test case: no RADICLE_NATIVE_CI set in environment

Signed-off-by: Lars Wirzenius <liw@liw.fi>

test-suite

@@ -84,6 +84,27 @@ class Suite:
         self.assert_triggered(resps[0])
         self.assert_success(resps[1])
 
+    def test_without_config_env_var(self):
+        git = Git(os.path.join(self.tmp, "no-config"))
+        git.init()
+        git.write("README.md", "README")
+        native = NativeYaml("echo hello world")
+        debug(f"native.yaml: {native.yaml()}")
+        git.write(".radicle/native.yaml", native.yaml())
+        git.commit("first commit")
+        commit = git.head()
+        self.rad.init(git)
+        rid = self.rad.rid(git)
+        trigger = Trigger(rid, commit)
+        ci = NativeCI(self.rad, self.config)
+        ci.without_config()
+        exit, resps = ci.run(trigger)
+        debug(f"exit: {exit}")
+        debug(f"responses: {resps}")
+        assert exit != 0
+        assert len(resps) == 0
+        # FIXME: check stderr that env var RADICLE_NATIVE_CI is mentioned
+
     def test_command_fails(self):
         exit, resps = self._test_case("cmd-fails", "false")
         assert exit != 0
@@ -230,14 +251,15 @@ class NativeCI:
     def __init__(self, rad, config):
         self.rad_home = rad.rad_home
         self.config = config.path
-
-    def env(self):
-        return {
+        self.env = {
             "RAD_HOME": self.rad_home,
             "RADICLE_NATIVE_CI": self.config,
             "RADICLE_NATIVE_CI_LOG": "debug",
         }
 
+    def without_config(self):
+        del self.env["RADICLE_NATIVE_CI"]
+
     def run(self, request):
         p = run(
             [
@@ -246,7 +268,7 @@ class NativeCI:
                 "-q",
             ],
             input=request.json(),
-            env=self.env(),
+            env=dict(self.env),
             may_fail=True,
         )
         return p.returncode, [