[lit] Move formats into their own subpackage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188355 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 243 insertions, 0 deletions

diff --git a/utils/lit/lit/formats/__init__.py b/utils/lit/lit/formats/__init__.py
new file mode 100644
index 0000000..f4a303c
--- /dev/null
+++ b/utils/lit/lit/formats/__init__.py
@@ -0,0 +1,4 @@
+from __future__ import absolute_import
+from lit.formats.base import FileBasedTest, OneCommandPerFileTest
+from lit.formats.googletest import GoogleTest
+from lit.formats.shtest import ShTest
diff --git a/utils/lit/lit/formats/base.py b/utils/lit/lit/formats/base.py
new file mode 100644
index 0000000..3c38041
--- /dev/null
+++ b/utils/lit/lit/formats/base.py
@@ -0,0 +1,114 @@
+from __future__ import absolute_import
+import os
+import sys
+
+import lit.Test
+import lit.TestRunner
+import lit.util
+
+class FileBasedTest(object):
+    def getTestsInDirectory(self, testSuite, path_in_suite,
+                            litConfig, localConfig):
+        source_path = testSuite.getSourcePath(path_in_suite)
+        for filename in os.listdir(source_path):
+            # Ignore dot files and excluded tests.
+            if (filename.startswith('.') or
+                filename in localConfig.excludes):
+                continue
+
+            filepath = os.path.join(source_path, filename)
+            if not os.path.isdir(filepath):
+                base,ext = os.path.splitext(filename)
+                if ext in localConfig.suffixes:
+                    yield lit.Test.Test(testSuite, path_in_suite + (filename,),
+                                        localConfig)
+
+###
+
+import re
+import tempfile
+
+class OneCommandPerFileTest:
+    # FIXME: Refactor into generic test for running some command on a directory
+    # of inputs.
+
+    def __init__(self, command, dir, recursive=False,
+                 pattern=".*", useTempInput=False):
+        if isinstance(command, str):
+            self.command = [command]
+        else:
+            self.command = list(command)
+        if dir is not None:
+            dir = str(dir)
+        self.dir = dir
+        self.recursive = bool(recursive)
+        self.pattern = re.compile(pattern)
+        self.useTempInput = useTempInput
+
+    def getTestsInDirectory(self, testSuite, path_in_suite,
+                            litConfig, localConfig):
+        dir = self.dir
+        if dir is None:
+            dir = testSuite.getSourcePath(path_in_suite)
+
+        for dirname,subdirs,filenames in os.walk(dir):
+            if not self.recursive:
+                subdirs[:] = []
+
+            subdirs[:] = [d for d in subdirs
+                          if (d != '.svn' and
+                              d not in localConfig.excludes)]
+
+            for filename in filenames:
+                if (filename.startswith('.') or
+                    not self.pattern.match(filename) or
+                    filename in localConfig.excludes):
+                    continue
+
+                path = os.path.join(dirname,filename)
+                suffix = path[len(dir):]
+                if suffix.startswith(os.sep):
+                    suffix = suffix[1:]
+                test = lit.Test.Test(
+                    testSuite, path_in_suite + tuple(suffix.split(os.sep)),
+                    localConfig)
+                # FIXME: Hack?
+                test.source_path = path
+                yield test
+
+    def createTempInput(self, tmp, test):
+        abstract
+
+    def execute(self, test, litConfig):
+        if test.config.unsupported:
+            return (lit.Test.UNSUPPORTED, 'Test is unsupported')
+
+        cmd = list(self.command)
+
+        # If using temp input, create a temporary file and hand it to the
+        # subclass.
+        if self.useTempInput:
+            tmp = tempfile.NamedTemporaryFile(suffix='.cpp')
+            self.createTempInput(tmp, test)
+            tmp.flush()
+            cmd.append(tmp.name)
+        elif hasattr(test, 'source_path'):
+            cmd.append(test.source_path)
+        else:
+            cmd.append(test.getSourcePath())
+
+        out, err, exitCode = lit.TestRunner.executeCommand(cmd)
+
+        diags = out + err
+        if not exitCode and not diags.strip():
+            return lit.Test.PASS,''
+
+        # Try to include some useful information.
