utils/lit/tests/allow-retries.py

# Check the behavior of the ALLOW_RETRIES keyword.

# This test uses a file that's stable across retries of the test to fail and
# only succeed the fourth time it is retried.
#
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/allow-retries/succeeds-within-limit.py -Dcounter=%t.counter -Dpython=%{python} | FileCheck --check-prefix=CHECK-TEST1 %s
# CHECK-TEST1: Passed With Retry: 1

# Test that a per-file ALLOW_RETRIES overwrites the config-wide test_retry_attempts property, if any.
#
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/allow-retries/succeeds-within-limit.py -Dtest_retry_attempts=2 -Dcounter=%t.counter -Dpython=%{python} | FileCheck --check-prefix=CHECK-TEST2 %s
# CHECK-TEST2: Passed With Retry: 1

# This test does not succeed within the allowed retry limit
#
# Check that the execution trace isn't corrupt due to reprocessing the script
# multiple times (e.g., '%dbg(...)' processing used to accumulate across
# retries).
#
# RUN: not %{lit} %{inputs}/allow-retries/does-not-succeed-within-limit.py -v |\
# RUN:   FileCheck --check-prefix=CHECK-TEST3 -match-full-lines %s
#
#       CHECK-TEST3: FAIL: allow-retries :: does-not-succeed-within-limit.py (1 of 1, 4 of 4 attempts)
#  CHECK-TEST3-NEXT: {{\**}} TEST 'allow-retries :: does-not-succeed-within-limit.py' FAILED {{\**}}
#  CHECK-TEST3-NEXT: Exit Code: 1
# CHECK-TEST3-EMPTY:
#  CHECK-TEST3-NEXT: Command Output (stdout):
#  CHECK-TEST3-NEXT: --
#  CHECK-TEST3-NEXT: # {{RUN}}: at line 3
#  CHECK-TEST3-NEXT: false
#  CHECK-TEST3-NEXT: # executed command: false
#  CHECK-TEST3-NEXT: # note: command had no output on stdout or stderr
#  CHECK-TEST3-NEXT: # error: command failed with exit status: 1
# CHECK-TEST3-EMPTY:
#  CHECK-TEST3-NEXT: --
#       CHECK-TEST3: Failed Tests (1):
#       CHECK-TEST3: allow-retries :: does-not-succeed-within-limit.py

# This test should be UNRESOLVED since it has more than one ALLOW_RETRIES
# lines, and that is not allowed.
#
# RUN: not %{lit} %{inputs}/allow-retries/more-than-one-allow-retries-lines.py | FileCheck --check-prefix=CHECK-TEST4 %s
# CHECK-TEST4: Unresolved Tests (1):
# CHECK-TEST4: allow-retries :: more-than-one-allow-retries-lines.py

# This test does not provide a valid integer to the ALLOW_RETRIES keyword.
# It should be unresolved.
#
# RUN: not %{lit} %{inputs}/allow-retries/not-a-valid-integer.py | FileCheck --check-prefix=CHECK-TEST5 %s
# CHECK-TEST5: Unresolved Tests (1):
# CHECK-TEST5: allow-retries :: not-a-valid-integer.py

# This test checks that the config-wide test_retry_attempts property is used
# when no ALLOW_RETRIES keyword is present.
#
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/test_retry_attempts/test.py -Dcounter=%t.counter -Dpython=%{python} | FileCheck --check-prefix=CHECK-TEST6 %s
# CHECK-TEST6: Passed With Retry: 1

# This test checks that --per-test-coverage doesn't accumulate inserted
# LLVM_PROFILE_FILE= commands across retries.
#
# RUN: rm -f %t.counter
# RUN: %{lit} -a %{inputs}/test_retry_attempts/test.py --per-test-coverage\
# RUN:     -Dcounter=%t.counter -Dpython=%{python} | \
# RUN:   FileCheck --check-prefix=CHECK-TEST7 %s
#     CHECK-TEST7: Command Output (stdout):
#     CHECK-TEST7: # executed command: export LLVM_PROFILE_FILE=
# CHECK-TEST7-NOT: # executed command: export LLVM_PROFILE_FILE=
#     CHECK-TEST7: Passed With Retry: 1

# This test only passes on the 4th try. Here we check that a test can be re-run when:
#  * The "--max-retries-per-test" is specified high enough (7).
#  * No ALLOW_RETRIES keyword is used in the test script.
#  * No config.test_retry_attempts is adjusted in the test suite config file.
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/max-retries-per-test/no-allow-retries-no-test_retry_attempts/test.py \
# RUN:   --max-retries-per-test=7 \
# RUN:   -Dcounter=%t.counter \
# RUN:   -Dpython=%{python} \
# RUN: | FileCheck --check-prefix=CHECK-TEST8 %s
# CHECK-TEST8: FLAKYPASS: no-allow-retries-no-test_retry_attempts :: test.py (1 of 1, 4 of 8 attempts)
# CHECK-TEST8: Passed With Retry: 1

# This test only passes on the 4th try. Here we check that a test can be re-run when:
#  * The "--max-retries-per-test" is specified too low (2).
#  * ALLOW_RETRIES is specified high enough (8)
#  * No config.test_retry_attempts is adjusted in the test suite config file.
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/max-retries-per-test/allow-retries-no-test_retry_attempts/test.py \
# RUN:   --max-retries-per-test=2 \
# RUN:   -Dcounter=%t.counter \
# RUN:   -Dpython=%{python} \
# RUN: | FileCheck --check-prefix=CHECK-TEST9 %s
# CHECK-TEST9: FLAKYPASS: allow-retries-no-test_retry_attempts :: test.py (1 of 1, 4 of 9 attempts)
# CHECK-TEST9: Passed With Retry: 1

# This test only passes on the 4th try. Here we check that a test can be re-run when:
#  * The "--max-retries-per-test" is specified too low (2).
#  * No ALLOW_RETRIES keyword is used in the test script.
#  * config.test_retry_attempts is set high enough (9).
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/max-retries-per-test/no-allow-retries-test_retry_attempts/test.py \
# RUN:   --max-retries-per-test=2 \
# RUN:   -Dcounter=%t.counter \
# RUN:   -Dpython=%{python} \
# RUN: | FileCheck --check-prefix=CHECK-TEST10 %s
# CHECK-TEST10: FLAKYPASS: no-allow-retries-test_retry_attempts :: test.py (1 of 1, 4 of 10 attempts)
# CHECK-TEST10: Passed With Retry: 1

# This test only passes on the 4th try. Here we check that a test can be re-run when:
#  * The "--max-retries-per-test" is specified too low (1).
#  * ALLOW_RETRIES keyword is set high enough (10)
#  * config.test_retry_attempts is set too low (2).
# RUN: rm -f %t.counter
# RUN: %{lit} %{inputs}/max-retries-per-test/allow-retries-test_retry_attempts/test.py \
# RUN:   --max-retries-per-test=1 \
# RUN:   -Dcounter=%t.counter \
# RUN:   -Dpython=%{python} \
# RUN: | FileCheck --check-prefix=CHECK-TEST11 %s
# CHECK-TEST11: FLAKYPASS: allow-retries-test_retry_attempts :: test.py (1 of 1, 4 of 11 attempts)
# CHECK-TEST11: Passed With Retry: 1