Protected constructorExpression of the condition to evaluate.
Message that is passed if the condition does not evaluate to true.
Tests that the condition specified in condition is true. If not, an error with the specified message is thrown.
This function can throw errors.
Expected block type.
Location of the block to test at.
Optional isPresent: booleanIf true, this function tests whether a block of the specified type is at the location. If false, tests that a block of the specified type is not present.
Tests that a block of the specified type is present at the specified location. If it is not, an exception is thrown.
This function can throw errors.
Location of the block to test at.
Callback function that contains additional tests based on the block at the specified location.
Tests that a block has a particular state value at the specified location. If it does not have that state value, an exception is thrown.
This function can throw errors.
testIfButtonNotPressed.js
test.assertBlockState(buttonPos, (block) => {
return block.permutation.getProperty("button_pressed_bit") == 0;
});
Entity that you wish to test the location against.
Structure-relative location to test whether the specified mob can reach.
Optional canReach: booleanIf true, tests whether the mob can reach the location. If false, tests whether the mob is not able to reach the location.
Tests that an entity can reach a particular location. Depending on the value of canReach, throws an exception if the condition is not met.
This function can throw errors.
Represents the type of item to check for. The specified container must contain at least 1 item matching the item type defined in itemStack.
Location of the block with a container (for example, a chest) to test the contents of.
Tests that a container (e.g., a chest) at the specified location contains a specified of item stack. If not, an error is thrown.
This function can throw errors.
Location of the block with a container (for example, a chest) to test is empty of contents.
Tests that a container (e.g., a chest) at the specified location is empty. If not, an error is thrown.
This function can throw errors.
Identifier of the entity to match (e.g., 'minecraft:skeleton').
Container slot index to test.
Name of the armor to look for.
Data value integer to look for.
Location of the entity with armor to test for.
Optional hasArmor: booleanWhether or not the entity is expected to have the specified armor equipped.
Tests that an entity has a specific piece of armor equipped. If not, an error is thrown.
This function can throw errors.
horseArmorTest.js
test.assertEntityHasArmor("minecraft:horse", armorSlotTorso, "diamond_horse_armor", 0, horseLocation, true);
Identifier of the specified entity (e.g., 'minecraft:skeleton'). If the namespace is not specified, 'minecraft:' is assumed.
Identifier of the component to check for. If the namespace is not specified, 'minecraft:' is assumed.
Location of the block with a container (for example, a chest.)
Optional hasComponent: booleanDetermines whether to test that the component exists, or does not.
Tests that an entity has a particular component. If not, an exception is thrown.
This function can throw errors.
sheepShearedTest.js
test.assertEntityHasComponent("minecraft:sheep", "minecraft:is_sheared", entityLoc, false);
Specific entity to test for.
Location of the entity to test for.
Optional isPresent: booleanWhether to test that an entity is present or not present at the specified location.
Depending on the value for isPresent, tests that a particular entity is present or not present at the specified location. Depending on the value of isPresent, if the entity is found or not found, an error is thrown.
This function can throw errors.
Type of entity to test for (e.g., 'minecraft:skeleton'). If an entity namespace is not specified, 'minecraft:' is assumed.
Location of the entity to test for.
Optional isPresent: booleanIf true, this function tests whether an entity of the specified type is present. If false, tests that an entity of the specified type is not present.
Depending on the value of isPresent, tests for the presence or non-presence of entity of a specified type at a particular location. If the condition is not met, an exception is thrown.
This function can throw errors.
Type of entity to test for (e.g., 'minecraft:skeleton'). If an entity namespace is not specified, 'minecraft:' is assumed.
Optional isPresent: booleanIf true, this function tests whether an entity of the specified type is present in the GameTest area. If false, tests that an entity of the specified type is not present.
Tests that an entity of a specified type is present within the GameTest area. If not, an exception is thrown.
This function can throw errors.
simpleMobTest.ts
gt.register("StarterTests", "simpleMobTest", (test: gt.Test) => {
const attackerId = "fox";
const victimId = "chicken";
test.spawn(attackerId, new mc.BlockLocation(5, 2, 5));
test.spawn(victimId, new mc.BlockLocation(2, 2, 2));
test.assertEntityPresentInArea(victimId, true);
test.succeedWhen(() => {
test.assertEntityPresentInArea(victimId, false);
});
})
.maxTicks(400)
.structureName("gametests:mediumglass");
Location of the entity to look for.
