tests: add spread suite for kbuild plugin

Move the plugin integration tests for the Kbuild plugin into a Spread
suite.

LP: #1783835

Signed-off-by: Kyle Fazzari <kyrofa@ubuntu.com>

spread.yaml

@@ -86,6 +86,8 @@ suites:
    summary: tests of snapcraft's CMake plugin
  tests/spread/plugins/go/:
    summary: tests of snapcraft's Go plugin
+ tests/spread/plugins/kbuild/:
+   summary: tests of snapcraft's Kbuild plugin
 
  spread_tests/:
    summary: old tests of the snapcraft snap, being phased out

tests/spread/plugins/kbuild/cross_compile/task.yaml

@@ -0,0 +1,14 @@
+summary: Cross-compile a Kbuild snap
+
+environment:
+  SNAP_DIR: ../snaps/kbuild-hello
+
+restore: |
+  cd "$SNAP_DIR"
+  snapcraft clean
+  rm -f ./*.snap
+
+execute: |
+  cd "$SNAP_DIR"
+  snapcraft stage --target-arch=armhf
+  file stage/bin/myapp | MATCH ",\s*ARM\s*,"

tests/spread/plugins/kbuild/run/task.yaml

@@ -0,0 +1,19 @@
+summary: Build and run a basic Kbuild snap
+
+environment:
+  SNAP_DIR: ../snaps/kbuild-hello
+
+restore: |
+  cd "$SNAP_DIR"
+  snapcraft clean
+  rm -f ./*.snap
+
+execute: |
+  cd "$SNAP_DIR"
+  snapcraft
+  sudo snap install kbuild-hello_*.snap --dangerous
+
+  # Verify that Foo was configured, and Bar was not
+  output="$(kbuild-hello.myapp | grep "You have configured" -A2)"
+  echo "$output" | MATCH "Foo"
+  echo "$output" | MATCH -v "Bar"

tests/integration/snaps/kbuild-hello/defconfig → tests/spread/plugins/kbuild/snaps/kbuild-hello/defconfig

@@ -3,4 +3,6 @@
 #
 CONFIG_CROSS_COMPILE=""
 CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
+CONFIG_ENABLE_FOO_BAR=y
+CONFIG_FOO=y
 CONFIG_BAR=y

tests/integration/snaps/kbuild-hello/snap/snapcraft.yaml → tests/spread/plugins/kbuild/snaps/kbuild-hello/snap/snapcraft.yaml

@@ -1,10 +1,16 @@
 name: kbuild-hello
-version: 1.0
+version: '1.0'
 summary: simple example using the kbuild build system
 description: this is a basic snap using kbuild to build a hello-world
    example program
+
+grade: devel
 confinement: strict
 
+apps:
+  myapp:
+    command: myapp
+
 parts:
   kbuild-hello:
     plugin: kbuild
@@ -13,8 +19,10 @@ parts:
     build-packages: [gcc, libc6-dev]
     kconfigfile: defconfig
     kconfigs:
-     - CONFIG_FOO=n
+      # This is enabled in the defconfig, make sure we can override
+      - CONFIG_BAR=n
     build-attributes: [no-install]
-    install: |
+    override-build: |
+      snapcraftctl build
       mkdir -p $SNAPCRAFT_PART_INSTALL/bin
       cp myapp $SNAPCRAFT_PART_INSTALL/bin/