add test framework and a basic test

tests/data/cert.pem

@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----
+MIIFCTCCAvGgAwIBAgIUP60wPmdZzVFdc9c1ReFbzcWk9CwwDQYJKoZIhvcNAQEL
+BQAwFDESMBAGA1UEAwwJbG9jYWxob3N0MB4XDTIwMTEwODE0MzE1NloXDTMwMTEw
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+-----END CERTIFICATE-----

tests/data/content/.meta

@@ -0,0 +1,12 @@
+# test setting a mime type
+index.gmi: text/gemini
+# test globs and setting parameters
+*.de.gmi: ;lang=de
+# test double star globs
+**/*.nl.gmi: ;lang=nl
+# test setting multiple parameters
+test.gmi: ;lang=en ;charset=us-ascii
+# test setting data for nonexistent files
+gone.txt: 52 This file is no longer available.
+# test setting data for files in other directories
+example.com/index.gmi: ;lang=en-US

tests/data/content/example.com/index.gmi

@@ -0,0 +1,2 @@
+This is example.com.
+=> gemini://example.org

tests/data/content/example.org/index.gmi

@@ -0,0 +1,2 @@
+This is example.org.
+=> gemini://example.com/

tests/data/content/index.gmi

@@ -0,0 +1 @@
+This is a test index file.

tests/data/content/test.gmi

@@ -0,0 +1,2 @@
+This is a test in the root
+Suppe

tests/data/content/testdir/.meta

@@ -0,0 +1,2 @@
+# test distributed configurations
+index.gmi: 51 No index file for you.

tests/data/key.rsa

@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQD7f6oYIWWsoyrI
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+tPwNvAOh6tUMmDlbRt+xdpFmU238jA==
+-----END PRIVATE KEY-----

tests/tests.rs

@@ -0,0 +1,82 @@
+use gemini_fetch::{Header, Page, Status};
+use std::io::Read;
+use std::net::{SocketAddr, ToSocketAddrs};
+use std::process::{Command, Stdio};
+use url::Url;
+
+static BINARY_PATH: &'static str = env!("CARGO_BIN_EXE_agate");
+
+fn addr() -> SocketAddr {
+    "[::1]:1965".to_socket_addrs().unwrap().next().unwrap()
+}
+
+fn get(args: &[&str], url: &str) -> Result<Page, anyhow::Error> {
+    // start the server
+    let mut server = Command::new(BINARY_PATH)
+        .stderr(Stdio::piped())
+        .current_dir(concat!(env!("CARGO_MANIFEST_DIR"), "/tests/data"))
+        .args(args)
+        .spawn()
+        .expect("failed to start binary");
+
+    // the first output is when Agate is listening, so we only have to wait
+    // until the first byte is output
+    let mut buffer = [0; 1];
+    server
+        .stderr
+        .as_mut()
+        .unwrap()
+        .read_exact(&mut buffer)
+        .unwrap();
+
+    // actually perform the request
+    let page = tokio::runtime::Runtime::new()
+        .unwrap()
+        .block_on(async { Page::fetch_from(&Url::parse(url).unwrap(), addr(), None).await });
+
+    // try to stop the server again
+    match server.try_wait() {
+        Err(e) => panic!("cannot access orchestrated program: {:?}", e),
+        // everything fine, still running as expected, kill it now
+        Ok(None) => server.kill().unwrap(),
+        Ok(Some(_)) => {
+            // forward stderr so we have a chance to understand the problem
+            let buffer = std::iter::once(Ok(buffer[0]))
+                .chain(server.stderr.take().unwrap().bytes())
+                .collect::<Result<Vec<u8>, _>>()
+                .unwrap();
+
+            eprintln!("{}", String::from_utf8_lossy(&buffer));
+            // make the test fail
+            panic!("program had crashed");
+        }
+    }
+
+    page
+}
+
+#[test]
+fn index_page() {
+    let page = get(&[], "gemini://localhost").expect("could not get page");
+
+    assert_eq!(
+        page.header,
+        Header {
+            status: Status::Success,
+            meta: "text/gemini".to_string(),
+        }
+    );
+
+    assert_eq!(
+        page.body,
+        Some(
+            std::fs::read_to_string(concat!(
+                env!("CARGO_MANIFEST_DIR"),
+                "/tests/data/content/index.gmi"
+            ))
+            .unwrap()
+        )
+    );
+
+    println!("{:?}", page);
+}