Identifier of the entity (e.g., 'minecraft:skeleton') to look for. Note if no namespace is specified, 'minecraft:' is assumed.
Callback function where facets of the selected entity can be tested for. If this callback function returns false or no entity with the specified identifier is found, an exception is thrown.
Tests that an entity (e.g., a skeleton) at the specified location has a particular piece of data. If not, an error is thrown.
This function can throw errors.
villagerEffectTest.js
test.assertEntityState(
villagerPos,
"minecraft:villager_v2",
(entity) => entity.getEffect(MinecraftEffectTypes.regeneration).duration > 120
); // At least 6 seconds remaining in the villagers' effect
Type of entity to test for (e.g., 'minecraft:skeleton'). If an entity namespace is not specified, 'minecraft:' is assumed.
Location of the entity to test for.
Optional isTouching: booleanIf true, this function tests whether the entity is touching the specified location. If false, tests that an entity is not testing the specified location.
Depending on the value of isTouching, tests that an entity of a specified type is touching or connected to another entity. If the condition is not met, an exception is thrown.
This function can throw errors.
Location of the block to test for.
Optional isWaterlogged: booleanWhether to test that the block at position is expected to be waterlogged.
Depending on the value of isWaterlogged, tests that a block at a location contains water. If the condition is not met, an error is thrown. Pure water blocks are not considered to be waterlogged.
This function can throw errors.
Type of item to look for.
Location to search around for the specified set of items.
Range, in blocks, to aggregate a count of items around. If 0, will only search the particular block at position.
Number of items, at minimum, to look and test for.
Tests that items of a particular type and count are present within an area. If not, an error is thrown.
This function can throw errors.
findFeathers.js
test.assertItemEntityCountIs(Items.feather, expectedFeatherLoc, 0, 1);
Type of item to test for.
Location of the item entity to test for.
Radius in blocks to look for the item entity.
Optional isPresent: booleanIf true, this function tests whether an item entity of the specified type is present. If false, tests that an item entity of the specified type is not present.
Depending on the value of isPresent, tests whether a particular item entity is present or not at a particular location. If the condition is not met, an exception is thrown.
This function can throw errors.
Location to test.
Expected power level.
Tests that Redstone power at a particular location matches a particular value. If not, an exception is thrown.
This function can throw errors.
Callback function that runs. If the function runs successfully, the test is marked as a failure. Typically, this function will have .assertXyz method calls within it.
Runs the given callback. If the callback does not throw an exception, the test is marked as a failure.
This function can throw errors.
Location of the block to retrieve.
If the block at the specified block location is a fence, this returns a helper object with details on how a fence is connected.
This function can throw errors.
Location of the block to retrieve a sculk spreader from.
Retrieves a sculk spreader object that can be used to control and manage how sculk grows from a block.
This function can throw errors.
Returns the direction of the current test - see the @minecraft/server.Direction enum for more information on potential values (north, east, south, west - values 2-5).
Location to pulse Redstone at.
Number of ticks to pulse Redstone.
Sends a Redstone pulse at a particular location by creating a temporary Redstone block.
This function can throw errors.
Absolute location in the world to convert to a relative location.
A location relative to the GameTest command block.
From a BlockLocation, returns a new BlockLocation with coordinates relative to the current GameTest structure block. For example, the relative coordinates for the block above the structure block are (0, 1, 0). Rotation of the GameTest structure is also taken into account.
This function can throw errors.
Absolute location in the world to convert to a relative location.
A location relative to the GameTest command block.
From a location, returns a new location with coordinates relative to the current GameTest structure block. For example, the relative coordinates for the block above the structure block are (0, 1, 0). Rotation of the GameTest structure is also taken into account.
This function can throw errors.
Simulated player to remove.
Removes a simulated player from the world.
Direction to translate into a direction relative to the GameTest facing. Passing in Direction.south will return the test direction; Passing in Direction.north will return the opposite of the test direction, and so on.
