Check Oracle versions in tests

src/batch.rs

@@ -315,8 +315,11 @@ impl<'conn, 'sql> BatchBuilder<'conn, 'sql> {
 ///
 /// ```
 /// # use oracle::Error;
-/// # use oracle::test_util;
+/// # use oracle::test_util::{self, check_version, VER12_1};
 /// # let conn = test_util::connect()?;
+/// # if !check_version(&conn, &VER12_1, &VER12_1)? {
+/// #     return Ok(()); // skip this test
+/// # }
 /// # conn.execute("delete from TestTempTable", &[])?;
 /// let sql_stmt = "insert into TestTempTable values(:1, :2)";
 /// let batch_size = 10;
@@ -361,8 +364,11 @@ impl<'conn, 'sql> BatchBuilder<'conn, 'sql> {
 /// ```
 /// # use oracle::Error;
 /// # use oracle::sql_type::OracleType;
-/// # use oracle::test_util;
+/// # use oracle::test_util::{self, check_version, VER12_1};
 /// # let conn = test_util::connect()?;
+/// # if !check_version(&conn, &VER12_1, &VER12_1)? {
+/// #     return Ok(()); // skip this test
+/// # }
 /// # conn.execute("delete from TestTempTable", &[])?;
 /// # let sql_stmt = "insert into TestTempTable values(:1, :2)";
 /// # let batch_size = 10;

src/lib.rs

@@ -526,6 +526,8 @@ pub mod test_util {
     use super::*;
     use std::env;
 
+    pub const VER12_1: Version = Version::new(12, 1, 0, 0, 0);
+
     fn env_var_or(env_name: &str, default: &str) -> String {
         match env::var_os(env_name) {
             Some(env_var) => env_var.into_string().unwrap(),
@@ -548,4 +550,12 @@ pub mod test_util {
     pub fn connect() -> Result<Connection> {
         Connection::connect(&main_user(), &main_password(), &connect_string())
     }
+
+    pub fn check_version(
+        conn: &Connection,
+        client_ver: &Version,
+        server_ver: &Version,
+    ) -> Result<bool> {
+        Ok(&Version::client()? >= client_ver && &conn.server_version()?.0 >= server_ver)
+    }
 }

src/version.rs

@@ -52,7 +52,7 @@ pub struct Version {
 
 impl Version {
     /// Creates a new version information
-    pub fn new(major: i32, minor: i32, update: i32, patch: i32, port_update: i32) -> Version {
+    pub const fn new(major: i32, minor: i32, update: i32, patch: i32, port_update: i32) -> Version {
         Version {
             major: major,
             minor: minor,