2 files changed, 123 insertions, 0 deletions
diff --git a/android-app/app/src/test/kotlin/org/terst/nav/data/model/LogbookEntryTest.kt b/android-app/app/src/test/kotlin/org/terst/nav/data/model/LogbookEntryTest.kt
new file mode 100644
index 0000000..fc4580c
--- /dev/null
+++ b/android-app/app/src/test/kotlin/org/terst/nav/data/model/LogbookEntryTest.kt
@@ -0,0 +1,67 @@
+package org.terst.nav.data.model
+
+import org.junit.Assert.*
+import org.junit.Test
+
+class LogbookEntryTest {
+
+    @Test
+    fun `LogbookEntry holds all required fields`() {
+        val entry = LogbookEntry(
+            timestampMs = 1_000_000L,
+            lat = 41.39,
+            lon = -71.202,
+            sogKnots = 6.2,
+            cogDegrees = 225.0,
+            windKnots = 15.0,
+            windDirectionDeg = 225.0,
+            baroHpa = 1018.0,
+            depthMeters = 14.0,
+            event = "Departed slip",
+            notes = "Crew ready"
+        )
+        assertEquals(1_000_000L, entry.timestampMs)
+        assertEquals(41.39, entry.lat, 1e-9)
+        assertEquals(-71.202, entry.lon, 1e-9)
+        assertEquals(6.2, entry.sogKnots, 1e-9)
+        assertEquals(225.0, entry.cogDegrees, 1e-9)
+        assertEquals(15.0, entry.windKnots)
+        assertEquals(225.0, entry.windDirectionDeg)
+        assertEquals(1018.0, entry.baroHpa)
+        assertEquals(14.0, entry.depthMeters)
+        assertEquals("Departed slip", entry.event)
+        assertEquals("Crew ready", entry.notes)
+    }
+
+    @Test
+    fun `LogbookEntry optional fields default to null`() {
+        val entry = LogbookEntry(
+            timestampMs = 0L,
+            lat = 0.0,
+            lon = 0.0,
+            sogKnots = 0.0,
+            cogDegrees = 0.0
+        )
+        assertNull(entry.windKnots)
+        assertNull(entry.windDirectionDeg)
+        assertNull(entry.baroHpa)
+        assertNull(entry.depthMeters)
+        assertNull(entry.event)
+        assertNull(entry.notes)
+    }
+
+    @Test
+    fun `LogbookEntry data class equality`() {
+        val a = LogbookEntry(100L, 10.0, 20.0, 5.0, 90.0)
+        val b = LogbookEntry(100L, 10.0, 20.0, 5.0, 90.0)
+        assertEquals(a, b)
+    }
+
+    @Test
+    fun `LogbookEntry data class copy`() {
+        val original = LogbookEntry(100L, 10.0, 20.0, 5.0, 90.0, event = "anchor")
+        val copy = original.copy(sogKnots = 3.0)
+        assertEquals(3.0, copy.sogKnots, 1e-9)
+        assertEquals("anchor", copy.event)
+    }
+}
diff --git a/android-app/app/src/test/kotlin/org/terst/nav/data/model/TideModelTest.kt b/android-app/app/src/test/kotlin/org/terst/nav/data/model/TideModelTest.kt
new file mode 100644
index 0000000..0a6f4bb
--- /dev/null
+++ b/android-app/app/src/test/kotlin/org/terst/nav/data/model/TideModelTest.kt
@@ -0,0 +1,56 @@
+package com.example.androidapp.data.model
+
+import org.junit.Assert.*
+import org.junit.Test
+
+class TideModelTest {
+
+    @Test
+    fun `TideConstituent holds all fields`() {
+        val c = TideConstituent("M2", 28.9841042, 0.85, 120.0)
+        assertEquals("M2", c.name)
+        assertEquals(28.9841042, c.speedDegPerHour, 1e-7)
+        assertEquals(0.85, c.amplitudeMeters, 1e-9)
+        assertEquals(120.0, c.phaseDeg, 1e-9)
+    }
+
+    @Test
+    fun `TidePrediction holds timestamp and height`() {
+        val p = TidePrediction(1_700_000_000_000L, 2.34)
+        assertEquals(1_700_000_000_000L, p.timestampMs)
+        assertEquals(2.34, p.heightMeters, 1e-9)
+    }
+
+    @Test
+    fun `TidePrediction data class equality`() {
+        val p1 = TidePrediction(1_000L, 1.5)
+        val p2 = TidePrediction(1_000L, 1.5)
+        assertEquals(p1, p2)
+    }
+
+    @Test
+    fun `TideStation holds all fields and constituents`() {
+        val c = TideConstituent("K1", 15.0410686, 0.3, 45.0)
+        val station = TideStation(
+            id = "9447130",
+            name = "Seattle, WA",
+            lat = 47.602,
+            lon = -122.339,
+            datumOffsetMeters = 1.8,
+            constituents = listOf(c)
+        )
+        assertEquals("9447130", station.id)
+        assertEquals("Seattle, WA", station.name)
+        assertEquals(47.602, station.lat, 1e-9)
+        assertEquals(-122.339, station.lon, 1e-9)
+        assertEquals(1.8, station.datumOffsetMeters, 1e-9)
+        assertEquals(1, station.constituents.size)
+        assertEquals("K1", station.constituents[0].name)
+    }
+
+    @Test
+    fun `TideStation with empty constituents is valid`() {
+        val station = TideStation("test", "Test", 0.0, 0.0, 0.0, emptyList())
+        assertTrue(station.constituents.isEmpty())
+    }
+}