A shareable package of CircleCI configuration to integrate with emulator-wtf, written by emulator-wtf
CommunityUse CircleCI version 2.1 at the top of your .circleci/config.yml file.
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version: 2.1Add the orbs stanza below your version, invoking the orb:
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orbs:
emulator-wtf: emulator-wtf/emulator-wtf@0.1.1Use emulator-wtf elements in your existing workflows and jobs.
Opt-in to use of uncertified orbs on your organization’s Security settings page.
Run tests using emulator-wtf orb. Assumes a EW_API_TOKEN environment variable is set.
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version: '2.1'
orbs:
emulator-wtf: emulator-wtf/emulator-wtf@0.0.1
jobs:
test-sample-app:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
workflows:
test-workflow:
jobs:
- test-sample-app
Configure credentials and run tests using CircleCI OIDC authentication
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version: '2.1'
orbs:
emulator-wtf: emulator-wtf/emulator-wtf@0.0.1
jobs:
test_env_var_id:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/configure_credentials:
oidc_configuration_id: ${OIDC_CONFIGURATION_ID}
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
test_hard_coded_id:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/configure_credentials:
oidc_configuration_id: asdf-1234-asdf-asdf
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
workflows:
test-workflow:
jobs:
- test_hard_coded_id
- test_env_var_id
Configure environment variable EW_API_TOKEN for emulator.wtf credentials
| PARAMETER | DESCRIPTION | REQUIRED | DEFAULT | TYPE |
|---|---|---|---|---|
oidc_configuration_id OIDC configuration ID as configured in emulator.wtf. Either provide hard-coded value (e.g asdf-213-asdf) or env variable (e.g ${OIDC_CONFIGURATION_ID}). Required | OIDC configuration ID as configured in emulator.wtf. Either provide hard-coded value (e.g asdf-213-asdf) or env variable (e.g ${OIDC_CONFIGURATION_ID}). | Yes | - type: string | string |
Run Android instrumentation tests using emulator.wtf.
| PARAMETER | DESCRIPTION | REQUIRED | DEFAULT | TYPE |
|---|---|---|---|---|
additional_apks Additional apks to install, one per line | Additional apks to install, one per line | No | '' type: string | string |
app Path to application apk file Required | Path to application apk file | Yes | - type: string | string |
cache_version cache version, change this in case of cache corruption | cache version, change this in case of cache corruption | No | '1' type: string | string |
clear_package_data Whether to clear app data between every test (requires use-orchestrator) | Whether to clear app data between every test (requires use-orchestrator) | No | false type: boolean | boolean |
devices Device configurations to use, in the form of model=X,version=Y per line | Device configurations to use, in the form of model=X,version=Y per line | No | '' type: string | string |
directories_to_pull Directories to pull from device and store in outputs-dir, one per line | Directories to pull from device and store in outputs-dir, one per line | No | '' type: string | string |
environment_variables Environment variables to pass to AndroidJUnitRunner, comma-separated list of key-value pairs: key=value,key2=value2 | Environment variables to pass to AndroidJUnitRunner, comma-separated list of key-value pairs: key=value,key2=value2 | No | '' type: string | string |
no_output_timeout Elapsed time the run step may go without output. Accepts duration strings such as '20m', '1h', '500s'. If not set, uses the timeout parameter value when set, otherwise defaults to '15m'. | Elapsed time the run step may go without output. Accepts duration strings such as '20m', '1h', '500s'. If not set, uses the timeout parameter value when set, otherwise defaults to '15m'. | No | '' type: string | string |
num_balanced_shards Set to a number larger than 1 to split your tests into even shards based on historical runtime. | Set to a number larger than 1 to split your tests into even shards based on historical runtime. | No | 0 type: integer | integer |
num_shards Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel | Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel | No | 0 type: integer | integer |
num_uniform_shards Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel | Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel | No | 0 type: integer | integer |
outputs_dir Location to store test outputs in | Location to store test outputs in | No | '' type: string | string |
shard_target_runtime Target runtime for each shard in minutes, tests will be split into shards targeting this runtime for each shard based on historical data on a best effort basis. | Target runtime for each shard in minutes, tests will be split into shards targeting this runtime for each shard based on historical data on a best effort basis. | No | 0s type: string | string |
