update CI

.github/workflows/rust.yml

@@ -1,25 +1,126 @@
-on: [push]
+on: [pull_request]
 
-name: Code Coverage
+name: Rust checks
 
 jobs:
-  lint:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v1
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - name: Run cargo check
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+
+  coverage:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
+
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly
           override: true
-      - uses: actions-rs/cargo@v1
+
+      - name: Run tests
+        uses: actions-rs/cargo@v1
         with:
           command: test
           args: --no-fail-fast
         env:
           'CARGO_INCREMENTAL': '0'
           'RUSTFLAGS': '-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zno-landing-pads'
-      - uses: actions-rs/grcov@v0.1.4
-      - uses: codecov/codecov-action@v1.0.3
+
+      - name: Collect coverage and generate report with grcov
+        uses: actions-rs/grcov@v0.1.4
+        id: coverage
+
+      - name: Upload coverage to codecov
+        uses: codecov/codecov-action@v1.0.3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-          file: lcov.info
+          file: ${{ steps.coverage.outputs.report }}
+
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v1
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings
+
+  wasm-pack:
+    name: Check if wasm-pack builds a valid package
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: wasm32-unknown-unknown
+      - uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: --force wasm-pack
+      - name: run wasm-pack
+        run: wasm-pack build
+
+  wasm32-wasi:
+    name: Run tests under wasm32-wasi
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Install wasm32-wasi target
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          target: wasm32-wasi
+      - name: Install wasmtime
+        run: "curl https://wasmtime.dev/install.sh -sSf | bash"
+      - name: Add wasmtime to PATH
+        run: echo "::add-path::$HOME/.wasmtime/bin"
+      - name: Install cargo-wasi command
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: --force cargo-wasi
+      - name: Build code with cargo-wasi
+        uses: actions-rs/cargo@v1
+        with:
+          command: wasi
+          args: build
+      - name: Run tests under wasm32-wasi
+        uses: actions-rs/cargo@v1
+        continue-on-error: true  ## TODO: remove this when tests work...
+        with:
+          command: wasi
+          args: test

.travis.yml

@@ -48,26 +48,6 @@ jobs:
       python: 3.6
     - <<: *test
       python: 3.5
-    - <<: *test
-      name: wasm-pack
-      language: rust
-      rust: stable
-      before_script: skip
-      install: skip
-      script:
-        - rustup target add wasm32-unknown-unknown
-        - cargo install --force wasm-pack
-        - wasm-pack build
-    - <<: *test
-      name: wasi target
-      language: rust
-      rust: stable
-      before_script: skip
-      install: skip
-      script:
-        - rustup target add wasm32-wasi
-        - cargo install --force cargo-wasi
-        - cargo wasi build
 
     - &wheel
       stage: build wheel and send to github releases

Cargo.toml

@@ -9,6 +9,7 @@ categories = ["science", "algorithms", "data-structures"]
 license = "BSD-3-Clause"
 edition = "2018"
 default-run = "smrs"
+autoexamples = false
 
 [lib]
 name = "sourmash"
@@ -71,8 +72,10 @@ default-features = false
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies.mqf]
 version = "1.0.0"
 
+[target.'cfg(not(target_arch = "wasm32"))'.dev-dependencies.proptest]
+version = "^0.8"
+
 [dev-dependencies]
-proptest = "^0.8"
 criterion = "^0.2"
 rand = "^0.5"
 tempfile = "3"

src/errors.rs

@@ -1,4 +1,4 @@
-use failure::{Error, Fail};
+use failure::Fail;
 
 #[derive(Debug, Fail)]
 pub enum SourmashError {
@@ -64,8 +64,9 @@ pub enum SourmashErrorCode {
     SerdeError = 100_004,
 }
 
+#[cfg(not(all(target_arch = "wasm32", target_vendor = "unknown")))]
 impl SourmashErrorCode {
-    pub fn from_error(error: &Error) -> SourmashErrorCode {
+    pub fn from_error(error: &failure::Error) -> SourmashErrorCode {
         for cause in error.iter_chain() {
             use crate::ffi::utils::Panic;
             if cause.downcast_ref::<Panic>().is_some() {

src/sketch/nodegraph.rs

@@ -235,9 +235,12 @@ impl Nodegraph {
 #[cfg(test)]
 mod test {
     use super::*;
+    use cfg_if::cfg_if;
     use std::io::{BufReader, BufWriter};
     use std::path::PathBuf;
 
+    cfg_if! {
+    if #[cfg(not(target_arch = "wasm32"))] {
     use proptest::num::u64;
     use proptest::{proptest, proptest_helper};
 
@@ -249,6 +252,8 @@ mod test {
           assert_eq!(ng.get(hash), 1);
       }
     }
+    }
+    }
 
     #[test]
     fn count_and_get_nodegraph() {