Add wasm target smoke test

tests/Sanity/rust-wasm-smoke-test/Makefile

@@ -0,0 +1,64 @@
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Makefile of /tools/rust/Sanity/rust-wasm-smoke-test
+#   Description: Test that the rust wasm target is enabled and can compile correctly
+#   Author: Jesus Checa <jcheca@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2021 Red Hat, Inc.
+#
+#   This program is free software: you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation, either version 2 of
+#   the License, or (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+#   PURPOSE.  See the GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program. If not, see http://www.gnu.org/licenses/.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+export TEST=/tools/rust/Sanity/rust-wasm-smoke-test
+export TESTVERSION=1.0
+
+BUILT_FILES=
+
+FILES=$(METADATA) runtest.sh Makefile PURPOSE lib.rs test.js
+
+.PHONY: all install download clean
+
+run: $(FILES) build
+	./runtest.sh
+
+build: $(BUILT_FILES)
+	test -x runtest.sh || chmod a+x runtest.sh
+
+clean:
+	rm -f *~ $(BUILT_FILES)
+
+
+include /usr/share/rhts/lib/rhts-make.include
+
+$(METADATA): Makefile
+	@echo "Owner:           Jesus Checa <jcheca@redhat.com>" > $(METADATA)
+	@echo "Name:            $(TEST)" >> $(METADATA)
+	@echo "TestVersion:     $(TESTVERSION)" >> $(METADATA)
+	@echo "Path:            $(TEST_DIR)" >> $(METADATA)
+	@echo "Description:     Test that the rust wasm target is enabled and can compile correctly" >> $(METADATA)
+	@echo "Type:            Sanity" >> $(METADATA)
+	@echo "TestTime:        5m" >> $(METADATA)
+	@echo "RunFor:          rust" >> $(METADATA)
+	@echo "Requires:        rust rust-std-static-wasm32-unknown-unknown nodejs" >> $(METADATA)
+	@echo "Priority:        Normal" >> $(METADATA)
+	@echo "License:         GPLv2+" >> $(METADATA)
+	@echo "Confidential:    no" >> $(METADATA)
+	@echo "Destructive:     no" >> $(METADATA)
+	@echo "Releases:        -RHEL4 -RHELClient5 -RHELServer5 -RHEL7" >> $(METADATA)
+	@echo "Architectures:   aarch64 ppc64le x86_64" >> $(METADATA)
+
+	rhts-lint $(METADATA)

tests/Sanity/rust-wasm-smoke-test/PURPOSE

@@ -0,0 +1,3 @@
+PURPOSE of /tools/rust/Sanity/rust-wasm-smoke-test
+Description: Test that the rust wasm target is enabled and can compile correctly
+Author: Jesus Checa <jcheca@redhat.com>

tests/Sanity/rust-wasm-smoke-test/lib.rs

@@ -0,0 +1,12 @@
+#[no_mangle]
+pub fn fib(index: u32) -> u32 {
+    let mut nminus2;
+    let mut nminus1 = 1;
+    let mut n = 0;
+    for _ in 0..index {
+        nminus2 = nminus1;
+        nminus1 = n;
+        n = nminus2 + nminus1;
+    }
+    n
+}

tests/Sanity/rust-wasm-smoke-test/main.fmf

@@ -0,0 +1,15 @@
+summary: Test that the rust wasm target is enabled and can compile correctly
+description: ''
+contact:
+  - Jesus Checa <jcheca@redhat.com>
+component:
+  - rust
+test: ./runtest.sh
+framework: beakerlib
+recommend:
+  - rust
+  - rust-std-static-wasm32-unknown-unknown
+  - nodejs
+duration: 5m
+extra-summary: /tools/rust/Sanity/rust-wasm-smoke-test
+extra-task: /tools/rust/Sanity/rust-wasm-smoke-test

tests/Sanity/rust-wasm-smoke-test/runtest.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   runtest.sh of /tools/rust/Sanity/rust-wasm-smoke-test
+#   Description: Test that the rust wasm target is enabled and can compile correctly
+#   Author: Jesus Checa <jcheca@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2021 Red Hat, Inc.
+#
+#   This program is free software: you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation, either version 2 of
+#   the License, or (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+#   PURPOSE.  See the GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program. If not, see http://www.gnu.org/licenses/.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# Include Beaker environment
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGES="$(rpm -qf $(which rustc)) rust-std-static-wasm32-unknown-unknown"
+
+rlJournalStart
+    rlPhaseStartSetup
+        rlAssertRpm --all
+        rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
+        rlRun "cp lib.rs $TmpDir"
+        rlRun "cp test.js $TmpDir"
+        rlRun "pushd $TmpDir"
+    rlPhaseEnd
+
+    rlPhaseStartTest
+        rlRun "rustc --target wasm32-unknown-unknown --crate-type=cdylib lib.rs -o fib.wasm" 0 "Building WASM binary"
+        rlRun "node test.js" 0 "Testing WASM binary"
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "popd"
+        rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
+    rlPhaseEnd
+rlJournalPrintText
+rlJournalEnd
+

tests/Sanity/rust-wasm-smoke-test/test.js

@@ -0,0 +1,28 @@
+function js_fibonacci(index) {
+    let nminus2 = 0;
+    let nminus1 = 1;
+    let n = 0;
+    for(let i = 0; i < index; ++i) {
+        nminus2 = nminus1;
+        nminus1 = n;
+        n = nminus1 + nminus2;
+    }
+    return n;
+}
+
+const fs = require('fs');
+const buf = fs.readFileSync('./fib.wasm');
+const lib = WebAssembly.instantiate(new Uint8Array(buf)).
+    then(res => {
+        var fib = res.instance.exports.fib;
+        for (var i=1; i<=10; i++) {
+            if(fib(i) != js_fibonacci(i)){
+                console.log("Mismatch between wasm and JS functions");
+                process.exit(1);
+            }
+        }
+    }).catch(e => {
+        console.log(e);
+        process.exit(1);
+    }
+);