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Maybe/test/models/trend_test.rb
Zach Gollwitzer d75be2282b
New Design System + Codebase Refresh (#1823)
Since the very first 0.1.0-alpha.1 release, we've been moving quickly to add new features to the Maybe app. In doing so, some parts of the codebase have become outdated, unnecessary, or overly-complex as a natural result of this feature prioritization.

Now that "core" Maybe is complete, we're moving into a second phase of development where we'll be working hard to improve the accuracy of existing features and build additional features on top of "core". This PR is a quick overhaul of the existing codebase aimed to:

- Establish the brand new and simplified dashboard view (pictured above)
- Establish and move towards the conventions introduced in Cursor rules and project design overview #1788
- Consolidate layouts and improve the performance of layout queries
- Organize the core models of the Maybe domain (i.e. Account::Entry, Account::Transaction, etc.) and break out specific traits of each model into dedicated concerns for better readability
- Remove stale / dead code from codebase
- Remove overly complex code paths in favor of simpler ones
2025-02-21 11:57:59 -05:00

40 lines
1.1 KiB
Ruby

require "test_helper"
class TrendTest < ActiveSupport::TestCase
test "handles money trend" do
trend = Trend.new(current: Money.new(100), previous: Money.new(50))
assert_equal "up", trend.direction
assert_equal Money.new(50), trend.value
assert_equal 100.0, trend.percent
end
test "up" do
trend = Trend.new(current: 100, previous: 50)
assert_equal "up", trend.direction
assert_equal "var(--color-success)", trend.color
end
test "down" do
trend = Trend.new(current: 50, previous: 100)
assert_equal "down", trend.direction
assert_equal "var(--color-destructive)", trend.color
end
test "flat" do
trend1 = Trend.new(current: 100, previous: 100)
trend2 = Trend.new(current: 100, previous: nil)
assert_equal "flat", trend1.direction
assert_equal "up", trend2.direction
assert_equal "var(--color-gray)", trend1.color
end
test "infinitely up" do
trend = Trend.new(current: 100, previous: 0)
assert_equal "up", trend.direction
end
test "infinitely down" do
trend = Trend.new(current: 0, previous: 100)
assert_equal "down", trend.direction
end
end