trait TestSystem extends System with Restorable
TestSystem
supports deterministic testing of effects involving system
properties. Internally, TestSystem
maintains mappings of environment
variables and system properties that can be set and accessed. No actual
environment variables or system properties will be accessed or set as a
result of these actions.
import zio.system import zio.test.TestSystem for { _ <- TestSystem.putProperty("java.vm.name", "VM") result <- system.property("java.vm.name") } yield result == Some("VM")
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- abstract def clearEnv(variable: String)(implicit trace: ZTraceElement): UIO[Unit]
- abstract def clearProperty(prop: String)(implicit trace: ZTraceElement): UIO[Unit]
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abstract
def
env(variable: ⇒ String)(implicit trace: ZTraceElement): IO[SecurityException, Option[String]]
- Definition Classes
- System
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abstract
def
envOrElse(variable: ⇒ String, alt: ⇒ String)(implicit trace: ZTraceElement): IO[SecurityException, String]
- Definition Classes
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abstract
def
envOrOption(variable: ⇒ String, alt: ⇒ Option[String])(implicit trace: ZTraceElement): IO[SecurityException, Option[String]]
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abstract
def
envs(implicit trace: ZTraceElement): IO[SecurityException, Map[String, String]]
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abstract
def
lineSeparator(implicit trace: ZTraceElement): UIO[String]
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abstract
def
properties(implicit trace: ZTraceElement): IO[Throwable, Map[String, String]]
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abstract
def
property(prop: ⇒ String)(implicit trace: ZTraceElement): IO[Throwable, Option[String]]
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abstract
def
propertyOrElse(prop: ⇒ String, alt: ⇒ String)(implicit trace: ZTraceElement): IO[Throwable, String]
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abstract
def
propertyOrOption(prop: ⇒ String, alt: ⇒ Option[String])(implicit trace: ZTraceElement): IO[Throwable, Option[String]]
- Definition Classes
- System
- abstract def putEnv(name: String, value: String)(implicit trace: ZTraceElement): UIO[Unit]
- abstract def putProperty(name: String, value: String)(implicit trace: ZTraceElement): UIO[Unit]
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abstract
def
save(implicit trace: ZTraceElement): UIO[UIO[Unit]]
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- abstract def setLineSeparator(lineSep: String)(implicit trace: ZTraceElement): UIO[Unit]
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