Reorganize tests.

 - Move spec_testsuite and misc_testsuite under the tests directory.
 - Remove some redundant tests from filetests.
 - Move wat tests to wat/tests.

.gitmodules

@@ -1,5 +1,5 @@
 [submodule "spec_testsuite"]
-	path = spec_testsuite
+	path = tests/spec_testsuite
 	url = https://github.com/WebAssembly/testsuite
 [submodule "crates/api/c-examples/wasm-c-api"]
 	path = crates/api/c-examples/wasm-c-api

README.md

@@ -20,8 +20,8 @@ for a tutorial on compiling and running programs using WASI and wasmtime, as
 well as an overview of the filesystem sandboxing system.
 
 Wasmtime passes the [WebAssembly spec testsuite]. To run it, update the
-`spec_testsuite` submodule with `git submodule update --remote`, and it will
-be run as part of `cargo test`.
+`tests/spec_testsuite` submodule with `git submodule update --remote`, and it
+will be run as part of `cargo test`.
 
 Wasmtime does not yet implement Spectre mitigations, however this is a subject
 of ongoing research.

build.rs

@@ -25,34 +25,38 @@ fn main() -> anyhow::Result<()> {
         writeln!(out, "#[allow(non_snake_case)]")?;
         writeln!(out, "mod {} {{", strategy)?;
 
-        test_directory(&mut out, "misc_testsuite", strategy)?;
-        let spec_tests = test_directory(&mut out, "spec_testsuite", strategy)?;
+        test_directory(&mut out, "tests/misc_testsuite", strategy)?;
+        let spec_tests = test_directory(&mut out, "tests/spec_testsuite", strategy)?;
         // Skip running spec_testsuite tests if the submodule isn't checked
         // out.
         if spec_tests > 0 {
             start_test_module(&mut out, "simd")?;
             write_testsuite_tests(
                 &mut out,
-                "spec_testsuite/proposals/simd/simd_address.wast",
+                "tests/spec_testsuite/proposals/simd/simd_address.wast",
                 "simd",
                 strategy,
             )?;
             write_testsuite_tests(
                 &mut out,
-                "spec_testsuite/proposals/simd/simd_align.wast",
+                "tests/spec_testsuite/proposals/simd/simd_align.wast",
                 "simd",
                 strategy,
             )?;
             write_testsuite_tests(
                 &mut out,
-                "spec_testsuite/proposals/simd/simd_const.wast",
+                "tests/spec_testsuite/proposals/simd/simd_const.wast",
                 "simd",
                 strategy,
             )?;
             finish_test_module(&mut out)?;
 
-            test_directory(&mut out, "spec_testsuite/proposals/multi-value", strategy)
-                .expect("generating tests");
+            test_directory(
+                &mut out,
+                "tests/spec_testsuite/proposals/multi-value",
+                strategy,
+            )
+            .expect("generating tests");
         } else {
             println!("cargo:warning=The spec testsuite is disabled. To enable, run `git submodule update --remote`.");
         }

scripts/test-all.sh

@@ -6,7 +6,7 @@ set -euo pipefail
 # - Check code formatting.
 # - Make a debug build.
 # - Make a release build.
-# - Run unit tests for all Rust crates (including the filetests)
+# - Run unit tests for all Rust crates
 # - Build API documentation.
 # - Optionally, run fuzzing.
 #

tests/instantiate.rs

@@ -8,7 +8,7 @@ use std::collections::HashMap;
 use std::path::PathBuf;
 use wasmtime_jit::{instantiate, CompilationStrategy, Compiler, NullResolver};
 
-const PATH_MODULE_RS2WASM_ADD_FUNC: &str = r"filetests/rs2wasm-add-func.wat";
+const PATH_MODULE_RS2WASM_ADD_FUNC: &str = r"tests/wat/rs2wasm-add-func.wat";
 
 /// Simple test reading a wasm-file and translating to binary representation.
 #[test]