testimage: Modularize helper functions for get test lists.

Test lists functions can be used in other parts so modularize it and
move to oeqa/oetest.py library.

Testimage class was updated to meet the new sign of the functions.

(From OE-Core rev: c9f771533af70e7ccb1e7064e58926cfaee7367a)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/oetest.py

@@ -250,3 +250,77 @@ def skipModuleUnless(cond, reason):
 
     if not cond:
         skipModule(reason, 3)
+
+# get testcase list from specified file
+# if path is a relative path, then relative to build/conf/
+def read_testlist(fpath, builddir):
+    if not os.path.isabs(fpath):
+        fpath = os.path.join(builddir, "conf", fpath)
+    if not os.path.exists(fpath):
+        bb.fatal("No such manifest file: ", fpath)
+    tcs = []
+    for line in open(fpath).readlines():
+        line = line.strip()
+        if line and not line.startswith("#"):
+            tcs.append(line)
+    return " ".join(tcs)
+
+# get test suites, returns test suites based on d variables
+def get_test_suites(d, type='runtime'):
+    testsuites = []
+
+    if type == "sdk":
+        testsuites = (d.getVar("TEST_SUITES_SDK", True) or "auto").split()
+    else:
+        manifests = (d.getVar("TEST_SUITES_MANIFEST", True) or '').split()
+        if manifests:
+            for manifest in manifests:
+                testsuites.extend(read_testlist(manifest,
+                                    d.getVar("TOPDIR", True)).split())
+
+        else:
+            testsuites = d.getVar("TEST_SUITES", True).split()
+
+    return testsuites
+
+# return test list by type also filter if TEST_SUITES is specified
+def get_tests_list(testsuites, bbpath, type="runtime"):
+    testslist = []
+
+    # This relies on lib/ under each directory in BBPATH being added to sys.path
+    # (as done by default in base.bbclass)
+    for testname in testsuites:
+        if testname != "auto":
+            if testname.startswith("oeqa."):
+                testslist.append(testname)
+                continue
+            found = False
+            for p in bbpath:
+                if os.path.exists(os.path.join(p, 'lib', 'oeqa', type, testname + '.py')):
+                    testslist.append("oeqa." + type + "." + testname)
+                    found = True
+                    break
+                elif os.path.exists(os.path.join(p, 'lib', 'oeqa', type, testname.split(".")[0] + '.py')):
+                    testslist.append("oeqa." + type + "." + testname)
+                    found = True
+                    break
+            if not found:
+                bb.fatal('Test %s specified in TEST_SUITES could not be found in lib/oeqa/runtime under BBPATH' % testname)
+
+    if "auto" in testsuites:
+        def add_auto_list(path):
+            if not os.path.exists(os.path.join(path, '__init__.py')):
+                bb.fatal('Tests directory %s exists but is missing __init__.py' % path)
+            files = sorted([f for f in os.listdir(path) if f.endswith('.py') and not f.startswith('_')])
+            for f in files:
+                module = 'oeqa.' + type + '.' + f[:-3]
+                if module not in testslist:
+                    testslist.append(module)
+
+        for p in bbpath:
+            testpath = os.path.join(p, 'lib', 'oeqa', type)
+            bb.debug(2, 'Searching for tests in %s' % testpath)
+            if os.path.exists(testpath):
+                add_auto_list(testpath)
+
+    return testslist