ci: add justfile and nextest with test groups & mutex

Author: fubhy

.config/nextest.toml

@@ -0,0 +1,14 @@
+[[profile.default.overrides]]
+filter = 'package(graphman-server)'
+priority = -1
+threads-required = 'num-test-threads' # Global mutex
+
+[[profile.default.overrides]]
+filter = 'package(test-store)'
+priority = -1
+threads-required = 'num-test-threads' # Global mutex
+
+[[profile.default.overrides]]
+filter = 'package(graph-tests)'
+priority = -1
+threads-required = 'num-test-threads' # Global mutex

flake.nix

@@ -51,6 +51,7 @@
               corepack
               nodejs
               postgresql
+              just
             ]);
           };
 
@@ -85,7 +86,7 @@
                 shared_preload_libraries = "pg_stat_statements";
                 log_statement = "all";
                 default_text_search_config = "pg_catalog.english";
-                max_connections = 200;
+                max_connections = 500;
               };
             };
           in {

justfile

@@ -0,0 +1,43 @@
+# Display available commands and their descriptions (default target)
+default:
+    @just --list
+
+# Format all Rust code (cargo fmt)
+fmt:
+    cargo fmt --all
+
+# Check Rust code format (cargo fmt --check)
+fmt-check:
+    cargo fmt --all -- --check
+
+# Check Rust code (cargo check)
+check *EXTRA_FLAGS:
+    cargo check {{EXTRA_FLAGS}}
+
+# Run all tests (unit and integration)
+test *EXTRA_FLAGS:
+    #!/usr/bin/env bash
+    set -e # Exit on error
+    cargo nextest run {{EXTRA_FLAGS}} --workspace
+
+# Run unit tests
+test-unit *EXTRA_FLAGS:
+    #!/usr/bin/env bash
+    set -e # Exit on error
+    cargo nextest run {{EXTRA_FLAGS}} --workspace --exclude graph-tests 
+
+# Run integration tests
+test-integration *EXTRA_FLAGS:
+    #!/usr/bin/env bash
+    set -e # Exit on error
+    cargo nextest run {{EXTRA_FLAGS}} --package graph-tests --test integration_tests
+
+# Run runner tests
+test-runner *EXTRA_FLAGS:
+    #!/usr/bin/env bash
+    set -e # Exit on error
+    cargo nextest run {{EXTRA_FLAGS}} --package graph-tests --test runner_tests
+
+# Clean workspace (cargo clean)
+clean:
+    cargo clean