Merge nucleic/sleek-thistle-egret-fyej into dev

brush-shell/tests/cases/brush/cli.yaml

@@ -0,0 +1,89 @@
+name: "CLI tests"
+cases:
+  - name: "Basic echo"
+    stdin: "echo hello world"
+    expected_exit_code: 0
+    expected_stdout: "hello world\n"
+
+  - name: "Exit code propagates"
+    stdin: "exit 42"
+    expected_exit_code: 42
+    # WASI 0.2's wasi-cli/exit interface only models success/failure, so any
+    # non-zero exit code is clamped to 1 by the host (e.g., wasmtime).
+    incompatible_platforms: ["wasi"]
+
+  - name: "Echo via args"
+    args:
+      - "-c"
+      - "echo from args"
+    expected_exit_code: 0
+    expected_stdout: "from args\n"
+
+  - name: "Version flag succeeds"
+    args:
+      - "--version"
+    expected_exit_code: 0
+    # Note: can't easily check stdout content as it varies
+
+  - name: "Help flag succeeds"
+    args:
+      - "--help"
+    expected_exit_code: 0
+
+  - name: "Invalid option fails"
+    args:
+      - "--unknown-argument-here"
+    expected_exit_code: 2
+    # Exit code 2 for argument parsing errors.
+    # WASI 0.2's wasi-cli/exit interface only models success/failure, so any
+    # non-zero exit code is clamped to 1 by the host (e.g., wasmtime).
+    incompatible_platforms: ["wasi"]
+
+  - name: "Explicit config file not found fails"
+    removed_default_args:
+      - "--no-config"
+    args:
+      - "--config"
+      - "/nonexistent/path/to/config.toml"
+      - "-c"
+      - "echo should_not_run"
+    expected_exit_code: 1
+
+  - name: "Explicit config file valid"
+    removed_default_args:
+      - "--no-config"
+    test_files:
+      - path: "config.toml"
+        contents: |
+          [ui]
+          syntax-highlighting = false
+
+          [experimental]
+          zsh-hooks = false
+    args:
+      - "--config"
+      - "config.toml"
+      - "-c"
+      - "echo config_loaded"
+    expected_exit_code: 0
+    expected_stdout: "config_loaded\n"
+
+  - name: "Config file with unknown fields succeeds"
+    removed_default_args:
+      - "--no-config"
+    test_files:
+      - path: "config.toml"
+        contents: |
+          [ui]
+          syntax-highlighting = true
+          future-setting = "ignored"
+
+          [unknown-section]
+          foo = "bar"
+    args:
+      - "--config"
+      - "config.toml"
+      - "-c"
+      - "echo forward_compat"
+    expected_exit_code: 0
+    expected_stdout: "forward_compat\n"

brush-shell/tests/cases/brush/snaps/tracing_xtrace-file_captures_trace_output.snap

@@ -0,0 +1,12 @@
+---
+source: brush-test-harness/src/runner.rs
+expression: snapshot_content
+---
+exit_code: 0
+stdout: |
+  hello
+stderr: ""
+files:
+  trace.txt: |
+    + echo hello
+    + true

brush-shell/tests/cases/brush/tracing.yaml

@@ -0,0 +1,14 @@
+name: "Tracing tests"
+cases:
+  - name: "xtrace-file captures trace output"
+    args: ["--xtrace-file", "trace.txt"]
+    stdin: |
+        echo hello
+        true
+    expected_exit_code: 0
+    snapshot: true
+    # std::fs::File::try_clone() returns "operation not supported" on
+    # wasm32-wasip2, so brush's OpenFile::clone() falls back to a failing
+    # writer and the trace file ends up empty. Affects all output redirection
+    # under wasi, not just xtrace.
+    incompatible_platforms: ["wasi"]