feat: Adds Docker tests.

.dockerignore

@@ -0,0 +1,2 @@
+.build
+.env

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"]

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

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,

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)

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