tests/sandboxes/remote-exec-config.py: New test.

Tests that we get a sensible error message when we specify incomplete
or wrong information in the configuration for remote execution.

tests/sandboxes/remote-exec-config.py

+import pytest
+
+import itertools
+import os
+
+from buildstream import _yaml
+from buildstream._exceptions import ErrorDomain, LoadErrorReason
+
+from tests.testutils.runcli import cli
+
+DATA_DIR = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)),
+    "remote-exec-config"
+)
+
+# Tests that we get a useful error message when supplying invalid
+# remote execution configurations.
+
+
+# Assert that if both 'url' (the old style) and 'execution-service' (the new style)
+# are used at once, a LoadError results.
+@pytest.mark.datafiles(DATA_DIR)
+def test_old_and_new_configs(cli, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename, 'missing-certs')
+
+    project_conf = {
+        'name': 'test',
+
+        'remote-execution': {
+            'url': 'https://cache.example.com:12345',
+            'execution-service': {
+                'url': 'http://localhost:8088'
+            },
+            'storage-service': {
+                'url': 'http://charactron:11001',
+            }
+        }
+    }
+    project_conf_file = os.path.join(project, 'project.conf')
+    _yaml.dump(project_conf, project_conf_file)
+
+    # Use `pull` here to ensure we try to initialize the remotes, triggering the error
+    #
+    # This does not happen for a simple `bst show`.
+    result = cli.run(project=project, args=['pull', 'element.bst'])
+    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA, "specify one")
+
+
+# Assert that if either the client key or client cert is specified
+# without specifying its counterpart, we get a comprehensive LoadError
+# instead of an unhandled exception.
+@pytest.mark.datafiles(DATA_DIR)
+@pytest.mark.parametrize('config_key, config_value', [
+    ('client-cert', 'client.crt'),
+    ('client-key', 'client.key')
+])
+def test_missing_certs(cli, datafiles, config_key, config_value):
+    project = os.path.join(datafiles.dirname, datafiles.basename, 'missing-certs')
+
+    project_conf = {
+        'name': 'test',
+
+        'remote-execution': {
+            'execution-service': {
+                'url': 'http://localhost:8088'
+            },
+            'storage-service': {
+                'url': 'http://charactron:11001',
+                config_key: config_value,
+            }
+        }
+    }
+    project_conf_file = os.path.join(project, 'project.conf')
+    _yaml.dump(project_conf, project_conf_file)
+
+    # Use `pull` here to ensure we try to initialize the remotes, triggering the error
+    #
+    # This does not happen for a simple `bst show`.
+    result = cli.run(project=project, args=['show', 'element.bst'])
+    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA, "Your config is missing")
+
+
+# Assert that if incomplete information is supplied we get a sensible error message.
+@pytest.mark.datafiles(DATA_DIR)
+def test_empty_config(cli, datafiles):
+    project = os.path.join(datafiles.dirname, datafiles.basename, 'missing-certs')
+
+    project_conf = {
+        'name': 'test',
+
+        'remote-execution': {
+        }
+    }
+    project_conf_file = os.path.join(project, 'project.conf')
+    _yaml.dump(project_conf, project_conf_file)
+
+    # Use `pull` here to ensure we try to initialize the remotes, triggering the error
+    #
+    # This does not happen for a simple `bst show`.
+    result = cli.run(project=project, args=['pull', 'element.bst'])
+    result.assert_main_error(ErrorDomain.LOAD, LoadErrorReason.INVALID_DATA, "specify one")

tests/sandboxes/remote-exec-config/missing-certs/element.bst

+kind: autotools