[bazel] Simple bazel project (conan-io#123)

* Added Bazel example with fmt

* Added comments. Readme

* Updated link

* Only Linux

* simpler example

Author: franramirez688

.gitignore

@@ -65,3 +65,6 @@ tutorial/versioning/revisions/intro/chat/*
 tutorial/versioning/revisions/intro/hello/*
 examples/libraries/tensorflow-lite/pose-estimation/pose-estimation
 examples/libraries/imgui/introduction/bindings
+
+# Bazel files
+bazel-*

examples/tools/README.md

@@ -19,3 +19,7 @@
 ### [tools.autotools](autotools)
 
 - Build a [Autotools project](autotools/autotoolstoolchain/string_formatter/) using Conan and [fmt](https://fmt.dev/). [Docs](https://docs.conan.io/2/examples/tools/autotools/autotools_toolchain/build_project_autotools_toolchain.rst)
+
+### [tools.google](google)
+
+- Build a [Bazel project](bazel/bazeltoolchain/string_formatter/) using Conan and [fmt](https://fmt.dev/). [Docs](https://docs.conan.io/2/examples/tools/google/bazeltoolchain/build_simple_bazel_project.rst)

examples/tools/google/bazeltoolchain/string_formatter/WORKSPACE

@@ -0,0 +1,2 @@
+load("@//conan:dependencies.bzl", "load_conan_dependencies")
+load_conan_dependencies()

examples/tools/google/bazeltoolchain/string_formatter/conanfile.txt

@@ -0,0 +1,9 @@
+[requires]
+fmt/10.1.1
+
+[generators]
+BazelDeps
+BazelToolchain
+
+[layout]
+bazel_layout

examples/tools/google/bazeltoolchain/string_formatter/main/BUILD

@@ -0,0 +1,9 @@
+load("@rules_cc//cc:defs.bzl", "cc_binary")
+
+cc_binary(
+    name = "demo",
+    srcs = ["demo.cpp"],
+    deps = [
+        "@fmt//:fmt"
+    ],
+)

examples/tools/google/bazeltoolchain/string_formatter/main/demo.cpp

@@ -0,0 +1,7 @@
+#include <cstdlib>
+#include <fmt/core.h>
+
+int main() {
+    fmt::print("{} - The C++ Package Manager!\n", "Conan");
+    return EXIT_SUCCESS;
+}

examples/tools/google/bazeltoolchain/string_formatter/run_example.py

@@ -0,0 +1,25 @@
+import platform
+import shutil
+
+from test.examples_tools import run
+
+# ############# Example ################
+print("\n- Use the BazelToolchain and BazelDeps generators -\n")
+
+if platform.system() != "Linux":
+    print(f"SKIPPED TEST BECAUSE BAZEL IS NOT INSTALLED IN {platform.system()} PLATFORM YET.")
+    exit(0)
+
+output = run("bazel --version")
+
+try:
+    print("\n- Conan installing all the files into the build folder -\n")
+    run("conan install . --build=missing")
+    print("\n- Running bazel build command to compile the demo bazel target -\n")
+    run("bazel --bazelrc=./conan/conan_bzl.rc build --config=conan-config //main:demo")
+    print("\n- Running the application 'demo' created -\n")
+    run("./bazel-bin/main/demo")
+finally:
+    # Remove all the bazel symlinks and clean its cache
+    run("bazel clean")
+    shutil.rmtree("conan", ignore_errors=True)