Add ThemeConfigTest.

plot-stem/src/jvmTest/kotlin/org/jetbrains/letsPlot/core/spec/config/ThemeConfigTest.kt

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2023. JetBrains s.r.o.
+ * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
+ */
+
+package org.jetbrains.letsPlot.core.spec.config
+
+import org.jetbrains.letsPlot.commons.values.Color
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ThemeConfigTest {
+
+ @Test
+ fun default() {
+ val spec = plotSpec()
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.parseHex("#474747"), colors.pen())
+ assertEquals(Color.WHITE, colors.paper())
+ assertEquals(Color.PACIFIC_BLUE, colors.brush())
+ }
+
+ @Test
+ fun withThemeName() {
+ val spec = plotSpec(themeName = "none")
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.parseHex("#474747"), colors.pen())
+ assertEquals(Color.WHITE, colors.paper())
+ assertEquals(Color.PACIFIC_BLUE, colors.brush())
+ }
+
+ @Test
+ fun withFlavor() {
+ val spec = plotSpec(flavorName = "darcula")
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.parseHex("#BBBBBB"), colors.pen())
+ assertEquals(Color.parseHex("#303030"), colors.paper())
+ assertEquals(Color.PACIFIC_BLUE, colors.brush())
+ }
+
+ @Test
+ fun withCustomColors() {
+ val customColors = "'geom': { 'pen': 'red', 'paper': 'green', 'brush': 'blue' }"
+ val spec = plotSpec(customColors = customColors)
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.RED, colors.pen())
+ assertEquals(Color.GREEN, colors.paper())
+ assertEquals(Color.BLUE, colors.brush())
+ }
+
+ @Test
+ fun `theme(geom) + flavor = use flavor colors`() {
+ val customColors = "'geom': { 'pen': 'red', 'paper': 'green', 'brush': 'blue' }"
+ val spec = plotSpec(flavorName = "darcula", customColors = customColors, flavorOverCustomColors = true)
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.parseHex("#BBBBBB"), colors.pen())
+ assertEquals(Color.parseHex("#303030"), colors.paper())
+ assertEquals(Color.PACIFIC_BLUE, colors.brush())
+ }
+
+ @Test
+ fun `flavor + theme(geom) = use custom colors`() {
+ val customColors = "'geom': { 'pen': 'red', 'paper': 'green', 'brush': 'blue' }"
+ val spec = plotSpec(flavorName = "darcula", customColors = customColors, flavorOverCustomColors = false)
+ val colors = transformToClientPlotConfig(spec).theme.colors()
+
+ assertEquals(Color.RED, colors.pen())
+ assertEquals(Color.GREEN, colors.paper())
+ assertEquals(Color.BLUE, colors.brush())
+ }
+
+ private fun plotSpec(
+ themeName: String? = null,
+ flavorName: String? = null,
+ customColors: String? = null,
+ flavorOverCustomColors: Boolean = true
+ ): String {
+ val themeNameOpts = themeName?.let { "'name': '$themeName'" } ?: ""
+ val flavorOpts = flavorName?.let { "'flavor': '$flavorName'" } ?: ""
+
+ val themeSettings = (listOf(
+ themeNameOpts
+ ) + if (flavorOverCustomColors) {
+ listOf(customColors, flavorOpts)
+ } else {
+ listOf(flavorOpts, customColors)
+ }
+ ).filterNot(String?::isNullOrEmpty).joinToString()
+
+ return """
+ {
+ 'theme': { $themeSettings },
+ 'kind': 'plot',
+ 'layers': []
+ }""".trimIndent()
+ }
+}