Add tests

.github/workflows/check.yml

@@ -32,14 +32,29 @@ jobs:
             - name: Check
               run: cargo check --all
 
+            - name: Format
+              run: cargo fmt --all --check
+
             - name: Build
               run: cargo build --all --verbose
 
-            - name: Format
-              run: cargo fmt --all --check
+            - name: Docs
+              run: cargo doc --all --verbose
 
             - name: Lint
               run: cargo clippy --all -- -D warnings
 
             - name: Tests
-              run: cargo test --all --verbose
+              run: |
+                # Full tests for Linux only, due to requirement of running local API hosted through docker
+                if [ "$RUNNER_OS" == "Linux" ]; then
+                  docker compose up -d --wait
+                  # Wait for Frankfurter container to fetch data
+                  sleep 60
+                  cargo test --all --verbose
+                  docker compose down
+                else
+                  cargo test --package lib_frankfurter --lib
+                  cargo test --package frankfurter_cli --bin frs
+                fi
+              shell: bash

.github/workflows/msrv.yml

@@ -0,0 +1,30 @@
+on:
+  workflow_dispatch:
+  push:
+      branches: ["main"]
+  pull_request:
+      branches: ["main"]
+
+name: MSRV check
+
+jobs:
+  msrv_check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install stable toolchain
+      run: rustup toolchain install stable
+
+    - name: Install Cargo MSRV
+      uses: actions-rs/[email protected]
+      with:
+        crate: cargo-msrv
+        version: latest
+        use-tool-cache: true
+
+    - name: Verify minimum Rust version for the library and CLI
+      run: |
+        cargo msrv verify --path ./lib
+        cargo msrv verify --path ./cli
+

cli/Cargo.toml

@@ -26,3 +26,7 @@ termcolor = { version = "1.4.1" }
 is-terminal = { version = "0.4.13" }
 comfy-table = "7.1.1"
 anyhow = "1.0.91"
+
+[dev-dependencies]
+assert_cmd = "2.0.16"
+predicates = "3.1.2"

cli/src/cli/mod.rs

@@ -1,4 +1,4 @@
-use std::{env::var, io::Write};
+use std::{env::var, io::Write, process::exit};
 
 use clap::{Parser, Subcommand};
 use enum_dispatch::enum_dispatch;
@@ -110,6 +110,7 @@ impl Cli {
             }
 
             writeln!(&mut stderr, "Error: {e}").expect("Failed to write to stderr");
+            exit(1);
         }
     }
 }

cli/src/cli/utils.rs

@@ -10,3 +10,41 @@ pub fn if_supports_colour(
         comfy_table::Color::Reset
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use comfy_table::Color;
+    use termcolor::{ColorChoice, StandardStream};
+
+    use super::*;
+
+    #[test]
+    fn test_if_supports_colour() {
+        let get_stream = StandardStream::stdout;
+
+        assert_eq!(
+            comfy_table::Color::Reset,
+            if_supports_colour(&get_stream(ColorChoice::Never), Color::Red)
+        );
+        assert_eq!(
+            comfy_table::Color::Reset,
+            if_supports_colour(&get_stream(ColorChoice::Never), Color::Cyan)
+        );
+
+        assert_eq!(
+            comfy_table::Color::Green,
+            if_supports_colour(&get_stream(ColorChoice::Always), Color::Green)
+        );
+        assert_eq!(
+            comfy_table::Color::Black,
+            if_supports_colour(&get_stream(ColorChoice::AlwaysAnsi), Color::Black)
+        );
+
+        assert_eq!(
+            comfy_table::Color::Reset,
+            if_supports_colour(&get_stream(ColorChoice::Always), Color::Reset)
+        );
+
+        // NOTE: No test for `ColorChoice::Auto` - not sure how that would react in a CI environment
+    }
+}