feat: camper van energy monitoring widget for Plasma 6main

Pure QML KPackage widget with Rust background service for real-time
Victron energy system monitoring via MQTT and D-Bus.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2 files changed, 167 insertions, 0 deletions

diff --git a/tests/qml/tst_icon_utils.qml b/tests/qml/tst_icon_utils.qml
new file mode 100644
index 0000000..4b0b67b
--- /dev/null
+++ b/tests/qml/tst_icon_utils.qml
@@ -0,0 +1,91 @@
+import QtQuick 6.0
+import QtTest 1.0
+import "../../package/contents/ui" as Ui
+
+TestCase {
+    name: "IconUtils"
+
+    Ui.IconUtils { id: icons }
+
+    // getBatteryIcon — boundary and edge cases
+    function test_battery_undefined() {
+        compare(icons.getBatteryIcon(undefined), "\uf244")
+    }
+
+    function test_battery_null() {
+        compare(icons.getBatteryIcon(null), "\uf244")
+    }
+
+    function test_battery_negative() {
+        compare(icons.getBatteryIcon(-1), "\uf244")
+    }
+
+    function test_battery_zero() {
+        compare(icons.getBatteryIcon(0), "\uf244")
+    }
+
+    function test_battery_low_boundary() {
+        compare(icons.getBatteryIcon(20), "\uf244")
+    }
+
+    function test_battery_quarter() {
+        compare(icons.getBatteryIcon(21), "\uf243")
+    }
+
+    function test_battery_quarter_boundary() {
+        compare(icons.getBatteryIcon(40), "\uf243")
+    }
+
+    function test_battery_half() {
+        compare(icons.getBatteryIcon(41), "\uf242")
+    }
+
+    function test_battery_half_boundary() {
+        compare(icons.getBatteryIcon(60), "\uf242")
+    }
+
+    function test_battery_three_quarter() {
+        compare(icons.getBatteryIcon(61), "\uf241")
+    }
+
+    function test_battery_three_quarter_boundary() {
+        compare(icons.getBatteryIcon(80), "\uf241")
+    }
+
+    function test_battery_full() {
+        compare(icons.getBatteryIcon(81), "\uf240")
+    }
+
+    function test_battery_full_100() {
+        compare(icons.getBatteryIcon(100), "\uf240")
+    }
+
+    // getDirectionIcon — all states
+    function test_direction_charge() {
+        compare(icons.getDirectionIcon("charge"), "\uf185")
+    }
+
+    function test_direction_discharge() {
+        compare(icons.getDirectionIcon("discharge"), "\uf0e7")
+    }
+
+    function test_direction_idle() {
+        compare(icons.getDirectionIcon("idle"), "\uf186")
+    }
+
+    function test_direction_unknown() {
+        compare(icons.getDirectionIcon("bogus"), "")
+    }
+
+    function test_direction_empty() {
+        compare(icons.getDirectionIcon(""), "")
+    }
+
+    function test_direction_null() {
+        compare(icons.getDirectionIcon(null), "")
+    }
+
+    function test_direction_undefined() {
+        compare(icons.getDirectionIcon(undefined), "")
+    }
+}
diff --git a/tests/qml/tst_value_formatting.qml b/tests/qml/tst_value_formatting.qml
new file mode 100644
index 0000000..78d39dc
--- /dev/null
+++ b/tests/qml/tst_value_formatting.qml
@@ -0,0 +1,76 @@
+import QtQuick 6.0
+import QtTest 1.0
+import "../../package/contents/ui" as Ui
+
+TestCase {
+    name: "ValueFormatting"
+
+    Ui.FormatUtils { id: fmt }
+
+    // formatSoc
+    function test_soc_normal() {
+        compare(fmt.formatSoc(75.3), "75%")
+    }
+
+    function test_soc_zero() {
+        compare(fmt.formatSoc(0), "0%")
+    }
+
+    function test_soc_full() {
+        compare(fmt.formatSoc(100), "100%")
+    }
+
+    function test_soc_rounds_up() {
+        compare(fmt.formatSoc(49.6), "50%")
+    }
+
+    function test_soc_negative() {
+        compare(fmt.formatSoc(-1), "--")
+    }
+
+    function test_soc_undefined() {
+        compare(fmt.formatSoc(undefined), "--")
+    }
+
+    function test_soc_null() {
+        compare(fmt.formatSoc(null), "--")
+    }
+
+    function test_soc_nan() {
+        compare(fmt.formatSoc(NaN), "--")
+    }
+
+    // formatPower
+    function test_power_connected() {
+        compare(fmt.formatPower(true, 123.7), "124W")
+    }
+
+    function test_power_connected_zero() {
+        compare(fmt.formatPower(true, 0), "0W")
+    }
+
+    function test_power_disconnected() {
+        compare(fmt.formatPower(false, 50), "--")
+    }
+
+    // formatSolar
+    function test_solar_normal() {
+        compare(fmt.formatSolar(200.4), "200W")
+    }
+
+    function test_solar_zero() {
+        compare(fmt.formatSolar(0), "0W")
+    }
+
+    function test_solar_negative() {
+        compare(fmt.formatSolar(-1), "--")
+    }
+
+    function test_solar_undefined() {
+        compare(fmt.formatSolar(undefined), "--")
+    }
+
+    function test_solar_nan() {
+        compare(fmt.formatSolar(NaN), "--")
+    }
+}