| 1 | #!/usr/bin/env python2
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| 2 | """
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| 3 | ninja_lib_test.py: Tests for ninja_lib.py
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| 4 | """
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| 5 | from __future__ import print_function
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| 6 |
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| 7 | import sys
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| 8 | import unittest
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| 9 |
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| 10 | from build.ninja_lib import log
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| 11 | from build import ninja_lib # module under test
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| 12 | from vendor import ninja_syntax
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| 13 |
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| 14 | CONFIG = ('cxx', 'dbg', None)
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| 15 |
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| 16 | MATRIX1 = [CONFIG]
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| 17 |
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| 18 |
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| 19 | MATRIX = [
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| 20 | ('cxx', 'dbg'),
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| 21 | ('cxx', 'opt'),
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| 22 | ]
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| 23 |
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| 24 |
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| 25 | def CallFor(n, output_name):
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| 26 | for b in n.build_calls:
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| 27 | if b.outputs[0] == output_name:
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| 28 | return b
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| 29 | else:
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| 30 | raise RuntimeError('%s not found' % output_name)
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| 31 |
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| 32 |
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| 33 | class NinjaTest(unittest.TestCase):
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| 34 |
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| 35 | def _Rules(self):
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| 36 | n = ninja_syntax.Writer(sys.stdout)
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| 37 | n = ninja_syntax.FakeWriter(n)
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| 38 |
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| 39 | ru = ninja_lib.Rules(n)
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| 40 | return n, ru
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| 41 |
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| 42 | def test_cc_library_IsLazy(self):
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| 43 | n, ru = self._Rules()
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| 44 |
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| 45 | ru.cc_library('//mycpp/ab', ['mycpp/a.cc', 'mycpp/b.cc'])
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| 46 | self.assertEqual(0, len(n.build_calls))
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| 47 |
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| 48 | ru.cc_binary(
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| 49 | 'mycpp/a_test.cc',
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| 50 | deps = ['//mycpp/ab'],
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| 51 | matrix = MATRIX1)
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| 52 |
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| 53 | ru.WriteRules()
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| 54 |
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| 55 | actions = [b.rule for b in n.build_calls]
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| 56 | self.assertEqual([
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| 57 | 'compile_one',
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| 58 | 'compile_one',
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| 59 | 'compile_one',
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| 60 | 'link'],
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| 61 | actions)
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| 62 |
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| 63 | last = n.build_calls[-1]
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| 64 | self.assertEqual([
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| 65 | '_build/obj/cxx-dbg/mycpp/a_test.o',
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| 66 | '_build/obj/cxx-dbg/mycpp/a.o',
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| 67 | '_build/obj/cxx-dbg/mycpp/b.o',
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| 68 | ], last.inputs)
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| 69 |
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| 70 | # It's NOT used in a binary, so not instantiated
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| 71 | ru.cc_library('//mycpp/z', ['mycpp/z.cc'])
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| 72 | self.assertEqual(4, len(n.build_calls))
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| 73 |
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| 74 | self.assertEqual(4, n.num_build_targets())
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| 75 |
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| 76 | def testDiamondDeps(self):
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| 77 | n, ru = self._Rules()
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| 78 |
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| 79 | # e
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| 80 | # |
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| 81 | # d
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| 82 | # | \
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| 83 | # b c
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| 84 | # | /
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| 85 | # a
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| 86 |
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| 87 | ru.cc_library('//mycpp/e', srcs = ['mycpp/e.cc']) # leaf
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| 88 | ru.cc_library('//mycpp/d', srcs = ['mycpp/d.cc'], deps = ['//mycpp/e']) # diamond
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| 89 | ru.cc_library('//mycpp/b', srcs = ['mycpp/b.cc'], deps = ['//mycpp/d'])
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| 90 | ru.cc_library('//mycpp/c', srcs = ['mycpp/c.cc'], deps = ['//mycpp/d'])
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| 91 | ru.cc_binary('mycpp/a.cc', deps = ['//mycpp/b', '//mycpp/c'], matrix = MATRIX1)
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| 92 |
