Adding in unit tests for --quiet and --log-level

tests/all/log_level.rs

@@ -0,0 +1,91 @@
+use assert_cmd::prelude::*;
+use predicates::boolean::PredicateBooleanExt;
+use predicates::prelude::predicate::str::contains;
+use predicates::reflection::PredicateReflection;
+use predicates::Predicate;
+use utils;
+
+fn matches_info() -> impl Predicate<str> + PredicateReflection {
+    contains("[INFO]: Checking for the Wasm target...")
+        .and(contains("[INFO]: Compiling to Wasm..."))
+        .and(contains("[INFO]: License key is set in Cargo.toml but no LICENSE file(s) were found; Please add the LICENSE file(s) to your project directory"))
+        .and(contains("[INFO]: Installing wasm-bindgen..."))
+        .and(contains("[INFO]: Optimizing wasm binaries with `wasm-opt`..."))
+        .and(contains("[INFO]: :-) Done in "))
+        .and(contains("[INFO]: :-) Your wasm pkg is ready to publish at "))
+}
+
+fn matches_warn() -> impl Predicate<str> + PredicateReflection {
+    contains(":-) [WARN]: origin crate has no README")
+}
+
+fn matches_cargo() -> impl Predicate<str> + PredicateReflection {
+    contains("Finished release [optimized] target(s) in ")
+}
+
+#[test]
+fn quiet() {
+    utils::fixture::Fixture::new()
+        .cargo_toml("js-hello-world")
+        .hello_world_src_lib()
+        .wasm_pack()
+        .arg("--quiet")
+        .arg("build")
+        .assert()
+        .success()
+        .stdout("")
+        .stderr("");
+}
+
+#[test]
+fn log_level_info() {
+    utils::fixture::Fixture::new()
+        .cargo_toml("js-hello-world")
+        .hello_world_src_lib()
+        .wasm_pack()
+        .arg("--log-level")
+        .arg("info")
+        .arg("build")
+        .assert()
+        .success()
+        .stdout("")
+        .stderr(matches_cargo().and(matches_warn()).and(matches_info()));
+}
+
+#[test]
+fn log_level_warn() {
+    utils::fixture::Fixture::new()
+        .cargo_toml("js-hello-world")
+        .hello_world_src_lib()
+        .wasm_pack()
+        .arg("--log-level")
+        .arg("warn")
+        .arg("build")
+        .assert()
+        .success()
+        .stdout("")
+        .stderr(
+            matches_cargo()
+                .and(matches_warn())
+                .and(matches_info().not()),
+        );
+}
+
+#[test]
+fn log_level_error() {
+    utils::fixture::Fixture::new()
+        .cargo_toml("js-hello-world")
+        .hello_world_src_lib()
+        .wasm_pack()
+        .arg("--log-level")
+        .arg("error")
+        .arg("build")
+        .assert()
+        .success()
+        .stdout("")
+        .stderr(
+            matches_cargo()
+                .and(matches_warn().not())
+                .and(matches_info().not()),
+        );
+}

tests/all/main.rs

@@ -16,6 +16,7 @@ mod download;
 mod generate;
 mod license;
 mod lockfile;
+mod log_level;
 mod manifest;
 mod readme;
 mod test;