feat: apply multiply files

Closes #3

migra-cli/src/commands/apply.rs

@@ -12,17 +12,25 @@ pub(crate) fn apply_sql(app: &App, cmd_opts: ApplyCommandOpt) -> StdResult<()> {
 
     let migration_manager = MigrationManager::new();
 
-    let file_path = {
-        let mut file_path = config.directory_path().join(cmd_opts.file_name);
-        if file_path.extension().is_none() {
-            file_path.set_extension("sql");
-        }
-        file_path
-    };
+    let file_contents = cmd_opts
+        .file_paths
+        .into_iter()
+        .map(|file_path| {
+            let mut file_path = config.directory_path().join(file_path);
+            if file_path.extension().is_none() {
+                file_path.set_extension("sql");
+            }
+            dbg!(&file_path);
+            file_path
+        })
+        .map(std::fs::read_to_string)
+        .collect::<Result<Vec<_>, _>>()?;
 
-    let content = std::fs::read_to_string(file_path)?;
     with_transaction(conn, &mut |conn| {
-        migration_manager.apply_sql(conn, &content)
+        file_contents
+            .iter()
+            .try_for_each(|content| migration_manager.apply_sql(conn, content))?;
+        Ok(())
     })?;
 
     Ok(())

migra-cli/src/config.rs

@@ -176,7 +176,7 @@ impl Config {
             Err(e) if e.kind() == io::ErrorKind::NotFound => return Ok(Vec::new()),
             entries => entries?
                 .map(|res| res.map(|e| e.path()))
-                .collect::<Result<Vec<_>, io::Error>>()?,
+                .collect::<Result<Vec<_>, _>>()?,
         };
 
         if entries.is_empty() {

migra-cli/src/opts.rs

@@ -34,8 +34,8 @@ pub(crate) enum Command {
 
 #[derive(Debug, StructOpt, Clone)]
 pub(crate) struct ApplyCommandOpt {
-    #[structopt(parse(from_str))]
-    pub file_name: String,
+    #[structopt(parse(from_os_str), required = true)]
+    pub file_paths: Vec<PathBuf>,
 }
 
 #[derive(Debug, StructOpt, Clone)]

migra-cli/tests/commands.rs

@@ -448,3 +448,120 @@ mod upgrade {
         Ok(())
     }
 }
+
+mod apply {
+    use super::*;
+
+    #[test]
+    fn apply_files() -> TestResult {
+        fn inner<ValidateFn>(
+            database_name: &'static str,
+            file_paths: Vec<&'static str>,
+            validate: ValidateFn,
+        ) -> TestResult
+        where
+            ValidateFn: Fn() -> TestResult,
+        {
+            let manifest_path = database_manifest_path(database_name);
+
+            Command::cargo_bin("migra")?
+                .arg("-c")
+                .arg(&manifest_path)
+                .arg("apply")
+                .args(file_paths)
+                .assert()
+                .success();
+
+            validate()?;
+
+            Ok(())
+        }
+
+        cfg_if! {
+            if #[cfg(feature = "postgres")] {
+                inner(
+                    "postgres",
+                    vec![
+                        "migrations/210218232851_create_articles/up",
+                        "migrations/210218233414_create_persons/up",
+                    ],
+                    || {
+                        let mut conn = postgres::Client::connect(POSTGRES_URL, postgres::NoTls)?;
+                        let res = conn.query("SELECT p.id, a.id FROM persons AS p, articles AS a", &[])?;
+
+                        assert_eq!(
+                            res.into_iter()
+                                .map(|row| (row.get(0), row.get(1)))
+                                .collect::<Vec<(i32, i32)>>(),
+                            Vec::new()
+                        );
+
+                        Ok(())
+                    },
+                )?;
+
+                inner(
+                    "postgres",
+                    vec![
+                        "migrations/210218233414_create_persons/down",
+                        "migrations/210218232851_create_articles/down",
+                    ],
+                    || {
+                        let mut conn = postgres::Client::connect(POSTGRES_URL, postgres::NoTls)?;
+                        let res = conn.query("SELECT p.id, a.id FROM persons AS p, articles AS a", &[]);
+
+                        assert!(res.is_err());
+
+                        Ok(())
+                    },
+                )?;
+            }
+        }
+
+        cfg_if! {
+            if #[cfg(feature = "mysql")] {
+                inner(
+                    "mysql",
+                    vec![
+                        "migrations/210218232851_create_articles/up",
+                        "migrations/210218233414_create_persons/up",
+                    ],
+                    || {
+                        use mysql::prelude::*;
+
+                        let pool = mysql::Pool::new(MYSQL_URL)?;
+                        let mut conn = pool.get_conn()?;
+
+                        let res = conn.query_drop("SELECT p.id, a.id FROM persons AS p, articles AS a")?;
+
+                        assert_eq!(res, ());
+
+                        Ok(())
+                    },
+                )?;
+
+                inner(
+                    "mysql",
+                    vec![
+                        "migrations/210218233414_create_persons/down",
+                        "migrations/210218232851_create_articles/down",
+                    ],
+                    || {
+                        use mysql::prelude::*;
+
+                        let pool = mysql::Pool::new(MYSQL_URL)?;
+                        let mut conn = pool.get_conn()?;
+
+                        let res = conn.query_drop("SELECT p.id, a.id FROM persons AS p, articles AS a");
+
+                        assert!(res.is_err());
+
+                        Ok(())
+                    }
+                )?;
+            }
+        }
+
+        Ok(())
+    }
+}