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-rw-r--r--opendc-simulator/opendc-simulator-power/build.gradle.kts35
-rw-r--r--opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPdu.kt68
-rw-r--r--opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerInlet.kt48
-rw-r--r--opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerOutlet.kt80
-rw-r--r--opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerSource.kt54
-rw-r--r--opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPduTest.kt108
-rw-r--r--opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPowerSourceTest.kt137
7 files changed, 530 insertions, 0 deletions
diff --git a/opendc-simulator/opendc-simulator-power/build.gradle.kts b/opendc-simulator/opendc-simulator-power/build.gradle.kts
new file mode 100644
index 00000000..f2a49964
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/build.gradle.kts
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+description = "Library for simulating datacenter power components"
+
+plugins {
+ `kotlin-library-conventions`
+ `testing-conventions`
+ `jacoco-conventions`
+}
+
+dependencies {
+ api(platform(projects.opendcPlatform))
+ api(projects.opendcSimulator.opendcSimulatorResources)
+ implementation(projects.opendcSimulator.opendcSimulatorCore)
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPdu.kt b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPdu.kt
new file mode 100644
index 00000000..365f3435
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPdu.kt
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+import org.opendc.simulator.resources.*
+
+/**
+ * A model of a Power Distribution Unit (PDU).
+ *
+ * @param interpreter The underlying [SimResourceInterpreter] to drive the simulation under the hood.
+ */
+public class SimPdu(interpreter: SimResourceInterpreter) : SimPowerInlet() {
+ /**
+ * The [SimResourceDistributor] that distributes the electricity over the PDU outlets.
+ */
+ private val distributor = SimResourceDistributorMaxMin(interpreter)
+
+ /**
+ * Create a new PDU outlet.
+ */
+ public fun newOutlet(): Outlet = Outlet(distributor.newOutput())
+
+ override fun createConsumer(): SimResourceConsumer = distributor
+
+ override fun toString(): String = "SimPdu"
+
+ /**
+ * A PDU outlet.
+ */
+ public class Outlet(private val provider: SimResourceProvider) : SimPowerOutlet(), AutoCloseable {
+ override fun onConnect(inlet: SimPowerInlet) {
+ provider.startConsumer(inlet.createConsumer())
+ }
+
+ override fun onDisconnect(inlet: SimPowerInlet) {
+ provider.cancel()
+ }
+
+ /**
+ * Remove the outlet from the PDU.
+ */
+ override fun close() {
+ provider.close()
+ }
+
+ override fun toString(): String = "SimPdu.Outlet"
+ }
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerInlet.kt b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerInlet.kt
new file mode 100644
index 00000000..0ac1f199
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerInlet.kt
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+import org.opendc.simulator.resources.SimResourceConsumer
+
+/**
+ * An abstract inlet that consumes electricity from a power outlet.
+ */
+public abstract class SimPowerInlet {
+ /**
+ * A flag to indicate that the inlet is currently connected to an outlet.
+ */
+ public val isConnected: Boolean
+ get() = _outlet != null
+
+ /**
+ * The [SimPowerOutlet] to which the inlet is connected.
+ */
+ public val outlet: SimPowerOutlet?
+ get() = _outlet
+ internal var _outlet: SimPowerOutlet? = null
+
+ /**
+ * Create a [SimResourceConsumer] which represents the consumption of electricity from the power outlet.
+ */
+ public abstract fun createConsumer(): SimResourceConsumer
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerOutlet.kt b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerOutlet.kt
new file mode 100644
index 00000000..72f52acc
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerOutlet.kt
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+/**
+ * An abstract outlet that provides a source of electricity for datacenter components.
+ */
+public abstract class SimPowerOutlet {
+ /**
+ * A flag to indicate that the inlet is currently connected to an outlet.
+ */
+ public val isConnected: Boolean
+ get() = _inlet != null
+
+ /**
+ * The inlet that is connected to this outlet currently.
+ */
+ public val inlet: SimPowerInlet?
+ get() = _inlet
+ private var _inlet: SimPowerInlet? = null
+
+ /**
+ * Connect the specified power [inlet] to this outlet.
