diff --git a/boottest.py b/boottest.py
index 2202918..19602b5 100644
--- a/boottest.py
+++ b/boottest.py
@@ -13,6 +13,8 @@
 # GNU General Public License for more details.
 import os
 
+from consts import BINARIES
+
 
 class TouchManifest(object):
     """Parses a corresponding touch image manifest.
@@ -75,7 +77,7 @@ class BootTest(object):
     def _get_status_label(self, name, version):
         """Return the current boottest status label."""
         # XXX cprov 20150120: replace with the test history latest
-        # record label.
+        # record label, or a new job request if it was not found.
         if name == 'pyqt5':
             if version == '1.1~beta':
                 return 'PASS'
@@ -93,17 +95,33 @@ class BootTest(object):
         Annotate skipped packages (currently not in phone image) or add
         the current testing status (see `_get_status_label`).
         """
-        if excuse.name not in self.phone_manifest:
-            label = 'SKIPPED'
-        else:
-            label = self._get_status_label(excuse.name, excuse.ver[1])
-
-        excuse.addhtml("boottest for %s %s: %s" %
-                       (excuse.name, excuse.ver[1], label))
-
-        if label in ['PASS', 'SKIPPED']:
+        # Discover all binaries for the 'excused' source.
+        unstable_sources = self.britney.sources['unstable']
+        binary_names = [
+            bin.split('/')[0]
+            for bin in unstable_sources[excuse.name][BINARIES]
+        ]
+
+        # Process (request or update) boottest attempts for each binary.
+        labels = set()
+        for name in binary_names:
+            if name in self.phone_manifest:
+                label = self._get_status_label(name, excuse.ver[1])
+            else:
+                label = 'SKIPPED'
+            excuse.addhtml("boottest for %s %s: %s" %
+                           (name, excuse.ver[1], label))
+            labels.add(label)
+
+        # If all boottests passed or were skipped, return False. The
+        # excuse is clean and promotion can proceed, according to the
+        # boottest criteria.
+        if labels.issubset(set(['PASS', 'SKIPPED'])):
             return False
 
+        # If one or more boottests are still in-progress or have already
+        # failed, make the excuse as invalid and blocks promotion by
+        # returning True.
         excuse.addhtml("Not considered")
         excuse.addreason("boottest")
         excuse.is_valid = False
diff --git a/tests/test_boottest.py b/tests/test_boottest.py
index 92b7cb8..8f2d2bb 100644
--- a/tests/test_boottest.py
+++ b/tests/test_boottest.py
@@ -81,7 +81,7 @@ class TestBoottestEnd2End(TestBase):
         self.data.add(
             'green',
             False,
-            {'Depends': 'libc6 (>= 0.9), libgreen1'})
+            {'Source': 'green', 'Depends': 'libc6 (>= 0.9), libgreen1'})
         self.create_manifest([
             'green 1.0',
             'pyqt5:armhf 1.0',
@@ -108,15 +108,21 @@ class TestBoottestEnd2End(TestBase):
                 self.assertNotRegexpMatches(excuses, re)
 
     def test_runs(self):
-        # `Britney` runs and considers packages for boottesting when
-        # it is enabled in the configuration and 'in progress' tests
-        # blocks package promotion.
-        context = []
-        context.append(
-            ('green', {'Version': '1.1~beta', 'Depends': 'libc6 (>= 0.9)'}))
+        # `Britney` runs and considers binary packages for boottesting
+        # when it is enabled in the configuration, only binaries needed
+        # in the phone image are considered for boottesting.
+        # 'in progress' tests blocks package promotion.
+        context = [
+            ('green', {'Source': 'green', 'Version': '1.1~beta',
+                       'Depends': 'libc6 (>= 0.9)'}),
+            ('libgreen1', {'Source': 'green', 'Version': '1.1~beta',
+                           'Depends': 'libc6 (>= 0.9)'}),
+        ]
         self.do_test(
             context,
-            ['<li>boottest for green 1.1~beta: IN PROGRESS',
+            [r'\bgreen\b.*>1</a> to .*>1.1~beta<',
+             '<li>boottest for green 1.1~beta: IN PROGRESS',
+             '<li>boottest for libgreen1 1.1~beta: SKIPPED',
              '<li>Not considered'])
 
     def test_pass(self):
@@ -125,10 +131,11 @@ class TestBoottestEnd2End(TestBase):
         # promotion.
         context = []
         context.append(
-            ('pyqt5', {'Version': '1.1~beta'}))
+            ('pyqt5', {'Source': 'pyqt5-src', 'Version': '1.1~beta'}))
         self.do_test(
             context,
-            ['<li>boottest for pyqt5 1.1~beta: PASS',
+            [r'\bpyqt5-src\b.*\(- to .*>1.1~beta<',
+             '<li>boottest for pyqt5 1.1~beta: PASS',
              '<li>Valid candidate'])
 
     def test_fail(self):
@@ -137,10 +144,11 @@ class TestBoottestEnd2End(TestBase):
         # ('Not considered.')
         context = []
         context.append(
-            ('pyqt5', {'Version': '1.1'}))
+            ('pyqt5', {'Source': 'pyqt5-src', 'Version': '1.1'}))
         self.do_test(
             context,
-            ['<li>boottest for pyqt5 1.1: FAIL',
+            [r'\bpyqt5-src\b.*\(- to .*>1.1<',
+             '<li>boottest for pyqt5 1.1: FAIL',
              '<li>Not considered'])
 
     def test_skipped(self):
@@ -149,10 +157,12 @@ class TestBoottestEnd2End(TestBase):
         # promotion.
         context = []
         context.append(
-            ('apache2', {'Version': '2.4.8-1ubuntu1'}))
+            ('apache2', {'Source': 'apache2-src',
+                         'Version': '2.4.8-1ubuntu1'}))
         self.do_test(
             context,
-            ['<li>boottest for apache2 2.4.8-1ubuntu1: SKIPPED',
+            [r'\bapache2-src\b.*\(- to .*>2.4.8-1ubuntu1<',
+             '<li>boottest for apache2 2.4.8-1ubuntu1: SKIPPED',
              '<li>Valid candidate'])