make sure that moduleclass is set in all easyconfig files (and is not set to default base moduleclass)

easybuild/easyconfigs/c/CCfits/CCfits-2.5-GCCcore-9.3.0.eb

@@ -25,3 +25,5 @@ sanity_check_paths = {
     'files': ['lib/libCCfits.%s' % SHLIB_EXT],
     'dirs': ['include/CCfits'],
 }
+
+moduleclass = 'lib'

easybuild/easyconfigs/g/gdbm/gdbm-1.18.1-foss-2020a.eb

@@ -26,4 +26,4 @@ sanity_check_paths = {
 
 sanity_check_commands = ['gdbmtool --help']
 
-moduleclass = 'base'
+moduleclass = 'lib'

easybuild/easyconfigs/g/gdbm/gdbm-1.21-GCCcore-10.2.0.eb

@@ -28,4 +28,4 @@ sanity_check_paths = {
     'dirs': ['share/man']
 }
 
-moduleclass = "lib"
+moduleclass = 'lib'

easybuild/easyconfigs/h/humann/humann-3.6-foss-2022a.eb

@@ -1,11 +1,9 @@
-# Humann
 easyblock = 'PythonBundle'
 
 name = 'humann'
 version = '3.6'
 
 homepage = 'http://huttenhower.sph.harvard.edu/humann'
-
 description = """HUMAnN v3 is a pipeline for efficiently
  and accurately determining the coverage and abundance
  of microbial pathways in a community from metagenomic data.
@@ -18,20 +16,19 @@ Sequencing a metagenome typically produces millions
 
 toolchain = {'name': 'foss', 'version': '2022a'}
 
-
 dependencies = {
     ('Python', '3.10.4'),
     ('SciPy-bundle', '2022.05'),
 }
 
-
 exts_list = [
     (name, version, {
         'checksums': ['addce81db58bacfdd5465423455d25e385aa8dd14349253c3a7054bf7d3747dc'],
     }),
 
 ]
 
-
 use_pip = True
 sanity_pip_check = True
+
+moduleclass = 'bio'

easybuild/easyconfigs/p/Python/Python-2.7.18-GCCcore-12.3.0.eb

@@ -51,3 +51,5 @@ exts_list = [
         'checksums': ['6773934e5f5fc3eaa8c5a44949b5b924fc122daa0a8aa9f80c835b4ca2a543fc'],
     }),
 ]
+
+moduleclass = 'lang'

test/easyconfigs/easyconfigs.py

@@ -1315,6 +1315,9 @@ def template_easyconfig_test(self, spec):
     # sanity check for software name, moduleclass
     self.assertEqual(ec['name'], name)
     self.assertTrue(ec['moduleclass'] in build_option('valid_module_classes'))
+    # base is the default value for moduleclass, which should never be used,
+    # and moduleclass should always be set in the easyconfig file
+    self.assertNotEqual(ec['moduleclass'], 'base')
 
     # instantiate easyblock with easyconfig file
     app_class = get_easyblock_class(easyblock, name=name)