smoke test: preliminary sqlite tests

var/spack/repos/builtin/packages/sqlite/package.py

@@ -3,10 +3,21 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
+import llnl.util.tty as tty
+import re
+
 from spack import *
 from spack import architecture
 
 
+def _get_output(filename):
+    """Read and clean up the expected output from the specified file."""
+    output = ''
+    with open('./data/{0}'.format(filename), 'r') as fd:
+        output = fd.read()
+    return [re.escape(ln) for ln in output.split('\n')]
+
+
 class Sqlite(AutotoolsPackage):
     """SQLite3 is an SQL database engine in a C library. Programs that
        link the SQLite3 library can have SQL database access without
@@ -129,3 +140,41 @@ def build_libsqlitefunctions(self):
             cc(self.compiler.cc_pic_flag, '-lm', '-shared',
                 'extension-functions.c', '-o', libraryname)
             install(libraryname, self.prefix.lib)
+
+    def _test_example(self):
+        """Ensure a sequence of commands on example db are successful."""
+
+        # Ensure the database only contains one table
+        reason = 'test to ensure only table is "packages"'
+        opts = ['./data/packages.db', '.tables']
+        self.run_test('sqlite3', opts, 'packages', None, installed=True,
+                      purpose=reason, skip_missing=False)
+
+        # Ensure the database dump matches expectations, where special
+        # characters are replaced with spaces in the expected and actual
+        # output to avoid pattern errors.
+        reason = 'test dump output'
+        opts = ['./data/packages.db', '.dump']
+        expected = _get_output('dump.out')
+        self.run_test('sqlite3', opts, expected, None, installed=True,
+                      purpose=reason, skip_missing=False)
+        
+    def _test_version(self):
+        """Perform version check on the installed package."""
+        exe = 'sqlite3'
+        vers_str = str(self.spec.version)
+
+        reason = 'test version of {0} is {1}'.format(exe, vers_str)
+        self.run_test(exe, '-version', vers_str, None, installed=True,
+                      purpose=reason, skip_missing=False)
+
+    def test(self):
+        """Perform smoke tests on the installed package."""
+        tty.debug('Expected results currently based on simple {0} builds'
+                  .format(self.name))
+
+        # Perform a simple version check
+        self._test_version()
+
+        # Run a sequence of operations
+        self._test_example()

var/spack/repos/builtin/packages/sqlite/test/dump.out

@@ -0,0 +1,10 @@
+PRAGMA foreign_keys=OFF;
+BEGIN TRANSACTION;
+CREATE TABLE packages (
+name varchar(80) primary key,
+has_code integer,
+url varchar(160));
+INSERT INTO packages VALUES('sqlite',1,'https://www.sqlite.org');
+INSERT INTO packages VALUES('readline',1,'https://tiswww.case.edu/php/chet/readline/rltop.html');
+INSERT INTO packages VALUES('xsdk',0,'http://xsdk.info');
+COMMIT;