feat: add test coverage (#7)

Author: gigatim

test/detect_test.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+source $SCRIPT_DIR/.test_support.sh
+
+# TESTS
+######################
+suite "bin/detect"
+
+  test "exits 0 when mix.exs exists"
+    touch "${build_dir}/mix.exs"
+
+    ${build_pack_dir}/bin/detect "${build_dir}" > /dev/null
+    [ $? -eq 0 ]
+
+  test "outputs 'Core Releases' when mix.exs exists"
+    result=$(${build_pack_dir}/bin/detect "${build_dir}")
+    [ "$result" == "Core Releases" ]
+
+  test "exits 1 when mix.exs does not exist"
+    rm -f "${build_dir}/mix.exs"
+
+    set +e
+    ${build_pack_dir}/bin/detect "${build_dir}" > /dev/null 2>&1
+    exit_code=$?
+    set -e
+
+    [ $exit_code -eq 1 ]
+
+
+
+PASSED_ALL_TESTS=true

test/distillery_command_test.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+source $SCRIPT_DIR/.test_support.sh
+
+# include source file
+source $SCRIPT_DIR/../lib/build.sh
+
+# override functions
+output_line() {
+  /bin/true
+}
+output_section() {
+  /bin/true
+}
+
+# TESTS
+######################
+suite "distillery_mix_release_command()"
+
+  test "returns 'release' when distillery is not available"
+    # mix help distillery.release will fail in test env
+    result=$(distillery_mix_release_command)
+
+    [ "$result" == "release" ]
+
+
+
+PASSED_ALL_TESTS=true

test/export_env_vars_test.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+source $SCRIPT_DIR/.test_support.sh
+
+# include source file
+source $SCRIPT_DIR/../lib/build.sh
+
+# override functions
+output_line() {
+  /bin/true
+}
+output_section() {
+  /bin/true
+}
+
+# TESTS
+######################
+suite "export_env_vars()"
+
+  test "exports all vars from env directory"
+    env_path="${TEST_DIR}/env_vars"
+    mkdir -p "$env_path"
+    echo "hello" > "$env_path/MY_VAR"
+    echo "world" > "$env_path/OTHER_VAR"
+
+    unset MY_VAR OTHER_VAR
+    export_env_vars
+
+    [ "$MY_VAR" == "hello" ]
+    [ "$OTHER_VAR" == "world" ]
+
+  test "respects blacklist regex"
+    env_path="${TEST_DIR}/env_vars2"
+    mkdir -p "$env_path"
+    echo "/custom/path" > "$env_path/PATH"
+    echo "someval" > "$env_path/SAFE_VAR"
+
+    unset SAFE_VAR
+    old_path="$PATH"
+    export_env_vars
+
+    [ "$PATH" == "$old_path" ]
+    [ "$SAFE_VAR" == "someval" ]
+
+  test "respects whitelist regex"
+    env_path="${TEST_DIR}/env_vars3"
+    mkdir -p "$env_path"
+    echo "yes" > "$env_path/ALLOWED_VAR"
+    echo "no" > "$env_path/BLOCKED_VAR"
+
+    unset ALLOWED_VAR BLOCKED_VAR
+    export_env_vars "" "^ALLOWED"
+
+    [ "$ALLOWED_VAR" == "yes" ]
+    [ -z "$BLOCKED_VAR" ]
+
+  test "handles empty env directory"
+    env_path="${TEST_DIR}/env_empty"
+    mkdir -p "$env_path"
+
+    export_env_vars
+
+  test "handles missing env directory"
+    env_path="${TEST_DIR}/nonexistent_env_dir"
+
+    export_env_vars
+
+
+
+PASSED_ALL_TESTS=true

test/export_mix_env_test.sh

@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+source $SCRIPT_DIR/.test_support.sh
+
+# include source file
+source $SCRIPT_DIR/../lib/build.sh
+
+# override functions
+output_line() {
+  /bin/true
+}
+output_section() {
+  /bin/true
+}
+
+# TESTS
+######################
+suite "export_mix_env()"
+
+  test "reads MIX_ENV from env file"
+    unset MIX_ENV
+    env_path="${TEST_DIR}/env_mix1"
+    mkdir -p "$env_path"
+    echo "staging" > "$env_path/MIX_ENV"
+
+    export_mix_env
+
+    [ "$MIX_ENV" == "staging" ]
+
+  test "defaults to prod when no file exists"
+    unset MIX_ENV
+    env_path="${TEST_DIR}/env_mix2"
+
+    export_mix_env
+
+    [ "$MIX_ENV" == "prod" ]
+
+  test "does not override existing MIX_ENV"
+    export MIX_ENV="custom"
+    env_path="${TEST_DIR}/env_mix3"
+    mkdir -p "$env_path"
+    echo "staging" > "$env_path/MIX_ENV"
+
+    export_mix_env
+
+    [ "$MIX_ENV" == "custom" ]
+
+  test "accepts default parameter"
+    unset MIX_ENV
+    env_path="${TEST_DIR}/env_mix4"
+
+    export_mix_env "dev"
+
+    [ "$MIX_ENV" == "dev" ]
+
+
+
+PASSED_ALL_TESTS=true

test/release_test.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -e
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+source $SCRIPT_DIR/.test_support.sh
+
+# TESTS
+######################
+suite "bin/release"
+
+  test "outputs valid YAML structure"
+    export GIGALIXIR_APP_NAME="my_app"
+    result=$(bash ${build_pack_dir}/bin/release)
+
+    echo "$result" | grep -q "^---$"
+    echo "$result" | grep -q "addons:"
+    echo "$result" | grep -q "default_process_types:"
+
+  test "includes app name in web command"
+    export GIGALIXIR_APP_NAME="my_app"
+    result=$(bash ${build_pack_dir}/bin/release)
+
+    echo "$result" | grep -q "/app/bin/my_app start"
+
+  test "uses GIGALIXIR_APP_NAME variable"
+    export GIGALIXIR_APP_NAME="other_app"
+    result=$(bash ${build_pack_dir}/bin/release)
+
+    echo "$result" | grep -q "/app/bin/other_app start"
+
+  test "addons is empty array"
+    export GIGALIXIR_APP_NAME="my_app"
+    result=$(bash ${build_pack_dir}/bin/release)
+
+    echo "$result" | grep -q "\[\]"
+
+
+
+PASSED_ALL_TESTS=true