llvm/utils/lit/tests/selecting.py

   1 # RUN: %{lit} %{inputs}/discovery | FileCheck --check-prefix=CHECK-BASIC %s
   2 # CHECK-BASIC: Testing: 5 tests
   3
   4
   5 # Check that we exit with an error if we do not discover any tests, even with --allow-empty-runs.
   6 #
   7 # RUN: not %{lit} %{inputs}/nonexistent                    2>&1 | FileCheck --check-prefix=CHECK-BAD-PATH %s
   8 # RUN: not %{lit} %{inputs}/nonexistent --allow-empty-runs 2>&1 | FileCheck --check-prefix=CHECK-BAD-PATH %s
   9 # CHECK-BAD-PATH: error: did not discover any tests for provided path(s)
  10
  11 # Check that we exit with an error if we filter out all tests, but allow it with --allow-empty-runs.
  12 # Check that we exit with an error if we skip all tests, but allow it with --allow-empty-runs.
  13 #
  14 # RUN: not %{lit} --filter 'nonexistent'                    %{inputs}/discovery 2>&1 | FileCheck --check-prefixes=CHECK-BAD-FILTER,CHECK-BAD-FILTER-ERROR %s
  15 # RUN:     %{lit} --filter 'nonexistent' --allow-empty-runs %{inputs}/discovery 2>&1 | FileCheck --check-prefixes=CHECK-BAD-FILTER,CHECK-BAD-FILTER-ALLOW %s
  16 # RUN: not %{lit} --filter-out '.*'                    %{inputs}/discovery 2>&1 | FileCheck --check-prefixes=CHECK-BAD-FILTER,CHECK-BAD-FILTER-ERROR %s
  17 # RUN:     %{lit} --filter-out '.*' --allow-empty-runs %{inputs}/discovery 2>&1 | FileCheck --check-prefixes=CHECK-BAD-FILTER,CHECK-BAD-FILTER-ALLOW %s
  18 # CHECK-BAD-FILTER: error: filter did not match any tests (of 5 discovered).
  19 # CHECK-BAD-FILTER-ERROR: Use '--allow-empty-runs' to suppress this error.
  20 # CHECK-BAD-FILTER-ALLOW: Suppressing error because '--allow-empty-runs' was specified.
  21
  22 # Check that regex-filtering works, is case-insensitive, and can be configured via env var.
  23 #
  24 # RUN: %{lit} --filter 'o[a-z]e' %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  25 # RUN: %{lit} --filter 'O[A-Z]E' %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  26 # RUN: env LIT_FILTER='o[a-z]e' %{lit} %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  27 # RUN: %{lit} --filter-out 'test-t[a-z]' %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  28 # RUN: %{lit} --filter-out 'test-t[A-Z]' %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  29 # RUN: env LIT_FILTER_OUT='test-t[a-z]' %{lit} %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
  30 # CHECK-FILTER: Testing: 2 of 5 tests
  31 # CHECK-FILTER: Excluded: 3
  32
  33
  34 # Check that maximum counts work
  35 #
  36 # RUN: %{lit} --max-tests 3 %{inputs}/discovery | FileCheck --check-prefix=CHECK-MAX %s
  37 # CHECK-MAX: Testing: 3 of 5 tests
  38 # CHECK-MAX: Excluded: 2
  39
  40
  41 # Check that sharding partitions the testsuite in a way that distributes the
  42 # rounding error nicely (i.e. 5/3 => 2 2 1, not 1 1 3 or whatever)
  43 #
  44 # RUN: %{lit} --num-shards 3 --run-shard 1 %{inputs}/discovery >%t.out 2>%t.err
  45 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ERR < %t.err %s
  46 # RUN: FileCheck --check-prefix=CHECK-SHARD0-OUT < %t.out %s
  47 # CHECK-SHARD0-ERR: note: Selecting shard 1/3 = size 2/5 = tests #(3*k)+1 = [1, 4]
  48 # CHECK-SHARD0-OUT: Testing: 2 of 5 tests
  49 # CHECK-SHARD0-OUT: Excluded: 3
  50 #
  51 # RUN: %{lit} --num-shards 3 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
  52 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ERR < %t.err %s
  53 # RUN: FileCheck --check-prefix=CHECK-SHARD1-OUT < %t.out %s
  54 # CHECK-SHARD1-ERR: note: Selecting shard 2/3 = size 2/5 = tests #(3*k)+2 = [2, 5]
  55 # CHECK-SHARD1-OUT: Testing: 2 of 5 tests
  56 #
  57 # RUN: %{lit} --num-shards 3 --run-shard 3 %{inputs}/discovery >%t.out 2>%t.err
  58 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ERR < %t.err %s
  59 # RUN: FileCheck --check-prefix=CHECK-SHARD2-OUT < %t.out %s
  60 # CHECK-SHARD2-ERR: note: Selecting shard 3/3 = size 1/5 = tests #(3*k)+3 = [3]
  61 # CHECK-SHARD2-OUT: Testing: 1 of 5 tests
  62
  63
  64 # Check that sharding via env vars works.
