Allowing examples to specify which repo source to use for testing.

They can pick from either the mbed developer site or the GitHub
repository.

Author: bridadan

tools/test/examples/examples.json

@@ -6,6 +6,7 @@
       "mbed": [
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-blinky"
       ],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : [],
       "toolchains" : [],
@@ -23,6 +24,7 @@
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-tls-hashing",
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-tls-authcrypt"
       ],
+      "test-repo-source": "mbed",
       "features" : [],
       "targets" : ["K64F", "NUCLEO_F429ZI"],
       "toolchains" : ["GCC_ARM", "ARM"],
@@ -37,6 +39,7 @@
       "mbed": [
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-mesh-minimal"
       ],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["DISCO_F469NI", "DISCO_F746NG", "K64F", "K66F",
                    "NUCLEO_F429ZI", "NUCLEO_F439ZI", "NUCLEO_F746ZG",
@@ -63,6 +66,7 @@
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-Button",
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-BatteryLevel"
       ],
+      "test-repo-source": "mbed",
       "features" : ["BLE"],
       "targets" : ["NRF51_DK", "NRF52_DK", "K64F", "NUCLEO_F401RE"],
       "toolchains" : [],
@@ -77,6 +81,7 @@
       "mbed": [
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-client"
       ],
+      "test-repo-source": "github",
       "features" : ["LWIP"],
       "targets" : [],
       "toolchains" : [],
@@ -90,6 +95,7 @@
       "github":"https://github.com/ARMmbed/mbed-os-example-sockets",
       "mbed": [
       ],
+      "test-repo-source": "github",
       "features" : ["LWIP"],
       "targets" : [],
       "toolchains" : [],
@@ -103,6 +109,7 @@
       "github":"https://github.com/ARMmbed/mbed-os-example-wifi",
       "mbed": [
       ],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : [],
       "toolchains" : [],
@@ -115,6 +122,7 @@
       "name": "mbed-os-example-uvisor",
       "github":"https://github.com/ARMmbed/mbed-os-example-uvisor",
       "mbed": [],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F"],
       "toolchains" : ["GCC_ARM"],
@@ -127,6 +135,7 @@
       "name": "mbed-os-example-uvisor-thread",
       "github":"https://github.com/ARMmbed/mbed-os-example-uvisor-thread",
       "mbed": [],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F"],
       "toolchains" : ["GCC_ARM"],
@@ -139,6 +148,7 @@
       "name": "mbed-os-example-uvisor-number-store",
       "github":"https://github.com/ARMmbed/mbed-os-example-uvisor-number-store",
       "mbed": [],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F"],
       "toolchains" : ["GCC_ARM"],
@@ -153,6 +163,7 @@
       "mbed": [
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-bootloader"
       ],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F", "NUCLEO_F429ZI", "UBLOX_EVK_ODIN_W2"],
       "toolchains" : [],
@@ -167,6 +178,7 @@
       "mbed": [
           "https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-fat-filesystem"
       ],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F"],
       "toolchains" : [],
@@ -179,6 +191,7 @@
       "name": "nanostack-border-router",
       "github":"https://github.com/ARMmbed/nanostack-border-router",
       "mbed": [],
+      "test-repo-source": "github",
       "features" : [],
       "targets" : ["K64F", "K66F", "NUCLEO_F429ZI"],
       "toolchains" : [],

tools/test/examples/examples_lib.py

@@ -1,8 +1,8 @@
 """ Import and bulid a bunch of example programs
 
-    This library includes functions that are shared between the examples.py and 
+    This library includes functions that are shared between the examples.py and
     the update.py modules.
-    
+
  """
 import os
 from os.path import dirname, abspath, basename
@@ -123,20 +123,19 @@ def target_cross_ide(allowed_targets, allowed_ides, features=[], toolchains=[]):
 
 
 def get_repo_list(example):
-    """ Returns a list of all the repos associated with the specific example in the json
-        config file.
-        If there are repos listed under the mbed section then these will be returned as a 
-        list. If not then the github single repo with be returned. 
-        NOTE: This does not currently deal with multiple examples underneath a github 
+    """ Returns a list of all the repos and their types associated with the
+        specific example in the json config file.
+        If the key 'test-repo-source' is set to 'mbed', then it will return the
+        mbed section as a list. Otherwise, it will return the single github repo.
+        NOTE: This does not currently deal with multiple examples underneath a github
         sourced exampe repo.
 
