Add fuzzing test for sailfish-compiler

cc #26

fuzzing-tests/Cargo.lock

@@ -66,6 +66,7 @@ version = "0.1.3"
 dependencies = [
  "afl",
  "sailfish",
+ "sailfish-compiler",
 ]
 
 [[package]]
@@ -89,6 +90,36 @@ version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+
+[[package]]
+name = "memchr"
+version = "2.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -113,6 +144,17 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "sailfish-compiler"
+version = "0.1.3"
+dependencies = [
+ "memchr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "yaml-rust",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -134,6 +176,17 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
+[[package]]
+name = "syn"
+version = "1.0.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.11.0"
@@ -149,6 +202,12 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
+[[package]]
+name = "unicode-xid"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -188,3 +247,12 @@ name = "xdg"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
+
+[[package]]
+name = "yaml-rust"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39f0c922f1a334134dc2f7a8b67dc5d25f0735263feec974345ff706bcf20b0d"
+dependencies = [
+ "linked-hash-map",
+]

fuzzing-tests/Cargo.toml

@@ -10,3 +10,4 @@ publish = false
 [dependencies]
 afl = "0.8.0"
 sailfish = { path = "../sailfish" }
+sailfish-compiler = { path = "../sailfish-compiler" }

fuzzing-tests/in/compiler/compiler1

@@ -0,0 +1 @@
+<h1><%= message %></h1>

fuzzing-tests/in/compiler/compiler2

@@ -0,0 +1,9 @@
+<table>
+<% for i in 1..=9 %>
+  <tr>
+  <% for j in 1..=9 %>
+    <td><%= i * j %></td>
+  <% } %>
+  </td>
+<% } %>
+</table>

fuzzing-tests/src/bin/compiler.rs

@@ -0,0 +1,14 @@
+#[macro_use]
+extern crate afl;
+
+use sailfish_compiler::Compiler;
+
+fn main() {
+    fuzz!(|data: &[u8]| {
+        // HTML escaping
+        if let Ok(feed) = std::str::from_utf8(data) {
+            let compiler = Compiler::default();
+            let _ = compiler.compile_str(feed);
+        }
+    });
+}