+ *
+ * @param inlet The inlet to connect to the outlet.
+ */
+ public fun connect(inlet: SimPowerInlet) {
+ check(!isConnected) { "Outlet already connected" }
+ check(!inlet.isConnected) { "Inlet already connected" }
+
+ _inlet = inlet
+ inlet._outlet = this
+
+ onConnect(inlet)
+ }
+
+ /**
+ * Disconnect the connected power outlet from this inlet
+ */
+ public fun disconnect() {
+ val inlet = _inlet
+ if (inlet != null) {
+ _inlet = null
+ assert(inlet._outlet == this) { "Inlet state incorrect" }
+ inlet._outlet = null
+
+ onDisconnect(inlet)
+ }
+ }
+
+ /**
+ * This method is invoked when an inlet is connected to the outlet.
+ */
+ protected abstract fun onConnect(inlet: SimPowerInlet)
+
+ /**
+ * This method is invoked when an inlet is disconnected from the outlet.
+ */
+ protected abstract fun onDisconnect(inlet: SimPowerInlet)
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerSource.kt b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerSource.kt
new file mode 100644
index 00000000..3ef8ccc6
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/main/kotlin/org/opendc/simulator/power/SimPowerSource.kt
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+import org.opendc.simulator.resources.SimResourceInterpreter
+import org.opendc.simulator.resources.SimResourceSource
+
+/**
+ * A [SimPowerOutlet] that represents a source of electricity.
+ *
+ * @param interpreter The underlying [SimResourceInterpreter] to drive the simulation under the hood.
+ */
+public class SimPowerSource(interpreter: SimResourceInterpreter, public val capacity: Double) : SimPowerOutlet() {
+ /**
+ * The resource source that drives this power source.
+ */
+ private val source = SimResourceSource(capacity, interpreter)
+
+ /**
+ * The power draw at this instant.
+ */
+ public val powerDraw: Double
+ get() = source.speed
+
+ override fun onConnect(inlet: SimPowerInlet) {
+ source.startConsumer(inlet.createConsumer())
+ }
+
+ override fun onDisconnect(inlet: SimPowerInlet) {
+ source.cancel()
+ }
+
+ override fun toString(): String = "SimPowerSource"
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPduTest.kt b/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPduTest.kt
new file mode 100644
index 00000000..cef9a97a
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPduTest.kt
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+import io.mockk.spyk
+import io.mockk.verify
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+import org.opendc.simulator.core.runBlockingSimulation
+import org.opendc.simulator.resources.SimResourceConsumer
+import org.opendc.simulator.resources.SimResourceEvent
+import org.opendc.simulator.resources.SimResourceInterpreter
+import org.opendc.simulator.resources.consumer.SimWorkConsumer
+
+/**
+ * Test suite for the [SimPdu] class.
+ */
+internal class SimPduTest {
+ @Test
+ fun testZeroOutlets() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val pdu = SimPdu(interpreter)
+ source.connect(pdu)
+
+ assertEquals(0.0, source.powerDraw)
+ }
+
+ @Test
+ fun testSingleOutlet() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val pdu = SimPdu(interpreter)
+ source.connect(pdu)
+ pdu.newOutlet().connect(SimpleInlet())
+ assertEquals(50.0, source.powerDraw)
+ }
+
+ @Test
+ fun testDoubleOutlet() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val pdu = SimPdu(interpreter)
+ source.connect(pdu)
+
+ pdu.newOutlet().connect(SimpleInlet())
+ pdu.newOutlet().connect(SimpleInlet())
+
+ assertEquals(100.0, source.powerDraw)
+ }
+
+ @Test
+ fun testDisconnect() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val pdu = SimPdu(interpreter)
+ source.connect(pdu)
+ val consumer = spyk(SimWorkConsumer(100.0, utilization = 1.0))
+ val inlet = object : SimPowerInlet() {
+ override fun createConsumer(): SimResourceConsumer = consumer
+ }
+
+ val outlet = pdu.newOutlet()
+ outlet.connect(inlet)
