def locator(self):
with distribution(executables=EXE('bin/java', version='1')) as jdk1_home:
with distribution(executables=EXE('bin/java', version='2')) as jdk2_home:
with temporary_dir() as java_dist_dir1, temporary_dir() as java_dist_dir2:
locator = _Locator(_UnknownEnvironment(_EnvVarEnvironment(),
_LinuxEnvironment(java_dist_dir1, java_dist_dir2)))
jdk1_home_link = os.path.join(java_dist_dir1, 'jdk1_home')
jdk2_home_link = os.path.join(java_dist_dir2, 'jdk2_home')
os.symlink(jdk1_home, jdk1_home_link)
os.symlink(jdk2_home, jdk2_home_link)
yield locator, jdk1_home_link, jdk2_home_link
def locator(self):
with distribution(executables=EXE('bin/java', version='1')) as jdk1_home:
with distribution(executables=EXE('bin/java', version='2')) as jdk2_home:
with temporary_dir() as java_dist_dir1, temporary_dir() as java_dist_dir2:
locator = _Locator(_UnknownEnvironment(_EnvVarEnvironment(),
_LinuxEnvironment(java_dist_dir1, java_dist_dir2)))
jdk1_home_link = os.path.join(java_dist_dir1, 'jdk1_home')
jdk2_home_link = os.path.join(java_dist_dir2, 'jdk2_home')
os.symlink(jdk1_home, jdk1_home_link)
os.symlink(jdk2_home, jdk2_home_link)
yield locator, jdk1_home_link, jdk2_home_link
def locator(self):
with temporary_dir() as java_dist_dir1, temporary_dir() as java_dist_dir2, distribution(
executables=EXE("bin/java", version="1"), dist_dir=java_dist_dir1
) as jdk1_home, distribution(
executables=EXE("bin/java", version="2"), dist_dir=java_dist_dir2
) as jdk2_home:
locator = _Locator(
_UnknownEnvironment(
_EnvVarEnvironment(), _LinuxEnvironment(java_dist_dir1, java_dist_dir2)
)
)
yield locator, jdk1_home, jdk2_home
def test_locate_java_home_cache_uses_lub(self):
# NB this ensures that looking into the cache follows a consistent ordering
# it looks up min=1, min=3, which puts both dists into the cache
# then it looks for min=1;max=3. Because traversing the cached dists goes lowest first,
# it finds 1.
with temporary_dir() as dist_dir, distribution(
executables=EXE("bin/java", version="1"), dist_dir=dist_dir
) as jdk1_home, distribution(
executables=EXE("bin/java", version="3"), dist_dir=dist_dir
) as jdk3_home:
locator = _Locator(
_UnknownEnvironment(_EnvVarEnvironment(), _LinuxEnvironment(dist_dir))
)
with env(JAVA_HOME=jdk1_home):
dist = locator.locate(minimum_version="1")
self.assertEqual(jdk1_home, dist.home)
dist = locator.locate(minimum_version="3")
self.assertEqual(jdk3_home, dist.home)
dist = locator.locate(minimum_version="1", maximum_version="3")
self.assertEqual(jdk1_home, dist.home)