shard_unit Configuration option to control sharding granularity. Can be set to test_classes to shard at the test class level, or test_methods to shard at the test method level. If not specified, ew-cli will use its default behavior. | Configuration option to control sharding granularity. Can be set to test_classes to shard at the test class level, or test_methods to shard at the test method level. If not specified, ew-cli will use its default behavior. | No | '' type: string | string |
test Path to test apk file Required | Path to test apk file | Yes | - type: string | string |
test_cache Whether to cache the test results | Whether to cache the test results | No | true type: boolean | boolean |
testcase_duration_hint Hint for the average runtime for each test case expressed by a number followed by a unit (h, m, s or ms), with the maximum value being 3h and the minimum value being 1ms (default 10s). Useful when historical runtime data is missing for tests alongside with --shard-target-runtime | Hint for the average runtime for each test case expressed by a number followed by a unit (h, m, s or ms), with the maximum value being 3h and the minimum value being 1ms (default 10s). Useful when historical runtime data is missing for tests alongside with --shard-target-runtime | No | 0s type: string | string |
timeout Timeout for the test run, expressed as a number followed by a unit (h, m, s or ms). If not set, ew-cli will use its default timeout. | Timeout for the test run, expressed as a number followed by a unit (h, m, s or ms). If not set, ew-cli will use its default timeout. | No | '' type: string | string |
use_orchestrator Whether to use the Android Test Orchestrator | Whether to use the Android Test Orchestrator | No | false type: boolean | boolean |
version ew-cli version to use | ew-cli version to use | No | 1.3.2 type: string | string |
with_coverage Set to true to collect coverage files and save them to outputs-dir | Set to true to collect coverage files and save them to outputs-dir | No | false type: boolean | boolean |
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# This code is licensed from CircleCI to the user under the MIT license.
# See here for details: https://circleci.com/developer/orbs/licensing
version: 2.1
description: |
Emulator.wtf is an Android cloud emulator laser-focused on performance to deliver quick feedback to your PRs.
With this orb you can easily run your Android instrumentation tests with emulator.wtf.
display:
home_url: https://docs.emulator.wtf
source_url: https://www.github.com/emulator-wtf/circleci-orb
commands:
configure_credentials:
description: Configure environment variable EW_API_TOKEN for emulator.wtf credentials
parameters:
oidc_configuration_id:
description: OIDC configuration ID as configured in emulator.wtf. Either provide hard-coded value (e.g asdf-213-asdf) or env variable (e.g ${OIDC_CONFIGURATION_ID}).
type: string
steps:
- run:
command: |-
#!/bin/bash
set -euo pipefail
if [ -n "${OIDC_CONFIGURATION_ID_PARAM:-}" ]; then
CONF_ID=$(circleci env subst "${OIDC_CONFIGURATION_ID_PARAM}")
fi
if [ -z "${CONF_ID:-}" ]; then
echo "Error: OIDC configuration ID is not set. Please configure ${OIDC_CONFIGURATION_ID_PARAM} environment variable."
exit 1
fi
TOKEN=$(circleci run oidc get --claims '{"aud":"api://emulator.wtf"}')
RESPONSE=$(curl -w "\n%{http_code}" -X POST -H "Content-Type: application/json" -H "Accept: text/plain" -d "{\"oidcConfigurationUuid\":\"$CONF_ID\", \"oidcToken\":\"$TOKEN\"}" https://api.emulator.wtf/auth/oidc)
HTTP_CODE=$(echo "$RESPONSE" | tail -n1)
EW_API_TOKEN=$(echo "$RESPONSE" | head -n-1)
if [ "$HTTP_CODE" -ge 400 ]; then
echo "$EW_API_TOKEN" >&2
exit 1
fi
echo "export EW_API_TOKEN=$EW_API_TOKEN" >> "$BASH_ENV"
echo "EW_API_TOKEN configured successfully."
environment:
OIDC_CONFIGURATION_ID_PARAM: <<parameters.oidc_configuration_id>>
name: Configure emulator.wtf Credentials
run_tests:
description: |
Run Android instrumentation tests using emulator.wtf.
parameters:
additional_apks:
default: ""
description: Additional apks to install, one per line
type: string
app:
description: Path to application apk file
type: string
cache_version:
default: "1"
description: cache version, change this in case of cache corruption
type: string
clear_package_data:
default: false
description: Whether to clear app data between every test (requires use-orchestrator)
type: boolean
devices:
default: ""
description: Device configurations to use, in the form of model=X,version=Y per line
type: string
directories_to_pull:
default: ""
description: Directories to pull from device and store in outputs-dir, one per line
type: string
environment_variables:
default: ""
description: 'Environment variables to pass to AndroidJUnitRunner, comma-separated list of key-value pairs: key=value,key2=value2'
type: string
no_output_timeout:
default: ""
description: Elapsed time the run step may go without output. Accepts duration strings such as '20m', '1h', '500s'. If not set, uses the timeout parameter value when set, otherwise defaults to '15m'.
