Fix cyclic crate dependency #2

Relocate a tests file to avoid a cyclic dependency:

    spk_schema -> spk_schema_validators -> spk_schema (dev)

Signed-off-by: J Robert Ray <jrray@jrray.org>

crates/spk-schema/crates/validators/Cargo.toml

@@ -29,6 +29,3 @@ sys-info = "0.9.0"
 tempdir = "0.3.7"
 thiserror = { workspace = true }
 tracing = { workspace = true }
-
-[dev-dependencies]
-spk-schema = { path = "../.." }

crates/spk-schema/crates/validators/src/validators.rs

@@ -11,9 +11,8 @@ use spk_schema_ident::BuildIdent;
 
 use crate::{Error, Result};
 
-#[cfg(test)]
-#[path = "./validators_test.rs"]
-mod validators_test;
+// Tests for this module are in spk-schema/src/v0/validators_test.rs to avoid
+// a cyclic crate dependency (the tests need spk_schema::v0).
 
 /// Validates that all remaining build files are collected into at least one component
 pub fn must_collect_all_files<'a, Files>(

crates/spk-schema/src/v0/mod.rs

@@ -9,3 +9,7 @@ mod variant;
 pub use spec::Spec;
 pub use test_spec::TestSpec;
 pub use variant::Variant;
+
+#[cfg(test)]
+#[path = "./validators_test.rs"]
+mod validators_test;

crates/spk-schema/crates/validators/src/validators_test.rs → crates/spk-schema/src/v0/validators_test.rs

@@ -2,10 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0
 // https://github.com/imageworks/spk
 
-use spk_schema::v0;
+use spk_schema_validators::{must_install_something, must_not_alter_existing_files};
 
-use super::{must_install_something, must_not_alter_existing_files};
-use crate::validators::must_collect_all_files;
+use crate::{v0, validators::must_collect_all_files};
 
 #[test]
 fn test_validate_build_changeset_nothing() {