How to use before_all method of NSpec.Tests.WhenRunningSpecs.BeforeAndAfter.SpecClass class

Best NSpec code snippet using NSpec.Tests.WhenRunningSpecs.BeforeAndAfter.SpecClass.before_all

async_class_levels_and_context_methods.cs

Source:async_class_levels_and_context_methods.cs

...9    public class async_class_levels_and_context_methods : when_running_specs10    {11        class SpecClass : sequence_spec12        {13            async Task before_all()14            {15                await Task.Run(() => sequence = "A");16            }17            async Task before_each()18            {19                await Task.Run(() => sequence += "C");20            }21            void a_context()22            {23                beforeAllAsync = async () => await Task.Run(() => sequence += "B");24                beforeAsync = async () => await Task.Run(() => sequence += "D");25                specify = () => Assert.That(true, Is.True);26                afterAsync = async () => await Task.Run(() => sequence += "E");27                afterAllAsync = async () => await Task.Run(() => sequence += "G");28            }29            async Task after_each()30            {31                await Task.Run(() => sequence += "F");32            }33            async Task after_all()34            {35                await Task.Run(() => sequence += "H");36            }37        }38        [SetUp]39        public void setup()40        {41            Run(typeof(SpecClass));42        }43        [Test]44        public void before_alls_at_every_level_run_before_before_eaches_from_the_outside_in()45        {46            SpecClass.sequence.Should().StartWith("ABCD");47        }48        [Test]49        public void after_alls_at_every_level_run_after_after_eaches_from_the_inside_out()50        {51            SpecClass.sequence.Should().EndWith("EFGH");52        }53    }54}...

class_levels_and_context_methods.cs

Source:class_levels_and_context_methods.cs

...7    public class class_levels_and_context_methods : when_running_specs8    {9        class SpecClass : sequence_spec10        {11            void before_all()12            {13                sequence = "A";14            }15            void before_each()16            {17                sequence += "C";18            }19            void a_context()20            {21                beforeAll = () => sequence += "B";22                before = () => sequence += "D";23                specify = () => Assert.That(true, Is.True);24                after = () => sequence += "E";25                afterAll = () => sequence += "G";26            }27            void after_each()28            {29                sequence += "F";30            }31            void after_all()32            {33                sequence += "H";34            }35        }36        [SetUp]37        public void setup()38        {39            Run(typeof(SpecClass));40        }41        [Test]42        public void before_alls_at_every_level_run_before_before_eaches_from_the_outside_in()43        {44            SpecClass.sequence.Should().StartWith("ABCD");45        }46        [Test]47        public void after_alls_at_every_level_run_after_after_eaches_from_the_inside_out()48        {49            SpecClass.sequence.Should().EndWith("EFGH");50        }51    }52}...

async_class_levels.cs

Source:async_class_levels.cs

...9    public class async_class_levels : when_running_specs10    {11        class SpecClass : sequence_spec12        {13            async Task before_all()14            {15                await Task.Run(() => sequence = "A");16            }17            async Task before_each()18            {19                await Task.Run(() => sequence += "B");20            }21            async Task it_one_is_one()22            {23                await Task.Run(() => sequence += "1");24            }25            async Task it_two_is_two()26            {27                await Task.Run(() => sequence += "2"); //two specs cause before_each and after_each to run twice...

class_levels.cs

Source:class_levels.cs

...7    public class class_levels : when_running_specs8    {9        class SpecClass : sequence_spec10        {11            void before_all()12            {13                sequence = "A";14            }15            void before_each()16            {17                sequence += "B";18            }19            void it_one_is_one()20            {21                sequence += "1";22            }23            void it_two_is_two()24            {25                sequence += "2"; //two specs cause before_each and after_each to run twice...

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