Test for curweather.go

curweather_test.go

@@ -0,0 +1,160 @@
+// SPDX-FileCopyrightText: 2023 Winni Neessen <wn@neessen.dev>
+//
+// SPDX-License-Identifier: MIT
+
+package meteologix
+
+import (
+	"fmt"
+	"math"
+	"testing"
+	"time"
+)
+
+func TestClient_CurrentWeatherByCoordinates_Mock(t *testing.T) {
+	tt := []struct {
+		// Latitude
+		lat float64
+		// Longitude
+		lon float64
+		// us
+		us string
+	}{
+		{50.9833, 6.9833, "metric"},
+	}
+	c := New(withMockAPI())
+	if c == nil {
+		t.Errorf("failed to create new Client, got nil")
+		return
+	}
+	for _, tc := range tt {
+		t.Run(fmt.Sprintf("%.3f/%.3f", tc.lat, tc.lon), func(t *testing.T) {
+			cw, err := c.CurrentWeatherByCoordinates(tc.lat, tc.lon)
+			if err != nil {
+				t.Errorf("CurrentWeatherByCoordinates failed: %s", err)
+				return
+			}
+			if cw.Latitude != tc.lat {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected latitude: %f, got: %f", tc.lat,
+					cw.Latitude)
+			}
+			if cw.Longitude != tc.lon {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected longitude: %f, got: %f", tc.lon,
+					cw.Longitude)
+			}
+			if cw.UnitSystem != tc.us {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected unit system: %s, got: %s", tc.us,
+					cw.UnitSystem)
+			}
+		})
+	}
+}
+
+func TestClient_CurrentWeatherByLocation(t *testing.T) {
+	tt := []struct {
+		// Location string
+		loc string
+		// Latitude
+		lat float64
+		// Longitude
+		lon float64
+		// us
+		us string
+	}{
+		{"Ehrenfeld, Germany", 50.9833, 6.9833, "metric"},
+	}
+	c := New(withMockAPI())
+	if c == nil {
+		t.Errorf("failed to create new Client, got nil")
+		return
+	}
+	for _, tc := range tt {
+		t.Run(tc.loc, func(t *testing.T) {
+			cw, err := c.CurrentWeatherByLocation(tc.loc)
+			if err != nil {
+				t.Errorf("CurrentWeatherByCoordinates failed: %s", err)
+				return
+			}
+			if cw.Latitude != tc.lat {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected latitude: %f, got: %f", tc.lat,
+					cw.Latitude)
+			}
+			if cw.Longitude != tc.lon {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected longitude: %f, got: %f", tc.lon,
+					cw.Longitude)
+			}
+			if cw.UnitSystem != tc.us {
+				t.Errorf("CurrentWeatherByCoordinates failed, expected unit system: %s, got: %s", tc.us,
+					cw.UnitSystem)
+			}
+		})
+	}
+}
+
+func TestClient_CurrentWeatherByLocation_Fail(t *testing.T) {
+	c := New(withMockAPI())
+	if c == nil {
+		t.Errorf("failed to create new Client, got nil")
+		return
+	}
+	_, err := c.CurrentWeatherByLocation("Timbucktu, Atlantis")
+	if err == nil {
+		t.Errorf("CurrentWeatherByCoordinates was supposed to fail, but didn't")
+	}
+}
+
+func TestClient_CurrentWeatherByLocation_Temperature(t *testing.T) {
+	tt := []struct {
+		// Location name
+		loc string
+		// Observation dewpoint
+		t *Temperature
+	}{
+		{"Ehrenfeld, Germany", &Temperature{
+			dt: time.Date(2023, 5, 23, 7, 0, 0, 0, time.Local),
+			s:  SourceObservation,
+			v:  14.6,
+		}},
+		{"Berlin, Germany", &Temperature{
+			dt: time.Date(2023, 5, 23, 7, 0, 0, 0, time.Local),
+			s:  SourceAnalysis,
+			v:  17.8,
+		}},
+	}
+	c := New(withMockAPI())
+	if c == nil {
+		t.Errorf("failed to create new Client, got nil")
+		return
+	}
+	for _, tc := range tt {
+		t.Run(tc.loc, func(t *testing.T) {
+			o, err := c.CurrentWeatherByLocation(tc.loc)
+			if err != nil {
+				t.Errorf("CurrentWeatherByLocation failed: %s", err)
+				return
+			}
+			if tc.t != nil && tc.t.String() != o.Temperature().String() {
+				t.Errorf("CurrentWeatherByLocation failed, expected temperature "+
+					"string: %s, got: %s", tc.t.String(), o.Temperature())
+			}
+			if tc.t != nil && tc.t.Value() != o.Temperature().Value() {
+				t.Errorf("CurrentWeatherByLocation failed, expected temperature "+
+					"float: %f, got: %f", tc.t.Value(), o.Temperature().Value())
+			}
+			if o.Temperature().Source() != tc.t.s {
+				t.Errorf("CurrentWeatherByLocation failed, expected source: %s, but got: %s",
+					tc.t.s, o.Temperature().Source())
+			}
+			if tc.t == nil {
+				if o.Temperature().IsAvailable() {
+					t.Errorf("CurrentWeatherByLocation failed, expected temperature "+
+						"to have no data, but got: %s", o.Temperature())
+				}
+				if !math.IsNaN(o.Temperature().Value()) {
+					t.Errorf("CurrentWeatherByLocation failed, expected temperature "+
+						"to return NaN, but got: %s", o.Temperature().String())
+				}
+			}
+		})
+	}
+}