+ outlet.disconnect()
+
+ verify { consumer.onEvent(any(), SimResourceEvent.Exit) }
+ }
+
+ @Test
+ fun testOutletClose() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val pdu = SimPdu(interpreter)
+ source.connect(pdu)
+ val outlet = pdu.newOutlet()
+ outlet.close()
+
+ assertThrows<IllegalStateException> {
+ outlet.connect(SimpleInlet())
+ }
+ }
+
+ class SimpleInlet : SimPowerInlet() {
+ override fun createConsumer(): SimResourceConsumer = SimWorkConsumer(100.0, utilization = 0.5)
+ }
+}
diff --git a/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPowerSourceTest.kt b/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPowerSourceTest.kt
new file mode 100644
index 00000000..f3829ba1
--- /dev/null
+++ b/opendc-simulator/opendc-simulator-power/src/test/kotlin/org/opendc/simulator/power/SimPowerSourceTest.kt
@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2021 AtLarge Research
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package org.opendc.simulator.power
+
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.spyk
+import io.mockk.verify
+import org.junit.jupiter.api.Assertions.*
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertDoesNotThrow
+import org.junit.jupiter.api.assertThrows
+import org.opendc.simulator.core.runBlockingSimulation
+import org.opendc.simulator.resources.SimResourceConsumer
+import org.opendc.simulator.resources.SimResourceEvent
+import org.opendc.simulator.resources.SimResourceInterpreter
+import org.opendc.simulator.resources.consumer.SimWorkConsumer
+
+/**
+ * Test suite for the [SimPowerSource]
+ */
+internal class SimPowerSourceTest {
+ @Test
+ fun testInitialState() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+
+ assertFalse(source.isConnected)
+ assertNull(source.inlet)
+ assertEquals(100.0, source.capacity)
+ }
+
+ @Test
+ fun testDisconnectIdempotent() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+
+ assertDoesNotThrow { source.disconnect() }
+ assertFalse(source.isConnected)
+ }
+
+ @Test
+ fun testConnect() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val inlet = SimpleInlet()
+
+ source.connect(inlet)
+
+ assertTrue(source.isConnected)
+ assertEquals(inlet, source.inlet)
+ assertTrue(inlet.isConnected)
+ assertEquals(source, inlet.outlet)
+ assertEquals(100.0, source.powerDraw)
+ }
+
+ @Test
+ fun testDisconnect() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val consumer = spyk(SimWorkConsumer(100.0, utilization = 1.0))
+ val inlet = object : SimPowerInlet() {
+ override fun createConsumer(): SimResourceConsumer = consumer
+ }
+
+ source.connect(inlet)
+ source.disconnect()
+
+ verify { consumer.onEvent(any(), SimResourceEvent.Exit) }
+ }
+
+ @Test
+ fun testDisconnectAssertion() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val inlet = mockk<SimPowerInlet>(relaxUnitFun = true)
+ every { inlet.isConnected } returns false
+ every { inlet._outlet } returns null
+ every { inlet.createConsumer() } returns SimWorkConsumer(100.0, utilization = 1.0)
+
+ source.connect(inlet)
+
+ assertThrows<AssertionError> {
+ source.disconnect()
+ }
+ }
+
+ @Test
+ fun testOutletAlreadyConnected() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val inlet = SimpleInlet()
+
+ source.connect(inlet)
+ assertThrows<IllegalStateException> {
+ source.connect(SimpleInlet())
+ }
+
+ assertEquals(inlet, source.inlet)
+ }
+
+ @Test
+ fun testInletAlreadyConnected() = runBlockingSimulation {
+ val interpreter = SimResourceInterpreter(coroutineContext, clock)
+ val source = SimPowerSource(interpreter, capacity = 100.0)
+ val inlet = mockk<SimPowerInlet>(relaxUnitFun = true)
+ every { inlet.isConnected } returns true
+
+ assertThrows<IllegalStateException> {
+ source.connect(inlet)
+ }
+ }
+
+ class SimpleInlet : SimPowerInlet() {
+ override fun createConsumer(): SimResourceConsumer = SimWorkConsumer(100.0, utilization = 1.0)
+ }
+}