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-rw-r--r--tests/common.sh.in3
-rw-r--r--tests/config.sh18
-rw-r--r--tests/config/nix-with-substituters.conf2
-rw-r--r--tests/local.mk1
4 files changed, 24 insertions, 0 deletions
diff --git a/tests/common.sh.in b/tests/common.sh.in
index 15d7b1ef9..dd7e61822 100644
--- a/tests/common.sh.in
+++ b/tests/common.sh.in
@@ -11,6 +11,7 @@ export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_CONF_DIR=$TEST_ROOT/etc
+unset NIX_USER_CONF_FILES
export _NIX_TEST_SHARED=$TEST_ROOT/shared
if [[ -n $NIX_STORE ]]; then
export _NIX_TEST_NO_SANDBOX=1
@@ -21,6 +22,8 @@ export NIX_REMOTE=$NIX_REMOTE_
unset NIX_PATH
export TEST_HOME=$TEST_ROOT/test-home
export HOME=$TEST_HOME
+unset XDG_CONFIG_HOME
+unset XDG_CONFIG_DIRS
unset XDG_CACHE_HOME
mkdir -p $TEST_HOME
diff --git a/tests/config.sh b/tests/config.sh
new file mode 100644
index 000000000..8fa349f11
--- /dev/null
+++ b/tests/config.sh
@@ -0,0 +1,18 @@
+source common.sh
+
+# Test that files are loaded from XDG by default
+export XDG_CONFIG_HOME=/tmp/home
+export XDG_CONFIG_DIRS=/tmp/dir1:/tmp/dir2
+files=$(nix-build --verbose --version | grep "User config" | cut -d ':' -f2- | xargs)
+[[ $files == "/tmp/home/nix/nix.conf:/tmp/dir1/nix/nix.conf:/tmp/dir2/nix/nix.conf" ]]
+
+# Test that setting NIX_USER_CONF_FILES overrides all the default user config files
+export NIX_USER_CONF_FILES=/tmp/file1.conf:/tmp/file2.conf
+files=$(nix-build --verbose --version | grep "User config" | cut -d ':' -f2- | xargs)
+[[ $files == "/tmp/file1.conf:/tmp/file2.conf" ]]
+
+# Test that it's possible to load the config from a custom location
+here=$(readlink -f "$(dirname "${BASH_SOURCE[0]}")")
+export NIX_USER_CONF_FILES=$here/config/nix-with-substituters.conf
+var=$(nix show-config | grep '^substituters =' | cut -d '=' -f 2 | xargs)
+[[ $var == https://example.com ]]
diff --git a/tests/config/nix-with-substituters.conf b/tests/config/nix-with-substituters.conf
new file mode 100644
index 000000000..90f359a6f
--- /dev/null
+++ b/tests/config/nix-with-substituters.conf
@@ -0,0 +1,2 @@
+experimental-features = nix-command
+substituters = https://example.com
diff --git a/tests/local.mk b/tests/local.mk
index 01fac4fcd..c5602773d 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -1,5 +1,6 @@
nix_tests = \
init.sh hash.sh lang.sh add.sh simple.sh dependencies.sh \
+ config.sh \
gc.sh \
gc-concurrent.sh \
gc-auto.sh \