  65 #
  66 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=1 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  67 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ENV-ERR < %t.err %s
  68 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ENV-OUT < %t.out %s
  69 # CHECK-SHARD0-ENV-ERR: note: Selecting shard 1/3 = size 2/5 = tests #(3*k)+1 = [1, 4]
  70 # CHECK-SHARD0-ENV-OUT: Testing: 2 of 5 tests
  71 #
  72 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=2 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  73 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ENV-ERR < %t.err %s
  74 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ENV-OUT < %t.out %s
  75 # CHECK-SHARD1-ENV-ERR: note: Selecting shard 2/3 = size 2/5 = tests #(3*k)+2 = [2, 5]
  76 # CHECK-SHARD1-ENV-OUT: Testing: 2 of 5 tests
  77 #
  78 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=3 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  79 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ENV-ERR < %t.err %s
  80 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ENV-OUT < %t.out %s
  81 # CHECK-SHARD2-ENV-ERR: note: Selecting shard 3/3 = size 1/5 = tests #(3*k)+3 = [3]
  82 # CHECK-SHARD2-ENV-OUT: Testing: 1 of 5 tests
  83
  84
  85 # Check that providing more shards than tests results in 1 test per shard
  86 # until we run out, then 0.
  87 #
  88 # RUN: %{lit} --num-shards 100 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
  89 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR1 < %t.err %s
  90 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-OUT1 < %t.out %s
  91 # CHECK-SHARD-BIG-ERR1: note: Selecting shard 2/100 = size 1/5 = tests #(100*k)+2 = [2]
  92 # CHECK-SHARD-BIG-OUT1: Testing: 1 of 5 tests
  93 #
  94 # RUN: %{lit} --num-shards 100 --run-shard 6 %{inputs}/discovery >%t.out 2>%t.err
  95 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR2 < %t.err %s
  96 # CHECK-SHARD-BIG-ERR2: note: Selecting shard 6/100 = size 0/5 = tests #(100*k)+6 = []
  97 # CHECK-SHARD-BIG-ERR2: warning: shard does not contain any tests.  Consider decreasing the number of shards.
  98 #
  99 # RUN: %{lit} --num-shards 100 --run-shard 50 %{inputs}/discovery >%t.out 2>%t.err
 100 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR3 < %t.err %s
 101 # CHECK-SHARD-BIG-ERR3: note: Selecting shard 50/100 = size 0/5 = tests #(100*k)+50 = []
 102 # CHECK-SHARD-BIG-ERR3: warning: shard does not contain any tests.  Consider decreasing the number of shards.
 103
 104
 105 # Check that range constraints are enforced
 106 #
 107 # RUN: not %{lit} --num-shards 0 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
 108 # RUN: FileCheck --check-prefix=CHECK-SHARD-ERR < %t.err %s
 109 # CHECK-SHARD-ERR: error: argument --num-shards: requires positive integer, but found '0'
 110 #
 111 # RUN: not %{lit} --num-shards 3 --run-shard 4 %{inputs}/discovery >%t.out 2>%t.err
 112 # RUN: FileCheck --check-prefix=CHECK-SHARD-ERR2 < %t.err %s
 113 # CHECK-SHARD-ERR2: error: --run-shard must be between 1 and --num-shards (inclusive)