Returns a relative direction given the current rotation of the current test. Passing in Direction.south will return the test direction; Passing in Direction.north will return the opposite of the test direction, and so on.
This function can throw errors.
Number of ticks to delay before running the specified callback.
Callback function to execute.
Runs a specific callback after a specified delay of ticks
This function can throw errors.
Tick (after the start of the GameTest) to run the callback at.
Callback function to execute.
Runs the given callback after a delay of tick ticks from the start of the GameTest.
This function can throw errors.
Permutation that contains the configuration data for a block.
Location of the block to set.
Sets a block to a particular configuration (a BlockPermutation) at the specified block location.
This function can throw errors.
Location of the fluid container block.
Type of fluid to set. See @minecraft/server-gametest.FluidType for a list of values.
For blocks that are fluid containers - like a cauldron - changes the type of fluid within that container.
This function can throw errors.
Type of entity to create. If no namespace is provided,
'minecraft:' is assumed. Note that an optional initial spawn
event can be specified between less than/greater than signs
(e.g., namespace:entityType
The spawned entity. If the entity cannot be spawned, returns undefined.
Spawns an entity at a location.
This function can throw errors.
simpleMobTest.ts
gt.register("StarterTests", "simpleMobTest", (test: gt.Test) => {
const attackerId = "fox";
const victimId = "chicken";
test.spawn(attackerId, new mc.BlockLocation(5, 2, 5));
test.spawn(victimId, new mc.BlockLocation(2, 2, 2));
test.assertEntityPresentInArea(victimId, true);
test.succeedWhen(() => {
test.assertEntityPresentInArea(victimId, false);
});
})
.maxTicks(400)
.structureName("gametests:mediumglass");
spawnAdultPig.js
test.spawn("minecraft:pig<minecraft:ageable_grow_up>", new BlockLocation(1, 2, 1));
Type of entity to create. If no namespace is provided,
'minecraft:' is assumed. Note that an optional initial spawn
event can be specified between less than/greater than signs
(e.g., namespace:entityType
The spawned entity. If the entity cannot be spawned, returns undefined.
Spawns an entity at a location.
This function can throw errors.
spawnAdultPig.js
test.spawn("minecraft:pig<minecraft:ageable_grow_up>", new Location(1.5, 2, 1.5));
ItemStack that describes the item entity to create.
Location to create the item entity at.
Spawns an item entity at a specified location.
This function can throw errors.
spawnEmeralds.js
const oneEmerald = new ItemStack(MinecraftItemTypes.emerald, 1, 0);
const fiveEmeralds = new ItemStack(MinecraftItemTypes.emerald, 5, 0);
test.spawnItem(oneEmerald, new Location(3.5, 3, 1.5));
test.spawnItem(fiveEmeralds, new Location(1.5, 3, 1.5));
Location where to spawn the simulated player.
Optional name: stringName to give the new simulated player.
Optional gameMode: GameModeCreates a new simulated player within the world.
This function can throw errors.
Location where the entity should be spawned.
Spawns an entity at a location without any AI behaviors. This method is frequently used in conjunction with methods like .walkTo to create predictable mob actions.
This function can throw errors.
Location where the entity should be spawned.
Spawns an entity at a location without any AI behaviors. This method is frequently used in conjunction with methods like .walkTo to create predictable mob actions.
This function can throw errors.
BlockLocation containing a multiface block.
Face to spread from. This face must already be set.
Direction to spread. Use the Minecraft.Direction enum to specify a direction.
Tests that a particular item entity is present at a particular location. If not, an exception is thrown.
This function can throw errors.
spreadFromFaceTowardDirection.js
test.spreadFromFaceTowardDirection(new BlockLocation(1, 2, 1), Direction.south, Direction.down);
A new GameTestSequence with chaining methods that facilitate creating a set of steps.
Creates a new GameTestSequence - A set of steps that play out sequentially within a GameTest.
Callback function that runs. If the function runs successfully, the test is marked as a success. Typically, this function will have .assertXyz method calls within it.
Runs the given callback. If the callback does not throw an exception, the test is marked as a success.