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| 93 | ru.WriteRules()
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| 94 |
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| 95 | actions = [b.rule for b in n.build_calls]
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| 96 | self.assertEqual([
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| 97 | 'compile_one', # e
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| 98 | 'compile_one', # d
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| 99 | 'compile_one', # c
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| 100 | 'compile_one', # b
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| 101 | 'compile_one', # a
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| 102 | 'link'],
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| 103 | actions)
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| 104 |
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| 105 | b = CallFor(n, '_bin/cxx-dbg/mycpp/a')
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| 106 | print(b)
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| 107 | self.assertEqual([
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| 108 | '_build/obj/cxx-dbg/mycpp/a.o',
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| 109 | '_build/obj/cxx-dbg/mycpp/b.o',
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| 110 | '_build/obj/cxx-dbg/mycpp/c.o',
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| 111 | '_build/obj/cxx-dbg/mycpp/d.o',
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| 112 | '_build/obj/cxx-dbg/mycpp/e.o',
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| 113 | ],
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| 114 | sorted(b.inputs))
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| 115 |
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| 116 | def testCircularDeps(self):
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| 117 | # Should be disallowed I think
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| 118 | pass
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| 119 |
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| 120 | def testSourcesForBinary(self):
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| 121 | n, ru = self._Rules()
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| 122 |
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| 123 | ru.cc_library('//mycpp/y', srcs = ['mycpp/y.cc', 'mycpp/y2.cc'])
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| 124 | ru.cc_library('//mycpp/z', srcs = ['mycpp/z.cc'], deps = ['//mycpp/y'])
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| 125 |
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| 126 | # cc_library() is lazy
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| 127 | self.assertEqual(0, len(n.build_calls))
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| 128 |
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| 129 | ru.cc_binary(
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| 130 | 'mycpp/a_test.cc', deps = ['//mycpp/z'], matrix = MATRIX)
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| 131 |
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| 132 | ru.WriteRules()
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| 133 |
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| 134 | self.assertEqual(11, len(n.build_calls))
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| 135 |
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| 136 | srcs = ru.SourcesForBinary('mycpp/a_test.cc')
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| 137 | self.assertEqual(
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| 138 | ['mycpp/a_test.cc', 'mycpp/y.cc', 'mycpp/y2.cc', 'mycpp/z.cc'],
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| 139 | srcs)
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| 140 |
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| 141 | log('generated %d targets', n.num_build_targets())
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| 142 |
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| 143 | def test_asdl(self):
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| 144 | n, ru = self._Rules()
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| 145 | ru.asdl_library('mycpp/examples/foo.asdl')
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| 146 |
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| 147 | self.assertEqual(1, len(n.build_calls))
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| 148 |
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| 149 | first = n.build_calls[0]
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| 150 | self.assertEqual('asdl-cpp', first.rule)
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| 151 |
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| 152 | # ru.asdl_library('mycpp/examples/foo.asdl', pretty_print_methods=False)
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| 153 |
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| 154 | def test_cc_binary_to_asdl(self):
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| 155 | n, ru = self._Rules()
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| 156 |
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| 157 | ru.asdl_library('asdl/hnode.asdl', pretty_print_methods = False) # REQUIRED
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| 158 |
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| 159 | ru.asdl_library('mycpp/examples/expr.asdl')
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| 160 |
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| 161 | ru.cc_binary(
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| 162 | '_gen/mycpp/examples/parse.mycpp.cc',
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| 163 | deps = ['//mycpp/examples/expr.asdl'],
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| 164 | matrix = MATRIX1)
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| 165 |
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| 166 | ru.WriteRules()
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| 167 |
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| 168 | actions = [b.rule for b in n.build_calls]
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| 169 | print(actions)
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| 170 | self.assertEqual([
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| 171 | 'asdl-cpp',
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| 172 | 'asdl-cpp',
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| 173 | 'compile_one',
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| 174 | 'compile_one',
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| 175 | 'link'],
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| 176 | actions)
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| 177 |
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| 178 | compile_parse = CallFor(n, '_build/obj/cxx-dbg/_gen/mycpp/examples/parse.mycpp.o')
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| 179 |
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| 180 | # Important implicit dependencies on generated headers!
