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lit/TestRunner.py: Factor variable subsitution into an own function; NFCI

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This is a clearer separation of concerns and makes it easier to reuse
the function.

llvm-svn: 251481
This commit is contained in:
Matthias Braun 2015-10-28 02:36:45 +00:00
parent 0dfea7241c
commit 0ae2b702f7
1 changed files with 26 additions and 25 deletions
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51
utils/lit/lit/TestRunner.py
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@ -456,13 +456,27 @@ def getDefaultSubstitutions(test, tmpDir, tmpBase, normalize_slashes=False):
])
return substitutions
def parseIntegratedTestScript(test, substitutions, require_script=True):
def applySubstitutions(script, substitutions):
"""Apply substitutions to the script. Allow full regular expression syntax.
Replace each matching occurrence of regular expression pattern a with
substitution b in line ln."""
def processLine(ln):
# Apply substitutions
for a,b in substitutions:
if kIsWindows:
b = b.replace("\\","\\\\")
ln = re.sub(a, b, ln)
# Strip the trailing newline and any extra whitespace.
return ln.strip()
return map(processLine, script)
def parseIntegratedTestScript(test, require_script=True):
"""parseIntegratedTestScript - Scan an LLVM/Clang style integrated test
script and extract the lines to 'RUN' as well as 'XFAIL' and 'REQUIRES'
and 'UNSUPPORTED' information. The RUN lines also will have variable
substitution performed. If 'require_script' is False an empty script may be
returned. This can be used for test formats where the actual script is
optional or ignored.
and 'UNSUPPORTED' information. If 'require_script' is False an empty script
may be returned. This can be used for test formats where the actual script
is optional or ignored.
"""
# Collect the test lines from the script.
sourcepath = test.getSourcePath()
@ -504,21 +518,6 @@ def parseIntegratedTestScript(test, substitutions, require_script=True):
raise ValueError("unknown script command type: %r" % (
command_type,))
# Apply substitutions to the script. Allow full regular
# expression syntax. Replace each matching occurrence of regular
# expression pattern a with substitution b in line ln.
def processLine(ln):
# Apply substitutions
for a,b in substitutions:
if kIsWindows:
b = b.replace("\\","\\\\")
ln = re.sub(a, b, ln)
# Strip the trailing newline and any extra whitespace.
return ln.strip()
script = [processLine(ln)
for ln in script]
# Verify the script contains a run line.
if require_script and not script:
return lit.Test.Result(Test.UNRESOLVED, "Test has no run line!")
@ -596,16 +595,18 @@ def executeShTest(test, litConfig, useExternalSh,
if test.config.unsupported:
return (Test.UNSUPPORTED, 'Test is unsupported')
tmpDir, tmpBase = getTempPaths(test)
substitutions = list(extra_substitutions)
substitutions += getDefaultSubstitutions(test, tmpDir, tmpBase,
normalize_slashes=useExternalSh)
script = parseIntegratedTestScript(test, substitutions)
script = parseIntegratedTestScript(test)
if isinstance(script, lit.Test.Result):
return script
if litConfig.noExecute:
return lit.Test.Result(Test.PASS)
tmpDir, tmpBase = getTempPaths(test)
substitutions = list(extra_substitutions)
substitutions += getDefaultSubstitutions(test, tmpDir, tmpBase,
normalize_slashes=useExternalSh)
script = applySubstitutions(script, substitutions)
# Re-run failed tests up to test_retry_attempts times.
attempts = 1
if hasattr(test.config, 'test_retry_attempts'):