C# plugin

Author: Heliozoa

Cargo.toml

@@ -3,6 +3,7 @@ members =[
     "tmc-langs-abstraction",
     "tmc-langs-cli",
     "tmc-langs-core",
+    "tmc-langs-csharp",
     "tmc-langs-framework",
     "tmc-langs-java",
     "tmc-langs-make",

tmc-langs-csharp/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "tmc-langs-csharp"
+version = "0.1.0"
+authors = ["Daniel Martinez <daniel.x.martinez@helsinki.fi>"]
+edition = "2018"
+
+[dependencies]
+tmc-langs-framework = { path = "../tmc-langs-framework" }
+walkdir = "2"
+dirs = "3"
+thiserror = "1"
+zip = "0.5"
+serde_json = "1"
+log = "0.4"
+serde = { version = "1", features = ["derive"] }
+
+[dev-dependencies]
+tempfile = "3"

tmc-langs-csharp/README.md

@@ -0,0 +1,5 @@
+## Environment variables
+
+| var name                    | usage                                                                         |
+| --------------------------- | ----------------------------------------------------------------------------- |
+| `TMC_CSHARP_BOOTSTRAP_PATH` | Overrides the path to the TMC C# bootstrap's TestMyCode.CSharp.Bootstrap.dll. |

tmc-langs-csharp/src/error.rs

@@ -0,0 +1,43 @@
+//! Error type for C#
+use std::path::PathBuf;
+use std::process::ExitStatus;
+use thiserror::Error;
+use tmc_langs_framework::TmcError;
+
+#[derive(Debug, Error)]
+pub enum CSharpError {
+    #[error("Failed to create file {0}")]
+    CreateFile(PathBuf, #[source] std::io::Error),
+    #[error("Failed to write file {0}")]
+    WriteFile(PathBuf, #[source] std::io::Error),
+    #[error("Failed to read file {0}")]
+    ReadFile(PathBuf, #[source] std::io::Error),
+    #[error("Failed to remove file {0}")]
+    RemoveFile(PathBuf, #[source] std::io::Error),
+    #[error("Failed to create dir {0}")]
+    CreateDir(PathBuf, #[source] std::io::Error),
+    #[error("Failed to remove dir {0}")]
+    RemoveDir(PathBuf, #[source] std::io::Error),
+
+    #[error("Failed to parse exercise description at {0}")]
+    ParseExerciseDesc(PathBuf, #[source] serde_json::Error),
+    #[error("Failed to parse test results at {0}")]
+    ParseTestResults(PathBuf, #[source] serde_json::Error),
+
+    #[error("Could not locate cache directory")]
+    CacheDir,
+    #[error("Could not locate boostrap DLL at {0}")]
+    MissingBootstrapDll(PathBuf),
+    #[error("Error while handling tmc-csharp-runner zip")]
+    Zip(#[source] zip::result::ZipError),
+    #[error("Failed to run {0}")]
+    RunFailed(&'static str, #[source] std::io::Error),
+    #[error("Command {0} failed with return code {1}")]
+    CommandFailed(&'static str, ExitStatus),
+}
+
+impl From<CSharpError> for TmcError {
+    fn from(err: CSharpError) -> Self {
+        Self::Plugin(Box::new(err))
+    }
+}

tmc-langs-csharp/src/lib.rs

@@ -0,0 +1,31 @@
+//! Language plugin for C#
+mod error;
+mod plugin;
+
+pub use error::CSharpError;
+pub use plugin::{CSharpPlugin, CSharpStudentFilePolicy};
+use tmc_langs_framework::domain::TestResult;
+
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+struct CSTestResult {
+    name: String,
+    passed: bool,
+    message: String,
+    points: Vec<String>,
+    error_stack_trace: Vec<String>,
+}
+
+impl From<CSTestResult> for TestResult {
+    fn from(test_result: CSTestResult) -> Self {
+        TestResult {
+            name: test_result.name,
+            successful: test_result.passed,
+            message: test_result.message,
+            exception: test_result.error_stack_trace,
+            points: test_result.points,
+        }
+    }
+}