refactor(test): migrate some tests to .expect() APIs

Author: rami3l

tests/suite/cli_exact.rs

@@ -7,6 +7,7 @@ use rustup::test::{
     CROSS_ARCH1, CROSS_ARCH2, CliTestContext, MULTI_ARCH1, Scenario, this_host_triple,
 };
 use rustup::utils::raw;
+use snapbox::str;
 
 #[tokio::test]
 async fn update_once() {
@@ -309,23 +310,21 @@ info: default toolchain set to 'nightly-{0}'
 
 #[tokio::test]
 async fn override_again() {
-    let mut cx = CliTestContext::new(Scenario::SimpleV2).await;
-    let cwd = cx.config.current_dir();
+    let cx = &CliTestContext::new(Scenario::SimpleV2).await;
     cx.config
-        .expect_ok(&["rustup", "override", "add", "nightly"])
-        .await;
+        .expect(["rustup", "override", "add", "nightly"])
+        .await
+        .is_ok();
     cx.config
-        .expect_ok_ex(
-            &["rustup", "override", "add", "nightly"],
-            "",
-            &format!(
-                r"info: override toolchain for '{}' set to 'nightly-{1}'
-",
-                cwd.display(),
-                &this_host_triple()
-            ),
-        )
-        .await;
+        .expect(["rustup", "override", "add", "nightly"])
+        .await
+        .extend_redactions([("[CWD]", cx.config.current_dir().display().to_string())])
+        .is_ok()
+        .with_stdout("")
+        .with_stderr(str![[r#"
+info: override toolchain for '[CWD]' set to 'nightly-[HOST_TRIPLE]'
+
+"#]]);
 }
 
 #[tokio::test]

tests/suite/cli_misc.rs

@@ -12,6 +12,7 @@ use rustup::test::{
 };
 use rustup::utils;
 use rustup::utils::raw::symlink_dir;
+use snapbox::str;
 
 #[tokio::test]
 async fn smoke_test() {
@@ -114,16 +115,15 @@ async fn custom_invalid_names_with_archive_dates() {
 async fn update_all_no_update_whitespace() {
     let cx = CliTestContext::new(Scenario::SimpleV2).await;
     cx.config
-        .expect_stdout_ok(
-            &["rustup", "update", "nightly"],
-            for_host!(
-                r"
-  nightly-{} installed - 1.3.0 (hash-nightly-2)
+        .expect(["rustup", "update", "nightly"])
+        .await
+        .is_ok()
+        .with_stdout(str![[r#"
 
-"
-            ),
-        )
-        .await;
+  nightly-[HOST_TRIPLE] installed - 1.3.0 (hash-nightly-2)
+
+
+"#]]);
 }
 
 // Issue #145

tests/suite/cli_self_upd.rs

@@ -21,6 +21,7 @@ use rustup::test::{
 use rustup::test::{RegistryGuard, RegistryValueId, USER_PATH};
 use rustup::utils::{self, raw};
 use rustup::{DUP_TOOLS, TOOLS, for_host};
+use snapbox::str;
 #[cfg(windows)]
 use windows_registry::Value;
 
@@ -388,26 +389,32 @@ info: downloading self-update
 
 #[tokio::test]
 async fn update_precise() {
-    let version = env!("CARGO_PKG_VERSION");
-    let expected_output = format!(
-        "info: checking for self-update
-info: `RUSTUP_VERSION` has been set to `{TEST_VERSION}`
-info: downloading self-update
-"
-    );
-
-    let mut cx = SelfUpdateTestContext::new(TEST_VERSION).await;
+    let cx = SelfUpdateTestContext::new(TEST_VERSION).await;
     cx.config
-        .expect_ok(&["rustup-init", "-y", "--no-modify-path"])
-        .await;
+        .expect(["rustup-init", "-y", "--no-modify-path"])
+        .await
+        .is_ok();
     cx.config
-        .expect_ok_ex_env(
-            &["rustup", "self", "update"],
-            &[("RUSTUP_VERSION", TEST_VERSION)],
-            &format!("  rustup updated - {version} (from {version})\n\n",),
-            &expected_output,
+        .expect_with_env(
+            ["rustup", "self", "update"],
+            [("RUSTUP_VERSION", TEST_VERSION)],
         )
-        .await;
+        .await
+        .extend_redactions([
+            ("[TEST_VERSION]", TEST_VERSION),
+            ("[VERSION]", env!("CARGO_PKG_VERSION")),
+        ])
+        .with_stdout(str![[r#"
+  rustup updated - [VERSION] (from [VERSION])
+
+
+"#]])
+        .with_stderr(str![[r#"
+info: checking for self-update
+info: `RUSTUP_VERSION` has been set to `[TEST_VERSION]`
+info: downloading self-update
+
+"#]]);
 }
 
 #[cfg(windows)]

tests/suite/cli_v1.rs

@@ -6,16 +6,20 @@ use std::fs;
 
 use rustup::for_host;
 use rustup::test::{CliTestContext, Scenario};
+use snapbox::str;
 
 #[tokio::test]
 async fn rustc_no_default_toolchain() {
     let cx = CliTestContext::new(Scenario::SimpleV1).await;
     cx.config
-        .expect_err(
-            &["rustc"],
-            "rustup could not choose a version of rustc to run",
-        )
-        .await;
+        .expect(["rustc"])
+        .await
+        .is_err()
+        .with_stderr(str![[r#"
+error: rustup could not choose a version of rustc to run, because one wasn't specified explicitly, and no default is configured.
+help: run 'rustup default stable' to download the latest stable release of Rust and set it as your default toolchain.
+
+"#]]);
 }
 
 #[tokio::test]