tests: Check that we handle XDG_foo_HOME as intended

Signed-off-by: Simon McVittie <smcv@collabora.com>

tests/test-run.sh

@@ -24,7 +24,7 @@ set -euo pipefail
 skip_without_bwrap
 skip_revokefs_without_fuse
 
-echo "1..19"
+echo "1..20"
 
 # Use stable rather than master as the branch so we can test that the run
 # command automatically finds the branch correctly
@@ -83,6 +83,40 @@ assert_file_has_content value-in-sandbox "^/run/user/$(id -u)\$"
 
 ok "XDG_RUNTIME_DIR=$XDG_RUNTIME_DIR not inherited"
 
+assert_streq "$XDG_CACHE_HOME" "${TEST_DATA_DIR}/home/cache"
+run_sh org.test.Hello 'echo "$XDG_CACHE_HOME"' > value-in-sandbox
+head value-in-sandbox >&2
+assert_file_has_content value-in-sandbox "^${TEST_DATA_DIR}/home/\\.var/app/org\\.test\\.Hello/cache\$"
+run_sh org.test.Hello 'echo "$HOST_XDG_CACHE_HOME"' > host-value-in-sandbox
+head host-value-in-sandbox >&2
+assert_file_has_content host-value-in-sandbox "^${TEST_DATA_DIR}/home/cache\$"
+
+assert_streq "$XDG_CONFIG_HOME" "${TEST_DATA_DIR}/home/config"
+run_sh org.test.Hello 'echo "$XDG_CONFIG_HOME"' > value-in-sandbox
+head value-in-sandbox >&2
+assert_file_has_content value-in-sandbox "^${TEST_DATA_DIR}/home/\\.var/app/org\\.test\\.Hello/config\$"
+run_sh org.test.Hello 'echo "$HOST_XDG_CONFIG_HOME"' > host-value-in-sandbox
+head host-value-in-sandbox >&2
+assert_file_has_content host-value-in-sandbox "^${TEST_DATA_DIR}/home/config\$"
+
+assert_streq "$XDG_DATA_HOME" "${TEST_DATA_DIR}/home/share"
+run_sh org.test.Hello 'echo "$XDG_DATA_HOME"' > value-in-sandbox
+head value-in-sandbox >&2
+assert_file_has_content value-in-sandbox "^${TEST_DATA_DIR}/home/\\.var/app/org\\.test\\.Hello/data\$"
+run_sh org.test.Hello 'echo "$HOST_XDG_DATA_HOME"' > host-value-in-sandbox
+head host-value-in-sandbox >&2
+assert_file_has_content host-value-in-sandbox "^${TEST_DATA_DIR}/home/share\$"
+
+assert_streq "$XDG_STATE_HOME" "${TEST_DATA_DIR}/home/state"
+run_sh org.test.Hello 'echo "$XDG_STATE_HOME"' > value-in-sandbox
+head value-in-sandbox >&2
+assert_file_has_content value-in-sandbox "^${TEST_DATA_DIR}/home/\\.var/app/org\\.test\\.Hello/\\.local/state\$"
+run_sh org.test.Hello 'echo "$HOST_XDG_STATE_HOME"' > host-value-in-sandbox
+head host-value-in-sandbox >&2
+assert_file_has_content host-value-in-sandbox "^${TEST_DATA_DIR}/home/state\$"
+
+ok "XDG_foo_HOME work as expected"
+
 run_sh org.test.Platform cat /.flatpak-info >runtime-fpi
 assert_file_has_content runtime-fpi "[Runtime]"
 assert_file_has_content runtime-fpi "^runtime=runtime/org\.test\.Platform/$ARCH/stable$"