binman: Enable bintool tests including cmdline processing

The tests rely on having at least 5 bintool implementions. Now that we
have this, enable them. Add tests for the binman 'tool' subcommand.

Signed-off-by: Simon Glass <sjg@chromium.org>

tools/binman/ftest.py

@@ -17,6 +17,8 @@ import struct
 import sys
 import tempfile
 import unittest
+import unittest.mock
+import urllib.error
 
 from binman import bintool
 from binman import cbfs_util
@@ -4991,6 +4993,36 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         err = stderr.getvalue()
         self.assertRegex(err, "Image 'main-section'.*faked.*: blob-ext-list")
 
+    def testListBintools(self):
+        args = ['tool', '--list']
+        with test_util.capture_sys_output() as (stdout, _):
+            self._DoBinman(*args)
+        out = stdout.getvalue().splitlines()
+        self.assertTrue(len(out) >= 2)
+
+    def testFetchBintools(self):
+        def fail_download(url):
+            """Take the tools.Download() function by raising an exception"""
+            raise urllib.error.URLError('my error')
+
+        args = ['tool']
+        with self.assertRaises(ValueError) as e:
+            self._DoBinman(*args)
+        self.assertIn("Invalid arguments to 'tool' subcommand",
+                      str(e.exception))
+
+        args = ['tool', '--fetch']
+        with self.assertRaises(ValueError) as e:
+            self._DoBinman(*args)
+        self.assertIn('Please specify bintools to fetch', str(e.exception))
+
+        args = ['tool', '--fetch', '_testing']
+        with unittest.mock.patch.object(tools, 'Download',
+                                        side_effect=fail_download):
+            with test_util.capture_sys_output() as (stdout, _):
+                self._DoBinman(*args)
+        self.assertIn('failed to fetch with all methods', stdout.getvalue())
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/main.py

@@ -68,6 +68,7 @@ def RunTests(debug, verbosity, processes, test_preserve_dirs, args, toolpath):
             name to execute (as in 'binman test testSections', for example)
         toolpath: List of paths to use for tools
     """
+    from binman import bintool_test
     from binman import cbfs_util_test
     from binman import elf_test
     from binman import entry_test
@@ -85,9 +86,9 @@ def RunTests(debug, verbosity, processes, test_preserve_dirs, args, toolpath):
     test_util.RunTestSuites(
         result, debug, verbosity, test_preserve_dirs, processes, test_name,
         toolpath,
-        [entry_test.TestEntry, ftest.TestFunctional, fdt_test.TestFdt,
-         elf_test.TestElf, image_test.TestImage, cbfs_util_test.TestCbfs,
-         fip_util_test.TestFip])
+        [bintool_test.TestBintool, entry_test.TestEntry, ftest.TestFunctional,
+         fdt_test.TestFdt, elf_test.TestElf, image_test.TestImage,
+         cbfs_util_test.TestCbfs, fip_util_test.TestFip])
 
     return test_util.ReportResult('binman', test_name, result)