Bazel run all tests in a directory If unspecified, Bazel uses the first . I have checked for bazel docs, google, and didn't find an explicit way to specify working directory for run command. Oct 30, 2025 · There are several different approaches to testing Starlark code in Bazel. Sandboxing is a permission restricting strategy that isolates processes from each other or from resources in a system. Sometimes it is useful to execute multiple Bazel run commands in parallel. Requirements Requirements for an output directory layout: Doesn't collide if multiple users are building on the same box. The original design documents for our Bazel build can be found at the following Golinks: go/skia-infra-bazel go/skia-infra-bazel-frontend go/skia-infra-bazel-backend Initial setup This section includes steps every engineer should follow Commands and Options {% include "_buttons. Tip: Select the flag name in table to navigate to its entry in the command line reference. Oct 30, 2025 · This article covers sandboxing in Bazel and debugging your sandboxing environment. Be easy to clean, even selectively. The blaze test command respects this sort of organization: For an invocation like blaze test //some/test:suite, Blaze first enumerates all test targets transitively included by the //some/test:suite target (we call this "test_suite expansion"), then Blaze builds and tests those targets. Bazel cheatsheet This cheatsheet provides quick tips on how to build and test code in our repository using Bazel. html" %} This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. json files in them, as follows. Bazel places your outputs within the workspace. cc Now when I run the above query test May 10, 2024 · BTW: As a general advise, I'd create an alias all_tests that runs all tests in a directory, including those is subdirs. Be easy to access. so If Bazel runs my test binary file from the base directory of my project it can't find the text file and all tests failed. Such tests are called "analysis tests" and are currently the best option for testing the inner Oct 30, 2025 · This page covers how to build a program with Bazel, build command syntax, and target pattern syntax. This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. Note: command line options will always supersede any option in bazelrc. Testing rules Skylib has a test framework called unittest. Sep 18, 2023 · While there’s much to be said about writing test rules and frameworks that mesh well with Bazel, this post will focus on the experience of running tests as a developer with bazel test. The original design documents for our Bazel build can be found at the following Golinks: go/skia-infra-bazel go/skia-infra-bazel-frontend go/skia-infra-bazel-backend Initial setup This section includes steps every engineer should follow Dec 7, 2021 · Currently it doesn't recognize this pass, whilst manual run from console works fine. Bazel ships with a number of build rules covering the most common artifact types in the supported languages on supported platforms. Is easy to clean Apr 21, 2022 · This is intentional, and makes it substantially easier to identify missing dependencies. May 31, 2023 · I'm currently working in a code base that has unit tests scattered throughout subdirectories, but they're all within that subdirectory's BUILD. Is unambiguous, even if Oct 30, 2025 · You can call Bazel from scripts to perform a build, run tests, or query the dependency graph. However, each test rule requires a test_class - the test class that is being ran, so there is no easy way to just run all tests with a single java_test rule. # Specify a binary that Bazel runs before each build. Jan 4, 2024 · When you run a Bazel command, such as bazel build or bazel test, Bazel will generate four folders in your workspace directory: bazel-bin: This folder contains the built executables and scripts Oct 30, 2025 · go-tutorial/ └── stage1 └── stage2 └── stage3 There are three subdirectories (stage1, stage2, and stage3), each for a different section of this tutorial. Dec 8, 2017 · There's no way to do this (that I'm aware of), since building all buildable targets and testing all testable targets involve 2 different bazel commands with two different sets of targets. Jul 11, 2024 · The blaze test command respects this sort of organization: For an invocation like blaze test //some/test:suite, Blaze first enumerates all test targets transitively included by the //some/test:suite target (we call this "test_suite expansion"), then Blaze builds and tests those targets. json files in them. *_test", //)' However, I have a directory structure of the following type: main_folder/ ├── main_folder/ -> This will have main_folder_content1 folder as well └── main_folder_content1/ ├── BUILD ├── test1_test. Options The The suggestion to use a file group rule as a build-in rule to collect a bunch of dependencies works well if the dependencies are single files (like a cc_binary), but will not trigger creation and collection of auxiliary runfiles (like the labels under "data" in a py_binary) needed for some types of targets. Options The May 8, 2025 · Navigating Bazel's extensive list of command line flags can be a challenge. bzl for checking the analysis-time behavior of rules, such as their actions and providers. . Oct 30, 2025 · This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. In addition to building, you can also use Bazel to run tests and query the build to trace dependencies in your code. These rules provide a simple interface for running multiple commands in parallel with a single bazel run invocation. Options The A Bazel workspace is a directory on your filesystem that you use to manage source files for the software you want to build. Jun 28, 2024 · We have a bazel_binary which iterates through all the subdirectories of a fixed directory, and parses the . Support building for multiple target configurations in the same workspace. Oct 30, 2025 · To build and run tests with bazel, type bazel test followed by the name of the test targets. This page is a companion to the list of Bazel's commands in Build with Bazel. build Learn how to efficiently run all JUnit tests with Bazel, including best practices and common troubleshooting tips. So I conclude that bazel`s working dir differs from workspace