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| 181 | self.assertEqual([
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| 182 | '_gen/asdl/hnode.asdl.h',
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| 183 | '_gen/mycpp/examples/expr.asdl.h',
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| 184 | ],
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| 185 | compile_parse.implicit)
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| 186 |
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| 187 | last = n.build_calls[-1]
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| 188 |
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| 189 | self.assertEqual([
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| 190 | '_build/obj/cxx-dbg/_gen/mycpp/examples/parse.mycpp.o',
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| 191 | '_build/obj/cxx-dbg/_gen/mycpp/examples/expr.asdl.o',
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| 192 | ],
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| 193 | last.inputs)
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| 194 |
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| 195 | def test_asdl_to_asdl(self):
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| 196 | n, ru = self._Rules()
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| 197 |
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| 198 | ru.asdl_library('asdl/hnode.asdl', pretty_print_methods = False) # REQUIRED
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| 199 |
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| 200 | ru.asdl_library('asdl/examples/demo_lib.asdl')
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| 201 |
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| 202 | # 'use' in ASDL creates this dependency
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| 203 | ru.asdl_library(
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| 204 | 'asdl/examples/typed_demo.asdl',
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| 205 | deps = ['//asdl/examples/demo_lib.asdl'])
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| 206 |
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| 207 | actions = [call.rule for call in n.build_calls]
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| 208 | self.assertEqual(['asdl-cpp', 'asdl-cpp', 'asdl-cpp'], actions)
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| 209 |
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| 210 | ru.cc_binary(
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| 211 | 'asdl/gen_cpp_test.cc',
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| 212 | deps = ['//asdl/examples/typed_demo.asdl'],
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| 213 | matrix = MATRIX1)
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| 214 |
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| 215 | ru.WriteRules()
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| 216 |
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| 217 | actions = [call.rule for call in n.build_calls]
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| 218 | self.assertEqual([
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| 219 | 'asdl-cpp', 'asdl-cpp', 'asdl-cpp',
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| 220 | 'compile_one', # compile demo_lib
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| 221 | 'compile_one', # compile typed_demo
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| 222 | 'compile_one', # compile gen_cpp_test
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| 223 | 'link',
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| 224 | ],
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| 225 | actions)
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| 226 |
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| 227 | c = CallFor(n, '_build/obj/cxx-dbg/_gen/asdl/examples/typed_demo.asdl.o')
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| 228 | print(c)
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| 229 |
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| 230 | # typed_demo depends on demo_lib, so compiling typed_demo.asdl.c depends on
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| 231 | # the header demo_lib.asdl.h
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| 232 | self.assertEqual(
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| 233 | [ '_gen/asdl/examples/demo_lib.asdl.h',
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| 234 | '_gen/asdl/hnode.asdl.h' ],
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| 235 | sorted(c.implicit))
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| 236 |
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| 237 | c = CallFor(n, '_build/obj/cxx-dbg/asdl/gen_cpp_test.o')
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| 238 | print(c)
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| 239 | print(c.implicit)
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| 240 | self.assertEqual(
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| 241 | [ '_gen/asdl/examples/demo_lib.asdl.h',
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| 242 | '_gen/asdl/examples/typed_demo.asdl.h',
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| 243 | '_gen/asdl/hnode.asdl.h',
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| 244 | ],
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| 245 | sorted(c.implicit))
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| 246 |
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| 247 | def testShWrap(self):
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| 248 | # TODO: Rename to py_binary or py_tool
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| 249 | pass
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| 250 |
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| 251 |
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| 252 | if __name__ == '__main__':
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| 253 | unittest.main()
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