Support relative and `~/` paths in config settings

Change-Id: I5566a9858ba255f4ac5051d1368c7dfb24460f0a

1 files changed, 54 insertions, 1 deletions

diff --git a/tests/unit/libutil/paths-setting.cc b/tests/unit/libutil/paths-setting.cc
index c198b25e0..2d37ad525 100644
--- a/tests/unit/libutil/paths-setting.cc
+++ b/tests/unit/libutil/paths-setting.cc
@@ -48,7 +48,60 @@ TEST_F(PathsSettingTest, parse)
     ASSERT_THAT(config.paths.parse("/puppy/../doggy.nix", {}), Eq<Paths>({"/doggy.nix"}));
 }
 
-TEST_F(PathsSettingTest, append) {
+TEST_F(PathsSettingTest, parseRelative)
+{
+    auto options = ApplyConfigOptions{.path = "/doggy/kinds/config.nix"};
+    auto config = mkConfig();
+    ASSERT_THAT(
+        config.paths.parse("puppy.nix", options),
+        Eq<Paths>({"/doggy/kinds/puppy.nix"})
+    );
+
+    // Splits on whitespace:
+    ASSERT_THAT(
+        config.paths.parse("puppy.nix /doggy.nix", options), Eq<Paths>({"/doggy/kinds/puppy.nix", "/doggy.nix"})
+    );
+
+    // Canonicizes paths:
+    ASSERT_THAT(config.paths.parse("../soft.nix", options), Eq<Paths>({"/doggy/soft.nix"}));
+
+    // Canonicizes paths:
+    ASSERT_THAT(config.paths.parse("./soft.nix", options), Eq<Paths>({"/doggy/kinds/soft.nix"}));
+}
+
+TEST_F(PathsSettingTest, parseHome)
+{
+    auto options = ApplyConfigOptions{
+        .path = "/doggy/kinds/config.nix",
+        .home = "/home/puppy"
+    };
+    auto config = mkConfig();
+
+    ASSERT_THAT(
+        config.paths.parse("puppy.nix", options),
+        Eq<Paths>({"/doggy/kinds/puppy.nix"})
+    );
+
+    ASSERT_THAT(
+        config.paths.parse("~/.config/nix/puppy.nix", options),
+        Eq<Paths>({"/home/puppy/.config/nix/puppy.nix"})
+    );
+
+    // Splits on whitespace:
+    ASSERT_THAT(
+        config.paths.parse("~/puppy.nix ~/doggy.nix", options),
+        Eq<Paths>({"/home/puppy/puppy.nix", "/home/puppy/doggy.nix"})
+    );
+
+    // Canonicizes paths:
+    ASSERT_THAT(config.paths.parse("~/../why.nix", options), Eq<Paths>({"/home/why.nix"}));
+
+    // Home paths for other users not allowed. Needs to start with `~/`.
+    ASSERT_THROW(config.paths.parse("~root/config.nix", options), Error);
+}
+
+TEST_F(PathsSettingTest, append)
+{
     auto config = mkConfig();
 
     ASSERT_TRUE(config.paths.isAppendable());