root at this point . Unfortunately it's not how bazel was designed. yaml Commands and Options {% include “_buttons. bazel which may be empty, or may contain references to external dependencies required to build the outputs. They use a syntax more flexible than labels, which is documented in Specifying targets to build. Bazel has been designed to enable effective scripting, but this section lists some details to bear in mind to make your scripts more robust. Jun 29, 2023 · Bazel Testing provides developers with a reliable approach to validate their code. Run Bazel from the command line. Is there a way to kick off all the tests? See full list on bazel. Start here if you're completely new to Bazel. This page gathers the current best practices and frameworks by use case. Apr 15, 2025 · Run multiple tests easily: Right-click a directory in the Project tree view, or a target node in the Bazel tool window, to run all tests contained within that scope. This page focuses on the most crucial flags you'll need to know. We created a full guide for Scala and Java for you! Aug 8, 2023 · Bazel query command below queries all the tests in the current directory. Doesn't collide with any other tools. Bazel can speed up the testing process, save time and com Oct 30, 2025 · This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. The multirun() command, which I originally found in Atlassian’s bazel-tools repository, makes this The blaze test command respects this sort of organization: For an invocation like blaze test //some/test:suite, Blaze first enumerates all test targets transitively included by the //some/test:suite target (we call this "test_suite expansion"), then Blaze builds and tests those targets. The program can report information about the status of the workspace, such as the current source control revision. For example, imagine you are deploying software to multiple systems at once – it might be significantly more efficient to run these commands in parallel. Each stage builds on the previous one. Options The Bazel cheatsheet This cheatsheet provides quick tips on how to build and test code in our repository using Bazel. That way you only need bazel test all_tests. If you do want to build multiple targets at once, including their runfiles, the sh Feb 26, 2025 · The main complication comes from the fact that it's hard to describe the set of files that I want my diff_test (or more precisely, the genrule which generates the temporary checksum file tested by the diff_test) to depend on. May 1, 2023 · Learn how to improve your automated test suite using Bazel, an open source software tool. We want to use a directory iterator because this directory can have more subdirectories in future with new . By default, this command performs simultaneous build and test activity, building all specified targets (including any non-test targets specified on the command line) and testing *_test and test_suite targets as soon as their prerequisites are built Oct 30, 2025 · This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. Bazel's file system sandbox runs processes in a working directory that only contains known inputs, such that compilers and other tools don't For running all the tests under a target I use the command line command bazel test //src/code_path:target_name What should be additional parameters to run a test Apr 24, 2025 · A step-by-step guide to building, testing, and packaging a Python library with Bazel and the rules_python core library. bazel query 'kind(". Each workspace directory has a text file named MODULE. Quickstart To run Bazel, go to your base workspace directory or any of its subdirectories and type bazel. Options The Output directory layout Requirements Requirements for an output directory layout: Don’t collide if multiple users are building on the same box. cc └── test2_test. Oct 30, 2025 · This page covers requirements and layout for output directories. See build if you need to make a new workspace. Supports building for multiple target configurations in the same workspace. We can build it with bazel build, then run it: Project: /_project. This is especially useful for running multiple linters or formatters with a single command. Is there a way to fix it in Bazel files and don't change my code? Mar 9, 2023 · A quick tip on how to execute multiple run commands in parallel. html” %} This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. Target syntax Some commands, like build or test, can operate on a list of targets. Support building in multiple workspaces at the same time. Useful general options The following flags are meant to be set explicitly on the command line. For Bazel, this means restricting file system access. bazelrc file it finds in the following two locations: the workspace directory, then the user's home directory. Don’t collide with any other tools. I want to depend on all files inside a directory and subdirectory, including bazel subpackages if they happen to exist. Reproducing a broken test A test failure can be reproduced locally with bazel test; for example, if the package in question is pkg/path/to/dir, you can run bazel test pkg/path/to/dir:all or equivalently . Build with Bazel Start in the stage1 directory, where we'll find a program. Does anybody know proper way to do that? Thanks! Oct 30, 2025 · The bazel test command respects this sort of organization: For an invocation like bazel test //some/test:suite, Bazel first enumerates all test targets transitively included by the //some/test:suite target (we call this "test_suite expansion"), then Bazel builds and tests those targets. yaml Book: /_book. Apr 6, 2023 · The reason I want to do this is that my test read some data from a text file that I pass from the data attribute to cc_test. Supports building in multiple workspaces at the same time. Is easy to access. How does Bazel work? Jun 23, 2025 · This page covers the options that are available with various Bazel commands, such as bazel build, bazel run, and bazel test. /dev test pkg/path/to/dir. Target syntax {:#target-syntax} Some commands, like build or test, can operate on a list of Oct 3, 2017 · I am adding tests in Bazel, but I don't want to write a test rule for every single test file. ipfjpf6n hevhag mtaj s7jbebk y11 ht7bgw fpwq ufmcp wox wo9lzx