     Args:
     example - Example for which the repo list is requested
-    repos - The list of repos and types contained within that example in the json file
 
     """
     repos = []
-    if len(example['mbed']) > 0:
+    if example['test-repo-source'] == 'mbed':
         for repo in example['mbed']:
             repos.append({
                 'repo': repo,
@@ -156,7 +155,7 @@ def source_repos(config, examples):
         there is already a clone of the repo then it will first be removed to
         ensure a clean, up to date cloning.
     Args:
-    config - the json object imported from the file. 
+    config - the json object imported from the file.
 
     """
     print("\nImporting example repos....\n")
@@ -214,7 +213,7 @@ def get_num_failures(results, export=False):
     Args:
     results - results summary of the compilation stage. See compile_repos() for
               details of the format.
-    num_failures 
+    num_failures
 
     """
     num_failures = 0
@@ -314,23 +313,23 @@ def status(message):
 
 def compile_repos(config, toolchains, targets, examples):
     """Compiles combinations of example programs, targets and compile chains.
-       
+
        The results are returned in a [key: value] dictionary format:
        Where key = The example name from the json config file
              value = a list containing: pass_status, successes, and failures
-             
+
              where pass_status = The overall pass status for the compilation of the full
                                  set of example programs comprising the example suite.
                                  True if all examples pass, false otherwise
-                   successes = list of passing examples. 
+                   successes = list of passing examples.
                    failures = list of failing examples.
-                   
+
                    Both successes and failures contain the example name, target and compile chain
 
     Args:
-    config - the json object imported from the file. 
+    config - the json object imported from the file.
     toolchains - List of toolchains to compile for.
-    results - results of the compilation stage. 
+    results - results of the compilation stage.
 
     """
     results = {}
@@ -349,8 +348,8 @@ def compile_repos(config, toolchains, targets, examples):
             for repo_info in get_repo_list(example):
                 name = basename(repo_info['repo'])
                 os.chdir(name)
-                
-                # Check that the target, toolchain and features combinations are valid and return a 
+
+                # Check that the target, toolchain and features combinations are valid and return a
                 # list of valid combinations to work through
                 for target, toolchain in target_cross_toolchain(valid_choices(example['targets'], targets),
                                                                 valid_choices(example['toolchains'], toolchains),
@@ -365,7 +364,7 @@ def compile_repos(config, toolchains, targets, examples):
                     else:
                         successes.append(example_summary)
                 os.chdir("..")
-            
+
             # If there are any compilation failures for the example 'set' then the overall status is fail.
             if len(failures) > 0:
                 pass_status = False
@@ -378,14 +377,14 @@ def compile_repos(config, toolchains, targets, examples):
 
 
 def update_mbedos_version(config, tag, examples):
-    """ For each example repo identified in the config json object, update the version of 
+    """ For each example repo identified in the config json object, update the version of
         mbed-os to that specified by the supplied GitHub tag. This function assumes that each
         example repo has already been cloned.
-        
+
     Args:
-    config - the json object imported from the file. 
+    config - the json object imported from the file.
     tag - GitHub tag corresponding to a version of mbed-os to upgrade to.
-    
+
     """
     print("Updating mbed-os in examples to version %s\n" % tag)
     for example in config['examples']:
@@ -397,4 +396,3 @@ def update_mbedos_version(config, tag, examples):
             os.chdir(update_dir)
             subprocess.call(["mbed-cli", "update", tag, "--clean"])
             os.chdir("../..")
-