utils/lit/tests/selecting.py

   1 # RUN: %{lit} %{inputs}/discovery | FileCheck --check-prefix=CHECK-BASIC %s
   2 # CHECK-BASIC: Testing: 5 tests
   3
   4 # Check that regex-filtering works
   5 #
   6 # RUN: %{lit} --filter 'o[a-z]e' %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER %s
   7 # CHECK-FILTER: Testing: 2 of 5 tests
   8
   9 # Check that regex-filtering based on environment variables work.
  10 #
  11 # RUN: env LIT_FILTER='o[a-z]e' %{lit} %{inputs}/discovery | FileCheck --check-prefix=CHECK-FILTER-ENV %s
  12 # CHECK-FILTER-ENV: Testing: 2 of 5 tests
  13
  14
  15 # Check that maximum counts work
  16 #
  17 # RUN: %{lit} --max-tests 3 %{inputs}/discovery | FileCheck --check-prefix=CHECK-MAX %s
  18 # CHECK-MAX: Testing: 3 of 5 tests
  19
  20
  21 # Check that sharding partitions the testsuite in a way that distributes the
  22 # rounding error nicely (i.e. 5/3 => 2 2 1, not 1 1 3 or whatever)
  23 #
  24 # RUN: %{lit} --num-shards 3 --run-shard 1 %{inputs}/discovery >%t.out 2>%t.err
  25 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ERR < %t.err %s
  26 # RUN: FileCheck --check-prefix=CHECK-SHARD0-OUT < %t.out %s
  27 # CHECK-SHARD0-ERR: note: Selecting shard 1/3 = size 2/5 = tests #(3*k)+1 = [1, 4]
  28 # CHECK-SHARD0-OUT: Testing: 2 of 5 tests
  29 #
  30 # RUN: %{lit} --num-shards 3 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
  31 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ERR < %t.err %s
  32 # RUN: FileCheck --check-prefix=CHECK-SHARD1-OUT < %t.out %s
  33 # CHECK-SHARD1-ERR: note: Selecting shard 2/3 = size 2/5 = tests #(3*k)+2 = [2, 5]
  34 # CHECK-SHARD1-OUT: Testing: 2 of 5 tests
  35 #
  36 # RUN: %{lit} --num-shards 3 --run-shard 3 %{inputs}/discovery >%t.out 2>%t.err
  37 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ERR < %t.err %s
  38 # RUN: FileCheck --check-prefix=CHECK-SHARD2-OUT < %t.out %s
  39 # CHECK-SHARD2-ERR: note: Selecting shard 3/3 = size 1/5 = tests #(3*k)+3 = [3]
  40 # CHECK-SHARD2-OUT: Testing: 1 of 5 tests
  41
  42
  43 # Check that sharding via env vars works.
  44 #
  45 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=1 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  46 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ENV-ERR < %t.err %s
  47 # RUN: FileCheck --check-prefix=CHECK-SHARD0-ENV-OUT < %t.out %s
  48 # CHECK-SHARD0-ENV-ERR: note: Selecting shard 1/3 = size 2/5 = tests #(3*k)+1 = [1, 4]
  49 # CHECK-SHARD0-ENV-OUT: Testing: 2 of 5 tests
  50 #
  51 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=2 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  52 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ENV-ERR < %t.err %s
  53 # RUN: FileCheck --check-prefix=CHECK-SHARD1-ENV-OUT < %t.out %s
  54 # CHECK-SHARD1-ENV-ERR: note: Selecting shard 2/3 = size 2/5 = tests #(3*k)+2 = [2, 5]
  55 # CHECK-SHARD1-ENV-OUT: Testing: 2 of 5 tests
  56 #
  57 # RUN: env LIT_NUM_SHARDS=3 LIT_RUN_SHARD=3 %{lit} %{inputs}/discovery >%t.out 2>%t.err
  58 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ENV-ERR < %t.err %s
  59 # RUN: FileCheck --check-prefix=CHECK-SHARD2-ENV-OUT < %t.out %s
  60 # CHECK-SHARD2-ENV-ERR: note: Selecting shard 3/3 = size 1/5 = tests #(3*k)+3 = [3]
  61 # CHECK-SHARD2-ENV-OUT: Testing: 1 of 5 tests
  62
  63
  64 # Check that providing more shards than tests results in 1 test per shard
  65 # until we run out, then 0.
  66 #
  67 # RUN: %{lit} --num-shards 100 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
  68 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR1 < %t.err %s
  69 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-OUT1 < %t.out %s
  70 # CHECK-SHARD-BIG-ERR1: note: Selecting shard 2/100 = size 1/5 = tests #(100*k)+2 = [2]
  71 # CHECK-SHARD-BIG-OUT1: Testing: 1 of 5 tests
  72 #
  73 # RUN: %{lit} --num-shards 100 --run-shard 6 %{inputs}/discovery >%t.out 2>%t.err
  74 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR2 < %t.err %s
  75 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-OUT2 < %t.out %s
  76 # CHECK-SHARD-BIG-ERR2: note: Selecting shard 6/100 = size 0/5 = tests #(100*k)+6 = []
  77 # CHECK-SHARD-BIG-OUT2: Testing: 0 of 5 tests
  78 #
  79 # RUN: %{lit} --num-shards 100 --run-shard 50 %{inputs}/discovery >%t.out 2>%t.err
  80 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-ERR3 < %t.err %s
  81 # RUN: FileCheck --check-prefix=CHECK-SHARD-BIG-OUT3 < %t.out %s
  82 # CHECK-SHARD-BIG-ERR3: note: Selecting shard 50/100 = size 0/5 = tests #(100*k)+50 = []
  83 # CHECK-SHARD-BIG-OUT3: Testing: 0 of 5 tests
  84
  85
  86 # Check that range constraints are enforced
  87 #
  88 # RUN: not %{lit} --num-shards 0 --run-shard 2 %{inputs}/discovery >%t.out 2>%t.err
  89 # RUN: FileCheck --check-prefix=CHECK-SHARD-ERR < %t.err %s
  90 # CHECK-SHARD-ERR: error: --num-shards must be positive
  91 #
  92 # RUN: not %{lit} --num-shards 3 --run-shard 4 %{inputs}/discovery >%t.out 2>%t.err
  93 # RUN: FileCheck --check-prefix=CHECK-SHARD-ERR2 < %t.err %s
  94 # CHECK-SHARD-ERR2: error: --run-shard must be between 1 and --num-shards (inclusive)