+        report = """Command: %s\n""" % ' '.join(["'%s'" % a
+                                                 for a in cmd])
+        if self.useTempInput:
+            report += """Temporary File: %s\n""" % tmp.name
+            report += "--\n%s--\n""" % open(tmp.name).read()
+        report += """Output:\n--\n%s--""" % diags
+
+        return lit.Test.FAIL, report
diff --git a/utils/lit/lit/formats/googletest.py b/utils/lit/lit/formats/googletest.py
new file mode 100644
index 0000000..06b6a29
--- /dev/null
+++ b/utils/lit/lit/formats/googletest.py
@@ -0,0 +1,113 @@
+from __future__ import absolute_import
+import os
+import sys
+
+import lit.Test
+import lit.TestRunner
+import lit.util
+
+kIsWindows = sys.platform in ['win32', 'cygwin']
+
+class GoogleTest(object):
+    def __init__(self, test_sub_dir, test_suffix):
+        self.test_sub_dir = os.path.normcase(str(test_sub_dir)).split(';')
+        self.test_suffix = str(test_suffix)
+
+        # On Windows, assume tests will also end in '.exe'.
+        if kIsWindows:
+            self.test_suffix += '.exe'
+
+    def getGTestTests(self, path, litConfig, localConfig):
+        """getGTestTests(path) - [name]
+
+        Return the tests available in gtest executable.
+
+        Args:
+          path: String path to a gtest executable
+          litConfig: LitConfig instance
+          localConfig: TestingConfig instance"""
+
+        try:
+            lines = lit.util.capture([path, '--gtest_list_tests'],
+                                     env=localConfig.environment)
+            lines = lines.decode('ascii')
+            if kIsWindows:
+              lines = lines.replace('\r', '')
+            lines = lines.split('\n')
+        except:
+            litConfig.error("unable to discover google-tests in %r" % path)
+            raise StopIteration
+
+        nested_tests = []
+        for ln in lines:
+            if not ln.strip():
+                continue
+
+            prefix = ''
+            index = 0
+            while ln[index*2:index*2+2] == '  ':
+                index += 1
+            while len(nested_tests) > index:
+                nested_tests.pop()
+
+            ln = ln[index*2:]
+            if ln.endswith('.'):
+                nested_tests.append(ln)
+            else:
+                yield ''.join(nested_tests) + ln
+
+    # Note: path_in_suite should not include the executable name.
+    def getTestsInExecutable(self, testSuite, path_in_suite, execpath,
+                             litConfig, localConfig):
+        if not execpath.endswith(self.test_suffix):
+            return
+        (dirname, basename) = os.path.split(execpath)
+        # Discover the tests in this executable.
+        for testname in self.getGTestTests(execpath, litConfig, localConfig):
+            testPath = path_in_suite + (basename, testname)
+            yield lit.Test.Test(testSuite, testPath, localConfig)
+
+    def getTestsInDirectory(self, testSuite, path_in_suite,
+                            litConfig, localConfig):
+        source_path = testSuite.getSourcePath(path_in_suite)
+        for filename in os.listdir(source_path):
+            filepath = os.path.join(source_path, filename)
+            if os.path.isdir(filepath):
+                # Iterate over executables in a directory.
+                if not os.path.normcase(filename) in self.test_sub_dir:
+                    continue
+                dirpath_in_suite = path_in_suite + (filename, )
+                for subfilename in os.listdir(filepath):
+                    execpath = os.path.join(filepath, subfilename)
+                    for test in self.getTestsInExecutable(
+                            testSuite, dirpath_in_suite, execpath,
+                            litConfig, localConfig):
+                      yield test
+            elif ('.' in self.test_sub_dir):
+                for test in self.getTestsInExecutable(
+                        testSuite, path_in_suite, filepath,
+                        litConfig, localConfig):
+                    yield test
+
+    def execute(self, test, litConfig):
+        testPath,testName = os.path.split(test.getSourcePath())
+        while not os.path.exists(testPath):
+            # Handle GTest parametrized and typed tests, whose name includes
+            # some '/'s.
+            testPath, namePrefix = os.path.split(testPath)
+            testName = os.path.join(namePrefix, testName)
+
+        cmd = [testPath, '--gtest_filter=' + testName]
+        if litConfig.useValgrind:
+            cmd = litConfig.valgrindArgs + cmd
+
+        if litConfig.noExecute:
+            return lit.Test.PASS, ''
+
+        out, err, exitCode = lit.TestRunner.executeCommand(
+            cmd, env=test.config.environment)
+
+        if not exitCode:
+            return lit.Test.PASS,''
+
+        return lit.Test.FAIL, out + err
diff --git a/utils/lit/lit/formats/shtest.py b/utils/lit/lit/formats/shtest.py
new file mode 100644
index 0000000..30a6a33
--- /dev/null
+++ b/utils/lit/lit/formats/shtest.py
@@ -0,0 +1,12 @@
+from __future__ import absolute_import
+
+import lit.TestRunner
+from .base import FileBasedTest
+
+class ShTest(FileBasedTest):
+    def __init__(self, execute_external = False):
+        self.execute_external = execute_external
+
+    def execute(self, test, litConfig):
+        return lit.TestRunner.executeShTest(test, litConfig,
+                                            self.execute_external)