Update Conan recipe

- Apply new conventions introduced on Conan 1.8
- Removed outdated settings
- Update license to follow SPDX format

Closes #926
Closes #943

.conan/build.py

@@ -0,0 +1,94 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import os
+import re
+from cpt.packager import ConanMultiPackager
+from cpt.ci_manager import CIManager
+from cpt.printer import Printer
+
+
+class BuilderSettings(object):
+    @property
+    def username(self):
+        """ Set catchorg as package's owner
+        """
+        return os.getenv("CONAN_USERNAME", "catchorg")
+
+    @property
+    def login_username(self):
+        """ Set Bintray login username
+        """
+        return os.getenv("CONAN_LOGIN_USERNAME", "horenmar")
+
+    @property
+    def upload(self):
+        """ Set Catch2 repository to be used on upload.
+            The upload server address could be customized by env var
+            CONAN_UPLOAD. If not defined, the method will check the branch name.
+            Only master or CONAN_STABLE_BRANCH_PATTERN will be accepted.
+            The master branch will be pushed to testing channel, because it does
+            not match the stable pattern. Otherwise it will upload to stable
+            channel.
+        """
+        return os.getenv("CONAN_UPLOAD", "https://api.bintray.com/conan/horenmar/Catch2")
+
+    @property
+    def upload_only_when_stable(self):
+        """ Force to upload when running over tag branch
+        """
+        return os.getenv("CONAN_UPLOAD_ONLY_WHEN_STABLE", "True").lower() in ["true", "1", "yes"]
+
+    @property
+    def stable_branch_pattern(self):
+        """ Only upload the package the branch name is like a tag
+        """
+        return os.getenv("CONAN_STABLE_BRANCH_PATTERN", r"v\d+\.\d+\.\d+")
+
+    @property
+    def reference(self):
+        """ Read project version from branch create Conan referece
+        """
+        return os.getenv("CONAN_REFERENCE", "Catch2/{}@{}/{}".format(self._version, self.username, self.channel))
+
+    @property
+    def channel(self):
+        """ Default Conan package channel when not stable
+        """
+        return os.getenv("CONAN_CHANNEL", "testing")
+
+    @property
+    def _version(self):
+        """ Get version name from cmake file
+        """
+        pattern = re.compile(r"project\(Catch2 LANGUAGES CXX VERSION (\d+\.\d+\.\d+)\)")
+        version = "latest"
+        with open("CMakeLists.txt") as file:
+            for line in file:
+                result = pattern.search(line)
+                if result:
+                    version = result.group(1)
+        return version
+
+    @property
+    def _branch(self):
+        """ Get branch name from CI manager
+        """
+        printer = Printer(None)
+        ci_manager = CIManager(printer)
+        return ci_manager.get_branch()
+
+
+if __name__ == "__main__":
+    settings = BuilderSettings()
+    builder = ConanMultiPackager(
+        reference=settings.reference,
+        channel=settings.channel,
+        upload=settings.upload,
+        upload_only_when_stable=settings.upload_only_when_stable,
+        stable_branch_pattern=settings.stable_branch_pattern,
+        login_username=settings.login_username,
+        username=settings.username,
+        test_folder=os.path.join(".conan", "test_package"))
+    builder.add()
+    builder.run()

.conan/test_package/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.2.0)
+project(test_package CXX)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(Catch2 REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} CONAN_PKG::Catch2)
+set_target_properties(${PROJECT_NAME} PROPERTIES CXX_STANDARD 11)

.conan/test_package/conanfile.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from conans import ConanFile, CMake
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        assert os.path.isfile(os.path.join(self.deps_cpp_info["Catch2"].rootpath, "licenses", "LICENSE.txt"))
+        bin_path = os.path.join("bin", "test_package")
+        self.run("%s -s" % bin_path, run_environment=True)

.conan/test_package/test_package.cpp

@@ -0,0 +1,15 @@
+#define CATCH_CONFIG_MAIN
+
+#include <catch2/catch.hpp>
+
+int Factorial( int number ) {
+    return number <= 1 ? 1 : Factorial( number - 1 ) * number;
+}
+
+TEST_CASE( "Factorial Tests", "[single-file]" ) {
+    REQUIRE( Factorial(0) == 1 );
+    REQUIRE( Factorial(1) == 1 );
+    REQUIRE( Factorial(2) == 2 );
+    REQUIRE( Factorial(3) == 6 );
+    REQUIRE( Factorial(10) == 3628800 );
+}

.gitignore

@@ -27,3 +27,4 @@ Build
 .vs
 cmake-build-*
 benchmark-dir
+.conan/test_package/build

.travis.yml

@@ -271,6 +271,19 @@ matrix:
               packages: ['clang-6.0', 'libstdc++-8-dev']
       env: COMPILER='clang++-6.0' CPP17=1 EXAMPLES=1 COVERAGE=1 EXTRAS=1
 
+    # 8/ Conan
+    - language: python
+      python:
+        - "3.7"
+      dist: xenial
+      install:
+        - pip install conan conan-package-tools
+      env:
+        - CONAN_GCC_VERSIONS=8
+        - CONAN_DOCKER_IMAGE=conanio/gcc8
+      script:
+        - python .conan/build.py
+
 install:
   - DEPS_DIR="${TRAVIS_BUILD_DIR}/deps"
   - mkdir -p ${DEPS_DIR} && cd ${DEPS_DIR}

conanfile.py

@@ -3,19 +3,15 @@
 
 
 class CatchConan(ConanFile):
-    name = "Catch"
-    version = "2.4.2"
+    name = "Catch2"
     description = "A modern, C++-native, header-only, framework for unit-tests, TDD and BDD"
-    author = "philsquared"
-    generators = "cmake"
-    # Only needed until conan 1.5 is released
-    settings = "compiler", "arch"
-    exports_sources = "single_include/*", "CMakeLists.txt", "CMake/catch2.pc.in", "LICENSE.txt"
+    topics = ("conan", "catch2", "header-only", "unit-test", "tdd", "bdd")
     url = "https://github.com/catchorg/Catch2"
-    license = "Boost Software License - Version 1.0. http://www.boost.org/LICENSE_1_0.txt"
-
-    def build(self):
-        pass
+    homepage = url
+    license = "BSL-1.0"
+    exports = "LICENSE.txt"
+    exports_sources = ("single_include/*", "CMakeLists.txt", "CMake/*", "contrib/*")
+    generators = "cmake"
 
     def package(self):
         cmake = CMake(self)