This function can throw errors.
Tick after the start of the GameTest to run the testing callback at.
Callback function that runs. If the function runs successfully, the test is marked as a success.
Runs the given callback at tick ticks after the start of the test. If the callback does not throw an exception, the test is marked as a failure.
This function can throw errors.
Testing callback function that runs. If the function runs successfully, the test is marked as a success.
Runs the given callback every tick. When the callback successfully executes, the test is marked as a success. Specifically, the test will succeed when the callback does not throw an exception.
This function can throw errors.
simpleMobTest.ts
gt.register("StarterTests", "simpleMobTest", (test: gt.Test) => {
const attackerId = "fox";
const victimId = "chicken";
test.spawn(attackerId, new mc.BlockLocation(5, 2, 5));
test.spawn(victimId, new mc.BlockLocation(2, 2, 2));
test.assertEntityPresentInArea(victimId, true);
test.succeedWhen(() => {
test.assertEntityPresentInArea(victimId, false);
});
})
.maxTicks(400)
.structureName("gametests:mediumglass");
Type of block to test for.
Location of the block to test at.
Optional isPresent: booleanIf true, this function tests whether a block of the specified type is present. If false, tests that a block of the specified type is not present.
Depending on the condition of isPresent, tests for the presence of a block of a particular type on every tick. When the specified block of a type is found or not found (depending on isPresent), the test is marked as a success.
This function can throw errors.
Type of entity to look for. If no namespace is specified, 'minecraft:' is assumed.
Type of component to test for the presence of. If no namespace is specified, 'minecraft:' is assumed.
Block location of the entity to test.
If true, this function tests for the presence of a component. If false, this function tests for the lack of a component.
Tests for the presence of a component on every tick. Depending on the value of hasComponent, when the specified component is found, the test is marked as a success.
This function can throw errors.
Type of entity to test for (e.g., 'minecraft:skeleton'). If an entity namespace is not specified, 'minecraft:' is assumed.
Location of the entity to test for.
Optional isPresent: booleanIf true, this function tests whether an entity of the specified type is present. If false, tests that an entity of the specified type is not present.
Depending on the value of isPresent, tests for the presence of an entity on every tick. When an entity of the specified type is found or not found (depending on isPresent), the test is marked as a success.
This function can throw errors.
Event to trigger. Valid values include minecraft:drip, minecraft:grow_stalagtite, minecraft:grow_stalagmite, minecraft:grow_up, minecraft:grow_down and minecraft:grow_sideways.
Optional eventParameters: number[]Triggers a block event from a fixed list of available block events.
This function can throw errors.
Function with code to evaluate.
This asynchronous function will wait until the code in the specified callback successfully completes. until can be used in conjunction with .assert functions to evaluate that a condition is true.
Mob entity to give orders to.
Location where the entity should be walk to.
Optional speedModifier: numberAdjustable modifier to the mob's walking speed.
Forces a mob to walk to a particular location. Usually used in conjunction with methods like .spawnWithoutBehaviors to have more predictable mob behaviors. Mobs will stop navigation as soon as they intersect the target location.
This function can throw errors.
Mob entity to give orders to.
Location where the entity should be walk to.
Optional speedModifier: numberAdjustable modifier to the mob's walking speed.
Forces a mob to walk to a particular location. Usually used in conjunction with methods like .spawnWithoutBehaviors to have more predictable mob behaviors. Mobs will stop navigation as soon as they intersect the target location.
This function can throw errors.
Location relative to the GameTest command block.
An absolute location relative to the GameTest command block.
From a BlockLocation with coordinates relative to the GameTest structure block, returns a new BlockLocation with coordinates relative to world. Rotation of the GameTest structure is also taken into account.
This function can throw errors.
Location relative to the GameTest command block.
An absolute location relative to the GameTest command block.
From a location with coordinates relative to the GameTest structure block, returns a new location with coordinates relative to world. Rotation of the GameTest structure is also taken into account.
This function can throw errors.
Main class for GameTest functions, with helpers and data for manipulating the respective test. Note that all methods of this class expect BlockLocations and Locations relative to the GameTest structure block.