Added more tests

tests/testRun_test.go

@@ -0,0 +1,61 @@
+package tests_test
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"git.urbach.dev/cli/q/src/build"
+	"git.urbach.dev/cli/q/src/compiler"
+	"git.urbach.dev/cli/q/src/linker"
+	"git.urbach.dev/go/assert"
+)
+
+type testRun struct {
+	Name     string
+	Input    string
+	Output   string
+	ExitCode int
+}
+
+// Run builds and runs the file to check if the output matches the expected output.
+func (test *testRun) Run(t *testing.T, path string) {
+	t.Run(test.Name, func(t *testing.T) {
+		b := build.New(path)
+		env, err := compiler.Compile(b)
+		assert.Nil(t, err)
+
+		tmpDir := filepath.Join(os.TempDir(), "q", "tests")
+		err = os.MkdirAll(tmpDir, 0o755)
+		assert.Nil(t, err)
+
+		executable := b.Executable()
+		executable = filepath.Join(tmpDir, filepath.Base(executable))
+		err = linker.WriteFile(executable, b, env)
+		assert.Nil(t, err)
+
+		stat, err := os.Stat(executable)
+		assert.Nil(t, err)
+		assert.True(t, stat.Size() > 0)
+
+		cmd := exec.Command(executable)
+		cmd.Stdin = strings.NewReader(test.Input)
+		output, err := cmd.Output()
+		exitCode := 0
+
+		if err != nil {
+			exitError, ok := err.(*exec.ExitError)
+
+			if !ok {
+				t.Fatal(exitError)
+			}
+
+			exitCode = exitError.ExitCode()
+		}
+
+		assert.Equal(t, exitCode, test.ExitCode)
+		assert.DeepEqual(t, string(output), test.Output)
+	})
+}