Add smoke test that builds example programs with mbed-cli

tools/test/examples.py

@@ -0,0 +1,34 @@
+""" import and bulid a bunch of example programs """
+
+import os
+import os.path
+import subprocess
+
+
+EXAMPLES = [
+    "https://developer.mbed.org/teams/mbed/code/mbed_blinky"
+]
+
+BUILD_TOOLCHAINS = [
+    "ARM",
+    "GCC_ARM",
+    "IAR",
+]
+
+BUILD_TARGETS = [
+    "K64F"
+]
+
+def main():
+    """Entry point"""
+    for example in EXAMPLES:
+        subprocess.call(["mbed-cli", "import", example])
+        os.chdir(os.path.basename(example))
+        for toolchain in BUILD_TOOLCHAINS:
+            for target in BUILD_TARGETS:
+                subprocess.Popen(["mbed-cli", "compile", "-t", toolchain, "-m",
+                                  target]).wait()
+        os.chdir("..")
+
+if __name__ == "__main__":
+    main()