From b0384f889ad107a940d0593a70479bb15323db48 Mon Sep 17 00:00:00 2001
From: Lars Melchior <TheLartians@users.noreply.github.com>
Date: Mon, 13 Apr 2020 17:30:09 +0200
Subject: [PATCH] add install test

---
 .github/workflows/install.yml | 30 ++++++++++++++++++++++++++++++
 test/CMakeLists.txt           | 13 +++++++++----
 2 files changed, 39 insertions(+), 4 deletions(-)
 create mode 100644 .github/workflows/install.yml

diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
new file mode 100644
index 0000000..b3f6f9c
--- /dev/null
+++ b/.github/workflows/install.yml
@@ -0,0 +1,30 @@
+name: Install
+
+on: [push]
+
+env:
+  CTEST_OUTPUT_ON_FAILURE: 1
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v1
+    
+    - name: install
+      run: |
+        cmake -H. -Bbuild
+        cmake --build build --target install
+
+    - name: configure
+      run: cmake -Htest -Bbuild/test -DTEST_INSTALLED_VERSION=1
+
+    - name: build
+      run: cmake --build build/test --config Debug
+
+    - name: test
+      run: |
+        cd build/test
+        ctest --build-config Debug
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 086e31b..6838995 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -7,6 +7,7 @@ project(GreeterTests
 # ---- Options ----
 
 option(ENABLE_TEST_COVERAGE "Enable test coverage" OFF)
+option(TEST_INSTALLED_VERSION "Test the version found by find_package" OFF)
 
 # ---- Dependencies ----
 
@@ -19,10 +20,14 @@ CPMAddPackage(
   GIT_TAG 2.3.2
 )
 
-CPMAddPackage(
-  NAME Greeter
-  SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/..
-)
+if (TEST_INSTALLED_VERSION)
+  find_package(Greeter)
+else()
+  CPMAddPackage(
+    NAME Greeter
+    SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/..
+  )
+endif()
 
 CPMAddPackage(
   NAME Format.cmake