type: string
num_balanced_shards:
default: 0
description: Set to a number larger than 1 to split your tests into even shards based on historical runtime.
type: integer
num_shards:
default: 0
description: Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel
type: integer
num_uniform_shards:
default: 0
description: Set to a number larger than 1 to randomly split your tests into multiple shards to be executed in parallel
type: integer
outputs_dir:
default: ""
description: Location to store test outputs in
type: string
shard_target_runtime:
default: 0s
description: Target runtime for each shard in minutes, tests will be split into shards targeting this runtime for each shard based on historical data on a best effort basis.
type: string
shard_unit:
default: ""
description: Configuration option to control sharding granularity. Can be set to test_classes to shard at the test class level, or test_methods to shard at the test method level. If not specified, ew-cli will use its default behavior.
type: string
test:
description: Path to test apk file
type: string
test_cache:
default: true
description: Whether to cache the test results
type: boolean
testcase_duration_hint:
default: 0s
description: Hint for the average runtime for each test case expressed by a number followed by a unit (h, m, s or ms), with the maximum value being 3h and the minimum value being 1ms (default 10s). Useful when historical runtime data is missing for tests alongside with --shard-target-runtime
type: string
timeout:
default: ""
description: Timeout for the test run, expressed as a number followed by a unit (h, m, s or ms). If not set, ew-cli will use its default timeout.
type: string
use_orchestrator:
default: false
description: Whether to use the Android Test Orchestrator
type: boolean
version:
default: 1.3.2
description: ew-cli version to use
type: string
with_coverage:
default: false
description: Set to true to collect coverage files and save them to outputs-dir
type: boolean
steps:
- restore_cache:
keys:
- ew-cli-<<parameters.cache_version>>-<<parameters.version>>
- ew-cli-<<parameters.cache_version>>
- run:
command: |
#!/bin/bash
EW_BIN="$HOME/.cache/emulator-wtf/ew-cli"
# download ew-cli wrapper if not fetched already
if [[ ! -f "$EW_BIN" ]]; then
mkdir -p ~/.cache/emulator-wtf
curl -sL https://maven.emulator.wtf/releases/ew-cli -o "$EW_BIN"
chmod a+x "$EW_BIN"
fi
# poke wrapper to fetch the jar if necessary
$EW_BIN --version
environment:
EW_VERSION: <<parameters.version>>
name: Fetch ew-cli
- save_cache:
key: ew-cli-<<parameters.cache_version>>-<<parameters.version>>
paths: ~/.cache/emulator-wtf
- run:
command: |-
#!/bin/bash
EW_BIN="$HOME/.cache/emulator-wtf/ew-cli"
args=("$EW_BIN")
if [[ -n "$APP_APK" ]]; then
args+=("--app" "$APP_APK")
fi
if [[ -n "$TEST_APK" ]]; then
args+=("--test" "$TEST_APK")
fi
if [[ -n "$OUTPUTS_DIR" ]]; then
args+=("--outputs-dir" "$OUTPUTS_DIR")
fi
if [[ -n "$DEVICES" ]]; then
# shellcheck disable=SC2086
for device in $(echo $DEVICES | xargs); do
args+=("--device" "$device")
done
fi
if [[ "$USE_ORCHESTRATOR" == "1" ]]; then
args+=("--use-orchestrator")
fi
if [[ "$CLEAR_PACKAGE_DATA" == "1" ]]; then
args+=("--clear-package-data")
fi
if [[ "$WITH_COVERAGE" == "1" ]]; then
args+=("--with-coverage")
fi
if [[ -n "$ADDITIONAL_APKS" ]]; then
while IFS= read -r line ; do
apk=$(echo "$line" | xargs)
args+=("--additional-apks" "$apk")
done \<<< "$ADDITIONAL_APKS"
fi
