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diff --git a/Makefile b/Makefile
index b1f9721..466c836 100644
--- a/Makefile
+++ b/Makefile
@@ -1,28 +1,27 @@
calling_from_make:
mix compile
UNAME := $(shell uname)
-CFLAGS ?= -D_POSIX_C_SOURCE=200809L -Wall -Werror -Wno-unused-parameter -pedantic -std=c99 -O2
+CFLAGS ?= -D_POSIX_C_SOURCE=200809L -Wall -Werror -Wno-unused-parameter -pedantic -std=c99 -O2 -fsanitize=undefined
ifeq ($(UNAME), Darwin)
TARGET_CFLAGS ?= -fPIC -undefined dynamic_lookup -dynamiclib -Wextra
endif
ifeq ($(UNAME), Linux)
TARGET_CFLAGS ?= -fPIC -shared
endif
-
all: priv/exile.so priv/spawner
priv/exile.so: c_src/exile.c
mkdir -p priv
$(CC) -I$(ERL_INTERFACE_INCLUDE_DIR) $(TARGET_CFLAGS) $(CFLAGS) c_src/exile.c -o priv/exile.so
priv/spawner: c_src/spawner.c
mkdir -p priv
$(CC) $(CFLAGS) c_src/spawner.c -o priv/spawner
clean:
@rm -rf priv/exile.so priv/spawner
diff --git a/test/exile_test.exs b/test/exile_test.exs
index 8f03e51..a245e5f 100644
--- a/test/exile_test.exs
+++ b/test/exile_test.exs
@@ -1,62 +1,71 @@
defmodule ExileTest do
use ExUnit.Case
test "stream with enumerable" do
proc_stream =
Exile.stream!(["cat"], input: Stream.map(1..1000, fn _ -> "a" end), use_stderr: false)
stdout = Enum.to_list(proc_stream)
assert IO.iodata_length(stdout) == 1000
end
test "stream with collectable" do
proc_stream =
Exile.stream!(["cat"], input: fn sink -> Enum.into(1..1000, sink, fn _ -> "a" end) end)
stdout = Enum.to_list(proc_stream)
assert IO.iodata_length(stdout) == 1000
end
test "stream without stdin" do
proc_stream = Exile.stream!(~w(echo hello))
stdout = Enum.to_list(proc_stream)
assert IO.iodata_to_binary(stdout) == "hello\n"
end
test "stderr" do
proc_stream = Exile.stream!(["sh", "-c", "echo foo >>/dev/stderr"], use_stderr: true)
assert {[], stderr} = split_stream(proc_stream)
assert IO.iodata_to_binary(stderr) == "foo\n"
end
test "multiple streams" do
script = """
for i in {1..1000}; do
echo "foo ${i}"
echo "bar ${i}" >&2
done
"""
proc_stream = Exile.stream!(["sh", "-c", script], use_stderr: true)
{stdout, stderr} = split_stream(proc_stream)
stdout_lines = String.split(Enum.join(stdout), "\n", trim: true)
stderr_lines = String.split(Enum.join(stderr), "\n", trim: true)
assert length(stdout_lines) == length(stderr_lines)
assert Enum.all?(stdout_lines, &String.starts_with?(&1, "foo "))
assert Enum.all?(stderr_lines, &String.starts_with?(&1, "bar "))
end
+ test "environment variable" do
+ output =
+ Exile.stream!(~w(printenv FOO), env: %{"FOO" => "bar"})
+ |> Enum.to_list()
+ |> IO.iodata_to_binary()
+
+ assert output == "bar\n"
+ end
+
defp split_stream(stream) do
{stdout, stderr} =
Enum.reduce(stream, {[], []}, fn
{:stdout, data}, {stdout, stderr} -> {[data | stdout], stderr}
{:stderr, data}, {stdout, stderr} -> {stdout, [data | stderr]}
end)
{Enum.reverse(stdout), Enum.reverse(stderr)}
end
end

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