routine_a)
5.times { |n| workout.train(squat, 310, repetitions: n) }
end
sets = subject.prepare_sets_for(user, squat).select(&:work?)
expect(sets.map(&:target_weight).uniq).to match_array([275.lbs])
end
describe "warmup" do
describe "when the workset is less than 65 lbs" do
it "returns zero warmup sets" do
sets = subject.prepare_sets_for(user, squat)
warmup_sets = sets.select(&:warm_up?)
expect(warmup_sets.length).to eql(0)
end
end
describe "when the work set is between 65 lbs an 95 lbs" do
it "returns two warmup sets" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 65, repetitions: 5) }
sets = subject.prepare_sets_for(user, squat)
warmup_sets = sets.select(&:warm_up?)
expect(warmup_sets.length).to eql(2)
expect(warmup_sets.at(0).target_weight.to(:lbs)).to eql(45.lbs)
expect(warmup_sets.at(0).target_repetitions).to eql(5)
expect(warmup_sets.at(1).target_weight.to(:lbs)).to eql(45.lbs)
expect(warmup_sets.at(1).target_repetitions).to eql(5)
end
end
describe "when the work set is between 95 lbs and 105 lbs" do
it "returns another warm up set" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 95, repetitions: 5) }
sets = subject.prepare_sets_for(user, squat)
warmup_sets = sets.select(&:warm_up?)
expect(warmup_sets.length).to eql(3)
expect(warmup_sets.at(2).target_weight.to(:lbs)).to eql(65.lbs)
expect(warmup_sets.at(2).target_repetitions).to eql(3)
end
end
describe "when the work set is between 105 lbs and 125 lbs" do
it "returns another warm up set" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 105, repetitions: 5) }
warmup_sets = subject.prepare_sets_for(user, squat).select(&:warm_up?)
expect(warmup_sets.length).to eql(3)
expect(warmup_sets.last.target_weight.to(:lbs)).to eql(75.lbs)
expect(warmup_sets.last.target_repetitions).to eql(3)
end
end
describe "when the work set is between 125 lbs and 135 lbs" do
it "returns another warm up set" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 125, repetitions: 5) }
warmup_sets = subject.prepare_sets_for(user, squat).select(&:warm_up?)
expect(warmup_sets.length).to eql(3)
expect(warmup_sets.last.target_weight.to(:lbs)).to eql(85.lbs)
expect(warmup_sets.last.target_repetitions).to eql(3)
end
end
describe "when the work set is between 135 lbs and 150 lbs" do
it "returns another warm up set" do
workout = create(:workout, user: user, routine: routine_a)
5.times { workout.train(squat, 135, repetitions: 5) }
warmup_sets = subject.prepare_sets_for(user, squat).select(&:warm_up?)
expect(warmup_sets.length).to eql(4)
expect(warmup_sets.last.target_weight.to(:lbs)).to eql(115.lbs)
expect(warmup_sets.last.target_repetitions).to eql(3)
end
end
end
end
describe "deadlift" do
let(:user) { build(:user) }
it "returns 1 work set with 5 repetitions" do
sets = subject.prepare_sets_for(user, deadlift)
worksets = sets.select(&:work?)
expect(worksets.length).to eql(1)
expect(worksets.map(&:target_repetitions)).to match_array([5])
end
end
describe "planks" do
let(:user) { build(:user) }
it "returns 3 set with 1 rep at 60 seconds" do
sets = subject.prepare_sets_for(user, planks)
worksets = sets.select(&:work?)
expect(worksets.length).to eql(3)
expect(worksets.map(&:target_repetitions)).to match_array([1,1,1])
expect(worksets.map(&:target_weight).uniq).to match_array([0.lbs])
expect(worksets.map(&:target_duration).uniq).to match_array([60])
end
end
end
end
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