Rust: reorganize options integration tests

Author: Paolo Tranquilli

rust/ql/integration-tests/options/arch_functions.Darwin.expected

@@ -0,0 +1,5 @@
+[workspace]
+[package]
+name = "cfg"
+version = "0.1.0"
+edition = "2021"

rust/ql/integration-tests/options/arch_functions.Linux.expected

@@ -0,0 +1,3 @@
+| src/lib.rs:7:1:8:19 | cfg_no_flag |
+| src/lib.rs:10:1:11:18 | cfg_no_key |
+| src/lib.rs:16:1:17:24 | pointer_width_64 |

rust/ql/integration-tests/options/arch_functions.Windows.expected

@@ -0,0 +1,4 @@
+| src/lib.rs:1:1:2:16 | cfg_flag |
+| src/lib.rs:4:1:5:15 | cfg_key |
+| src/lib.rs:13:1:14:12 | test |
+| src/lib.rs:19:1:20:24 | pointer_width_32 |

rust/ql/integration-tests/options/arch_functions.ql

@@ -0,0 +1,5 @@
+import rust
+
+from Function f
+where f.hasExtendedCanonicalPath()
+select f

rust/ql/integration-tests/options/cfg/Cargo.toml

@@ -13,5 +13,8 @@ fn cfg_no_key() {}
 #[cfg(test)]
 fn test() {}
 
+#[cfg(target_pointer_width = "64")]
+fn pointer_width_64() {}
+
 #[cfg(target_pointer_width = "32")]
 fn pointer_width_32() {}

rust/ql/integration-tests/options/cfg/functions.expected

@@ -0,0 +1,19 @@
+import pytest
+import platform
+import os
+
+
+def test_default(codeql, rust):
+    codeql.database.create()
+
+
+@pytest.mark.ql_test(expected=".override.expected")
+def test_cfg_overrides(codeql, rust):
+    overrides = ",".join((
+        "cfg_flag",
+        "cfg_key=value",
+        "-target_pointer_width=64",
+        "target_pointer_width=32",
+        "test",
+    ))
+    codeql.database.create(extractor_option=f"cargo_cfg_overrides={overrides}")