if [[ -n "$ENVIRONMENT_VARIABLES" ]]; then
args+=("--environment-variables" "$ENVIRONMENT_VARIABLES")
fi
if [[ -n "$NUM_UNIFORM_SHARDS" ]]; then
if [[ "$NUM_UNIFORM_SHARDS" != "0" ]]; then
args+=("--num-uniform-shards" "$NUM_UNIFORM_SHARDS")
fi
fi
if [[ -n "$SHARD_TARGET_RUNTIME" ]]; then
if [[ "$SHARD_TARGET_RUNTIME" != "0s" ]]; then
args+=("--shard-target-runtime" "$SHARD_TARGET_RUNTIME")
fi
fi
if [[ -n "$TESTCASE_DURATION_HINT" ]]; then
if [[ "$TESTCASE_DURATION_HINT" != "0s" ]]; then
args+=("--testcase-duration-hint" "$TESTCASE_DURATION_HINT")
fi
fi
if [[ -n "$SHARD_UNIT" ]]; then
args+=("--shard-unit" "$SHARD_UNIT")
fi
if [[ -n "$NUM_BALANCED_SHARDS" ]]; then
if [[ "$NUM_BALANCED_SHARDS" != "0" ]]; then
args+=("--num-balanced-shards" "$NUM_BALANCED_SHARDS")
fi
fi
if [[ -n "$NUM_SHARDS" ]]; then
if [[ "$NUM_SHARDS" != "0" ]]; then
args+=("--num-shards" "$NUM_SHARDS")
fi
fi
if [[ -n "$DIRECTORIES_TO_PULL" ]]; then
while IFS= read -r line ; do
dirtopull=$(echo "$line" | xargs)
args+=("--directories-to-pull" "$dirtopull")
done \<<< "$DIRECTORIES_TO_PULL"
fi
if [[ "$TEST_CACHE" == "0" ]]; then
args+=("--no-test-cache")
fi
if [[ -n "$TIMEOUT" ]]; then
args+=("--timeout" "$TIMEOUT")
fi
echo "${args[@]}"
# execute
"${args[@]}"
environment:
ADDITIONAL_APKS: <<parameters.additional_apks>>
APP_APK: <<parameters.app>>
CLEAR_PACKAGE_DATA: <<parameters.clear_package_data>>
DEVICES: <<parameters.devices>>
DIRECTORIES_TO_PULL: <<parameters.directories_to_pull>>
ENVIRONMENT_VARIABLES: <<parameters.environment_variables>>
EW_VERSION: <<parameters.version>>
NUM_BALANCED_SHARDS: <<parameters.num_balanced_shards>>
NUM_SHARDS: <<parameters.num_shards>>
NUM_UNIFORM_SHARDS: <<parameters.num_uniform_shards>>
OUTPUTS_DIR: <<parameters.outputs_dir>>
SHARD_TARGET_RUNTIME: <<parameters.shard_target_runtime>>
SHARD_UNIT: <<parameters.shard_unit>>
TEST_APK: <<parameters.test>>
TEST_CACHE: <<parameters.test_cache>>
TESTCASE_DURATION_HINT: <<parameters.testcase_duration_hint>>
TIMEOUT: <<parameters.timeout>>
USE_ORCHESTRATOR: <<parameters.use_orchestrator>>
WITH_COVERAGE: <<parameters.with_coverage>>
name: Run tests with emulator.wtf
no_output_timeout: <<# parameters.no_output_timeout>><<parameters.no_output_timeout>><</parameters.no_output_timeout>><<^ parameters.no_output_timeout>><<# parameters.timeout>><<parameters.timeout>><</parameters.timeout>><<^ parameters.timeout>>15m<</parameters.timeout>><</parameters.no_output_timeout>>
examples:
example-ew_api_token:
description: |
Run tests using emulator-wtf orb. Assumes a EW_API_TOKEN environment variable is set.
usage:
version: "2.1"
orbs:
emulator-wtf: emulator-wtf/emulator-wtf@0.0.1
jobs:
test-sample-app:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
workflows:
test-workflow:
jobs:
- test-sample-app
example-oidc-token:
description: |
Configure credentials and run tests using CircleCI OIDC authentication
usage:
version: "2.1"
orbs:
emulator-wtf: emulator-wtf/emulator-wtf@0.0.1
jobs:
test_env_var_id:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/configure_credentials:
oidc_configuration_id: ${OIDC_CONFIGURATION_ID}
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
test_hard_coded_id:
docker:
- image: cimg/openjdk:24.0
steps:
- checkout
- emulator-wtf/configure_credentials:
oidc_configuration_id: asdf-1234-asdf-asdf
- emulator-wtf/run_tests:
app: sample-app.apk
test: sample-test.apk
workflows:
test-workflow:
jobs:
- test_hard_coded_id
- test_env_var_id