refactor: Update error messages w/ anyhow and thiserror (#216)

Refactoring and updating of error messages + tests to be more useful.

3 files changed, 32 insertions, 17 deletions

diff --git a/tests/arg_tests.rs b/tests/arg_tests.rs
index 134d9615..f6dac340 100644
--- a/tests/arg_tests.rs
+++ b/tests/arg_tests.rs
@@ -18,7 +18,7 @@ fn test_small_rate() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your update rate to be at least 250 milliseconds.",
+            "set your update rate to be at least 250 milliseconds.",
         ));
     Ok(())
 }
@@ -31,7 +31,7 @@ fn test_large_default_time() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your default value to be at most",
+            "set your default value to be at most",
         ));
     Ok(())
 }
@@ -44,7 +44,7 @@ fn test_small_default_time() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your default value to be at least",
+            "set your default value to be at least",
         ));
     Ok(())
 }
@@ -57,7 +57,7 @@ fn test_large_delta_time() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your time delta to be at most",
+            "set your time delta to be at most",
         ));
     Ok(())
 }
@@ -70,7 +70,7 @@ fn test_small_delta_time() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your time delta to be at least",
+            "set your time delta to be at least",
         ));
     Ok(())
 }
@@ -83,7 +83,7 @@ fn test_large_rate() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your update rate to be at most unsigned INT_MAX.",
+            "set your update rate to be at most unsigned INT_MAX.",
         ));
     Ok(())
 }
@@ -136,7 +136,7 @@ fn test_invalid_default_widget_1() -> Result<(), Box<dyn std::error::Error>> {
         .arg("fake_widget")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid widget type"));
+        .stderr(predicate::str::contains("invalid widget name"));
 
     Ok(())
 }
@@ -151,7 +151,7 @@ fn test_invalid_default_widget_2() -> Result<(), Box<dyn std::error::Error>> {
         .assert()
         .failure()
         .stderr(predicate::str::contains(
-            "Please set your widget count to be at most unsigned INT_MAX",
+            "set your widget count to be at most unsigned INT_MAX",
         ));
 
     Ok(())
diff --git a/tests/invalid_config_tests.rs b/tests/invalid_config_tests.rs
index 34b8e06e..cda6beb5 100644
--- a/tests/invalid_config_tests.rs
+++ b/tests/invalid_config_tests.rs
@@ -26,7 +26,7 @@ fn test_empty_layout() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/empty_layout.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid layout config"));
+        .stderr(predicate::str::contains("at least one widget"));
     Ok(())
 }
 
@@ -37,7 +37,7 @@ fn test_invalid_layout_widget_type() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_layout_widget_type.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid widget type"));
+        .stderr(predicate::str::contains("invalid widget name"));
     Ok(())
 }
 
@@ -62,7 +62,7 @@ fn test_invalid_colour_hex() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_hex.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid color hex"));
+        .stderr(predicate::str::contains("invalid hex colour"));
     Ok(())
 }
 
@@ -74,7 +74,7 @@ fn test_invalid_colour_hex_2() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_hex_2.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid color hex"));
+        .stderr(predicate::str::contains("invalid hex colour"));
     Ok(())
 }
 
@@ -87,7 +87,7 @@ fn test_invalid_colour_hex_3() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_hex_3.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid color hex"));
+        .stderr(predicate::str::contains("invalid hex colour"));
     Ok(())
 }
 
@@ -98,7 +98,7 @@ fn test_invalid_colour_name() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_name.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid named color"));
+        .stderr(predicate::str::contains("invalid named colour"));
     Ok(())
 }
 
@@ -109,7 +109,7 @@ fn test_invalid_colour_rgb() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_rgb.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid RGB color"));
+        .stderr(predicate::str::contains("invalid RGB"));
     Ok(())
 }
 
@@ -120,7 +120,7 @@ fn test_invalid_colour_rgb_2() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_rgb_2.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid RGB color"));
+        .stderr(predicate::str::contains("invalid RGB"));
     Ok(())
 }
 
@@ -131,6 +131,19 @@ fn test_invalid_colour_string() -> Result<(), Box<dyn std::error::Error>> {
         .arg("./tests/invalid_configs/invalid_colour_string.toml")
         .assert()
         .failure()
-        .stderr(predicate::str::contains("invalid named color"));
+        .stderr(predicate::str::contains("invalid named colour"));
+    Ok(())
+}
+
+#[test]
+fn test_empty_battery() -> Result<(), Box<dyn std::error::Error>> {
+    Command::new(get_binary_location())
+        .arg("-C")
+        .arg("./tests/invalid_configs/empty_battery.toml")
+        .assert()
+        .failure()
+        .stderr(predicate::str::contains(
+            "battery colour list must have at least one colour.",
+        ));
     Ok(())
 }
diff --git a/tests/invalid_configs/empty_battery.toml b/tests/invalid_configs/empty_battery.toml
new file mode 100644
index 00000000..651f7b58
--- /dev/null
+++ b/tests/invalid_configs/empty_battery.toml
@@ -0,0 +1,2 @@
+[colors]
+battery_colors=[]
\ No newline at end of file