From 491663969e0e99a43a8026ef639e3bddf4816cb3 Mon Sep 17 00:00:00 2001
From: Michael Housh <mhoush@houshhomeenergy.com>
Date: Thu, 13 Mar 2025 09:22:14 -0400
Subject: [PATCH] feat: Adds Docker tests.

---
 .dockerignore                                 |  2 ++
 Dockerfile                                    | 28 +++++++++++++++++++
 Package.swift                                 |  2 +-
 .../Internal/CoolingInterpolation.swift       |  2 +-
 Tests/ManualSTests/ManualSTests.swift         |  2 +-
 justfile                                      |  8 ++++++
 6 files changed, 41 insertions(+), 3 deletions(-)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile
 create mode 100644 justfile

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..951bb34
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+.build
+.env
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..f6d41bb
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,28 @@
+ARG SWIFT_IMAGE="swift:6.0-noble"
+
+FROM ${SWIFT_IMAGE}
+
+# Install OS updates
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    && apt-get -q update \
+    && apt-get -q dist-upgrade -y
+
+# Set up a build area
+WORKDIR /build
+
+# First just resolve dependencies.
+# This creates a cached layer that can be reused
+# as long as your Package.swift/Package.resolved
+# files do not change.
+COPY ./Package.* ./
+RUN --mount=type=cache,target=/build/.build swift package resolve \
+  $([ -f ./Package.resolved ] && echo "--force-resolved-versions" || true)
+
+# Copy entire repo into container
+COPY . .
+
+# Build the application, with optimizations, with static linking, and using jemalloc
+# N.B.: The static version of jemalloc is incompatible with the static Swift runtime.
+RUN swift build
+
+CMD ["swift", "test"]
diff --git a/Package.swift b/Package.swift
index c88e347..bbabfb6 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 6.1
+// swift-tools-version: 6.0
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
diff --git a/Sources/ManualS/Internal/CoolingInterpolation.swift b/Sources/ManualS/Internal/CoolingInterpolation.swift
index 78116de..ba82f26 100644
--- a/Sources/ManualS/Internal/CoolingInterpolation.swift
+++ b/Sources/ManualS/Internal/CoolingInterpolation.swift
@@ -223,7 +223,7 @@ private extension CoolingInterpolation.OneWayOutdoor {
   private func interpolate(
     outdoorDesignTemperature: Int,
     aboveCapacity: KeyPath<CoolingInterpolation.OneWayOutdoor.Capacities.Capacity, Int>,
-    belowCapacity: KeyPath<CoolingInterpolation.OneWayOutdoor.Capacities.Capacity, Int>,
+    belowCapacity: KeyPath<CoolingInterpolation.OneWayOutdoor.Capacities.Capacity, Int>
   ) async -> Int {
     return await interpolateOutdoorCapacity(
       outdoorDesignTemperature: outdoorDesignTemperature,
diff --git a/Tests/ManualSTests/ManualSTests.swift b/Tests/ManualSTests/ManualSTests.swift
index 32f4bd7..867b49b 100644
--- a/Tests/ManualSTests/ManualSTests.swift
+++ b/Tests/ManualSTests/ManualSTests.swift
@@ -209,7 +209,7 @@ struct ManualSTests {
       @Dependency(\.manualS) var manualS
 
       let limits = try await manualS.sizingLimits(.init(
-        systemType: .heatingOnly(type: heatingType),
+        systemType: .heatingOnly(type: heatingType)
       ))
 
       #expect(limits.oversizing.heating == heatingType.oversizingLimit)
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..ea76d59
--- /dev/null
+++ b/justfile
@@ -0,0 +1,8 @@
+docker_image := "swift-manual-s"
+docker_tag := "latest"
+
+build-docker:
+  @docker build -t {{docker_image}}:{{docker_tag}} .
+
+test-docker: build-docker
+  @docker run --rm -i {{docker_image}}:{{docker_tag}} swift test