Add simple import tests

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

.distro/plans/import.fmf

@@ -0,0 +1,12 @@
+summary:
+  Basic importing tests
+prepare+:
+  - name: Include minimum fetching packages
+    how: install
+    package:
+      - git
+discover+:
+  how: fmf
+  filter: "tag: import"
+execute:
+    how: tmt

.distro/tests/import/FetchContent/CMakeLists.txt

@@ -0,0 +1,15 @@
+# This is a simple project that tests using cmake to load the installed libraries
+cmake_minimum_required(VERSION 3.14)
+
+project(test_fetch_content LANGUAGES CXX)
+
+
+FetchContent_Declare(nlohmann_json_schema_validator
+		GIT_REPOSITORY https://github.com/pboettch/json-schema-validator
+		GIT_TAG main
+		)
+FetchContent_MakeAvailable(nlohmann_json_schema_validator)
+
+if (NOT TARGET nlohmann_json_schema_validator::validator)
+	message(FATAL_ERROR "Missing target nlohmann_json_schema_validator::validator")
+endif ()

.distro/tests/import/find_package/CMakeLists.txt

@@ -0,0 +1,11 @@
+# This is a simple project that tests using cmake to load the installed libraries
+cmake_minimum_required(VERSION 3.14)
+
+project(test_find_package LANGUAGES CXX)
+
+set(CMAKE_FIND_DEBUG_MODE ON)
+find_package(nlohmann_json_schema_validator REQUIRED)
+
+if (NOT TARGET nlohmann_json_schema_validator::validator)
+	message(FATAL_ERROR "Missing target nlohmann_json_schema_validator::validator")
+endif ()

.distro/tests/import/main.fmf

@@ -0,0 +1,11 @@
+# Common test variables
+tag:
+  - import
+tier: 0
+path: /tests/import
+
+# Define tests
+/find_package:
+  test: ./test_find_package.sh
+/FetchContent:
+  test: ./test_FetchContent.sh

.distro/tests/import/test_FetchContent.sh

@@ -0,0 +1,4 @@
+#!/bin/bash -eux
+
+tmp_dir=$(mktemp -d)
+cmake -S ./FetchContent -B ${tmp_dir}

.distro/tests/import/test_find_package.sh

@@ -0,0 +1,4 @@
+#!/bin/bash -eux
+
+tmp_dir=$(mktemp -d)
+cmake -S ./find_package -B ${tmp_dir}