buck: run tests

Compile each test in its own java_test() target so they can run in
parallel, reducing total time spent testing on large machines.

$ buck test --all
[-] PROCESSING BUCK FILES...FINISHED 0.3s [100%]
[-] BUILDING...FINISHED 2.9s [100%] (351/383 JOBS, 351 UPDATED, 0.0% CACHE MISS)
[-] TESTING...FINISHED 98.1s (3360 PASS/15 SKIP/0 FAIL)

Change-Id: I8d6541268315089299f933ed23d785b1b3431133

.buckconfig

@@ -2,7 +2,7 @@
   includes = //tools/default.defs
 
 [java]
-  src_roots = src, resources
+  src_roots = src, resources, tst
 
 [project]
   ignore = .git

lib/BUCK

@@ -79,6 +79,15 @@ maven_jar(
   version = '1.6',
 )
 
+maven_jar(
+  name = 'tukaani-xz',
+  bin_sha1 = '66db21c8484120cb6a51b5b3ea47b6f383942bec',
+  src_sha1 = '6396220725701d767c553902c41120d7bf38e9f5',
+  group = 'org.tukaani',
+  artifact = 'xz',
+  version = '1.3',
+)
+
 maven_jar(
   name = 'args4j',
   bin_sha1 = '139441471327b9cc6d56436cb2a31e60eb6ed2ba',
@@ -96,3 +105,21 @@ maven_jar(
   artifact = 'junit',
   version = '4.11',
 )
+
+maven_jar(
+  name = 'hamcrest-library',
+  bin_sha1 = '4785a3c21320980282f9f33d0d1264a69040538f',
+  src_sha1 = '047a7ee46628ab7133129cd7cef1e92657bc275e',
+  group = 'org.hamcrest',
+  artifact = 'hamcrest-library',
+  version = '1.3',
+)
+
+maven_jar(
+  name = 'hamcrest-core',
+  bin_sha1 = '42a25dc3219429f0e5d060061f71acb49bf010a0',
+  src_sha1 = '1dc37250fbc78e23a65a67fbbaf71d2e9cbc3c0b',
+  group = 'org.hamcrest',
+  artifact = 'hamcrest-core',
+  version = '1.3',
+)

org.eclipse.jgit.pgm.test/BUCK

@@ -0,0 +1,37 @@
+TESTS = glob(['tst/**/*.java'])
+
+for t in TESTS:
+  n = t[len('tst/'):len(t)-len('.java')].replace('/', '.')
+  java_test(
+    name = n,
+    labels = ['pgm'],
+    srcs = [t],
+    deps = [
+      ':helpers',
+      '//org.eclipse.jgit:jgit',
+      '//org.eclipse.jgit.archive:jgit-archive',
+      '//org.eclipse.jgit.junit:junit',
+      '//org.eclipse.jgit.pgm:pgm',
+      '//lib:hamcrest-core',
+      '//lib:hamcrest-library',
+      '//lib:javaewah',
+      '//lib:junit',
+      '//lib:slf4j-api',
+      '//lib:slf4j-simple',
+      '//lib:commons-compress',
+      '//lib:tukaani-xz',
+    ],
+    source_under_test = ['//org.eclipse.jgit.pgm:pgm'],
+  )
+
+java_library(
+  name = 'helpers',
+  srcs = glob(['src/**/*.java']),
+  deps = [
+    '//org.eclipse.jgit:jgit',
+    '//org.eclipse.jgit.pgm:pgm',
+    '//org.eclipse.jgit.junit:junit',
+    '//lib:args4j',
+    '//lib:junit',
+  ],
+)

org.eclipse.jgit.pgm/BUCK

@@ -40,5 +40,6 @@ java_binary(
   deps = [
     ':pgm',
     '//lib:slf4j-simple',
+    '//lib:tukaani-xz',
   ],
 )

org.eclipse.jgit.test/BUCK

@@ -0,0 +1,94 @@
+PKG = 'tst/org/eclipse/jgit/'
+HELPERS = glob(['src/**/*.java']) + [PKG + c for c in [
+  'api/AbstractRemoteCommandTest.java',
+  'diff/AbstractDiffTestCase.java',
+  'internal/storage/file/GcTestCase.java',
+  'internal/storage/file/PackIndexTestCase.java',
+  'internal/storage/file/XInputStream.java',
+  'nls/GermanTranslatedBundle.java',
+  'nls/MissingPropertyBundle.java',
+  'nls/NoPropertiesBundle.java',
+  'nls/NonTranslatedBundle.java',
+  'revwalk/RevQueueTestCase.java',
+  'revwalk/RevWalkTestCase.java',
+  'transport/SpiTransport.java',
+  'treewalk/FileTreeIteratorWithTimeControl.java',
+  'treewalk/filter/AlwaysCloneTreeFilter.java',
+  'test/resources/SampleDataRepositoryTestCase.java',
+  'util/CPUTimeStopWatch.java',
+  'util/io/Strings.java',
+]]
+
+DATA = [
+  PKG + 'lib/empty.gitindex.dat',
+  PKG + 'lib/sorttest.gitindex.dat',
+]
+
+TESTS = glob(
+  ['tst/**/*.java'],
+  excludes = HELPERS + DATA,
+)
+
+DEPS = {
+  PKG + 'nls/RootLocaleTest.java': [
+    '//org.eclipse.jgit.pgm:pgm',
+    '//org.eclipse.jgit.ui:ui',
+  ],
+}
+
+for src in TESTS:
+  name = src[len('tst/'):len(src)-len('.java')].replace('/', '.')
+  labels = []
+  if name.startswith('org.eclipse.jgit.'):
+    l = name[len('org.eclipse.jgit.'):]
+    if l.startswith('internal.storage.'):
+      l = l[len('internal.storage.'):]
+    i = l.find('.')
+    if i > 0:
+      labels.append(l[:i])
+    else:
+      labels.append(i)
+  if 'lib' not in labels:
+    labels.append('lib')
+
+  java_test(
+    name = name,
+    labels = labels,
+    srcs = [src],
+    deps = [
+      ':helpers',
+      ':tst_rsrc',
+      '//org.eclipse.jgit:jgit',
+      '//org.eclipse.jgit.junit:junit',
+      '//lib:hamcrest-core',
+      '//lib:hamcrest-library',
+      '//lib:javaewah',
+      '//lib:junit',
+      '//lib:slf4j-api',
+      '//lib:slf4j-simple',
+    ] + DEPS.get(src, []),
+    source_under_test = ['//org.eclipse.jgit:jgit'],
+  )
+
+java_library(
+  name = 'helpers',
+  srcs = HELPERS,
+  resources = DATA,
+  deps = [
+    '//org.eclipse.jgit:jgit',
+    '//org.eclipse.jgit.junit:junit',
+    '//lib:junit',
+  ],
+)
+
+prebuilt_jar(
+  name = 'tst_rsrc',
+  binary_jar = ':tst_rsrc_jar',
+)
+
+genrule(
+  name = 'tst_rsrc_jar',
+  cmd = 'cd $SRCDIR/tst-rsrc ; zip -qr $OUT .',
+  srcs = glob(['tst-rsrc/**']),
+  out = 'tst_rsrc.jar',
+)