Fix func tests.

tests/functional/cylc-config/09-platforms.t

@@ -23,8 +23,10 @@ set_test_number 5
 cat > "global.cylc" <<__HEREDOC__
 [platforms]
     [[foo]]
+        job runner = slurm
         hosts = of_melkor, of_valar
     [[bar]]
+        job runner = slurm
         hosts = of_orcs, of_gondor
 [platform groups]
     [[FOO]]
@@ -58,7 +60,7 @@ Platform Groups
 __HEREDOC__
 
 TEST_NAME="${TEST_NAME_BASE}-s"
-head -n 8 > just_platforms < global.cylc
+head -n 10 > just_platforms < global.cylc
 run_ok "${TEST_NAME}" cylc config --platforms
 cmp_ok "${TEST_NAME}.stdout" "just_platforms"
 

tests/functional/cylc-config/10-platform-expansion.t

@@ -27,6 +27,7 @@ cat > "global.cylc" <<__HEREDOC__
         baz\d\d, qux\S\S \
     ]]
         hosts = of_melkor, of_valar
+        job runner = slurm
 __HEREDOC__
 
 export CYLC_CONF_PATH="${PWD}"

tests/functional/intelligent-host-selection/00-mixedhost.t

@@ -24,6 +24,8 @@ export REQUIRE_PLATFORM='loc:remote fs:indep comms:tcp'
 #-------------------------------------------------------------------------------
 set_test_number 4
 
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [platforms]
     [[goodhostplatform]]
@@ -32,6 +34,7 @@ create_test_global_config "" "
         retrieve job logs = True
 
     [[mixedhostplatform]]
+        job runner = my_background
         hosts = unreachable_host, ${CYLC_TEST_HOST}
         install target = ${CYLC_TEST_INSTALL_TARGET}
         retrieve job logs = True
@@ -42,6 +45,9 @@ create_test_global_config "" "
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_ok "${TEST_NAME_BASE}-run" \

tests/functional/intelligent-host-selection/01-periodic-clear-badhosts.t

@@ -27,6 +27,9 @@ set_test_number 3
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 create_test_global_config '' "
     [scheduler]
         [[main loop]]

tests/functional/intelligent-host-selection/02-badhosts.t

@@ -25,9 +25,12 @@ export REQUIRE_PLATFORM='loc:remote fs:indep comms:tcp'
 #-------------------------------------------------------------------------------
 set_test_number 6
 
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [platforms]
     [[badhostplatform]]
+        job runner = my_background
         hosts = e9755ca30f5, 3c0b4799402
         install target = ${CYLC_TEST_INSTALL_TARGET}
         [[[selection]]]
@@ -39,6 +42,7 @@ create_test_global_config "" "
         retrieve job logs = True
 
     [[mixedhostplatform]]
+        job runner = my_background
         hosts = unreachable_host, ${CYLC_TEST_HOST}
         install target = ${CYLC_TEST_INSTALL_TARGET}
         retrieve job logs = True
@@ -51,6 +55,9 @@ create_test_global_config "" "
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_ok "${TEST_NAME_BASE}-run" \

tests/functional/intelligent-host-selection/03-polling.t

@@ -30,6 +30,8 @@ export REQUIRE_PLATFORM='loc:remote fs:indep'
 #-------------------------------------------------------------------------------
 set_test_number 4
 
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [scheduler]
     [[main loop]]
@@ -46,6 +48,7 @@ create_test_global_config "" "
         submission polling intervals = PT0S, 5*PT2S
 
     [[mixedhostplatform]]
+        job runner = my_background
         hosts = unreachable_host, ${CYLC_TEST_HOST}
         install target = ${CYLC_TEST_INSTALL_TARGET}
         retrieve job logs = True
@@ -58,6 +61,9 @@ create_test_global_config "" "
 #-------------------------------------------------------------------------------
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_ok "${TEST_NAME_BASE}-run" \

tests/functional/intelligent-host-selection/04-kill.t

@@ -24,6 +24,8 @@ export REQUIRE_PLATFORM='loc:remote fs:indep comms:tcp'
 #-------------------------------------------------------------------------------
 set_test_number 4
 
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [scheduler]
     [[main loop]]
@@ -36,6 +38,7 @@ create_test_global_config "" "
         install target = ${CYLC_TEST_INSTALL_TARGET}
 
     [[mixedhostplatform]]
+        job runner = my_background
         hosts = unreachable_host, ${CYLC_TEST_HOST}
         install target = ${CYLC_TEST_INSTALL_TARGET}
         [[[selection]]]
@@ -45,6 +48,9 @@ create_test_global_config "" "
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_ok "${TEST_NAME_BASE}-run" \

tests/functional/intelligent-host-selection/05-from-platform-group.t

@@ -25,14 +25,18 @@ export REQUIRE_PLATFORM='loc:remote fs:indep comms:tcp'
 #-------------------------------------------------------------------------------
 set_test_number 11
 
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [platforms]
     [[${CYLC_TEST_PLATFORM}]]
         # mixed host platform
+        job runner = my_background
         hosts = unreachable_host, ${CYLC_TEST_HOST}
         [[[selection]]]
             method = 'definition order'
     [[badhostplatform]]
+        job runner = my_background
         hosts = bad_host1, bad_host2
         [[[selection]]]
             method = 'definition order'
@@ -54,6 +58,9 @@ create_test_global_config "" "
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_ok "${TEST_NAME_BASE}-run" \

tests/functional/intelligent-host-selection/06-from-platform-group-fails.t

@@ -22,11 +22,16 @@
 . "$(dirname "$0")/test_header"
 set_test_number 12
 #-------------------------------------------------------------------------------
+
+# Uses a fake background job runner to get around the single host restriction.
+
 create_test_global_config "" "
 [platforms]
     [[badhostplatform1]]
+        job runner = my_background
         hosts = bad_host1, bad_host2
     [[badhostplatform2]]
+        job runner = my_background
         hosts = bad_host3, bad_host4
 
 [platform groups]
@@ -36,6 +41,9 @@ create_test_global_config "" "
 
 install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
 
+# Install the fake background job runner.
+cp -r "${TEST_SOURCE_DIR}/lib" "${WORKFLOW_RUN_DIR}"
+
 run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
 
 workflow_run_fail "${TEST_NAME_BASE}-run" \