httpparser/script_test.go at main · uRadical/httpparser · GitHub

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package httpparser

import (
	"errors"
	"reflect"
	"testing"
)

func TestParseScripts(t *testing.T) {
	tests := []struct {
		name       string
		input      string
		wantPre    *Script
		wantResp   *Script
		wantBody   string // "" means nil body
		wantMethod string
	}{
		{
			name: "inline pre-request script",
			input: "< {% request.variables.set(\"id\", \"42\") %}\n" +
				"GET https://example.com/x\n",
			wantPre:    &Script{Source: `request.variables.set("id", "42")`, Line: 1},
			wantMethod: "GET",
		},
		{
			name: "multi-line inline pre-request script",
			input: "< {%\n" +
				"  const t = Date.now();\n" +
				"  request.variables.set(\"t\", t);\n" +
				"%}\n" +
				"GET https://example.com/x\n",
			wantPre: &Script{
				Source: "const t = Date.now();\n  request.variables.set(\"t\", t);",
				Line:   1,
			},
			wantMethod: "GET",
		},
		{
			name: "external pre-request script",
			input: "< ./scripts/pre.js\n" +
				"GET https://example.com/x\n",
			wantPre:    &Script{Source: "./scripts/pre.js", External: true, Line: 1},
			wantMethod: "GET",
		},
		{
			name: "external pre-request absolute path",
			input: "< /abs/path/prerequest.js\n" +
				"POST https://example.com/x\n",
			wantPre:    &Script{Source: "/abs/path/prerequest.js", External: true, Line: 1},
			wantMethod: "POST",
		},
		{
			name: "inline response handler",
			input: "GET https://example.com/x\n" +
				"\n" +
				"> {% client.test(\"ok\", () => {}) %}\n",
			wantResp:   &Script{Source: `client.test("ok", () => {})`, Line: 3},
			wantMethod: "GET",
		},
		{
			name: "multi-line inline response handler",
			input: "GET https://example.com/x\n" +
				"\n" +
				"> {%\n" +
				"  client.test(\"status\", () => {\n" +
				"    client.assert(response.status === 200);\n" +
				"  });\n" +
				"%}\n",
			wantResp: &Script{
				Source: "client.test(\"status\", () => {\n    client.assert(response.status === 200);\n  });",
				Line:   3,
			},
			wantMethod: "GET",
		},
		{
			name: "external response handler",
			input: "GET https://example.com/x\n" +
				"\n" +
				"> ./handler.js\n",
			wantResp:   &Script{Source: "./handler.js", External: true, Line: 3},
			wantMethod: "GET",
		},
		{
			name: "response handler after body",
			input: "POST https://example.com/x\n" +
				"Content-Type: application/json\n" +
				"\n" +
				"{\"a\": 1}\n" +
				"\n" +
				"> {% client.log(response.body) %}\n",
			wantResp:   &Script{Source: "client.log(response.body)", Line: 6},
			wantBody:   `{"a": 1}`,
			wantMethod: "POST",
		},
		{
			name: "both pre-request and response scripts",
			input: "< {% request.variables.set(\"k\", 1) %}\n" +
				"# @name both\n" +
				"GET https://example.com/x\n" +
				"\n" +
				"> {% client.test(\"t\", () => {}) %}\n",
			wantPre:    &Script{Source: `request.variables.set("k", 1)`, Line: 1},
			wantResp:   &Script{Source: `client.test("t", () => {})`, Line: 5},
			wantMethod: "GET",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			f, err := ParseString(tt.input)
			if err != nil {
				t.Fatalf("ParseString returned error: %v", err)
			}
			if len(f.Requests) != 1 {
				t.Fatalf("got %d requests, want 1", len(f.Requests))
			}
			req := f.Requests[0]
			if req.Method != tt.wantMethod {
				t.Errorf("Method = %q, want %q", req.Method, tt.wantMethod)
			}
			if !reflect.DeepEqual(req.PreScript, tt.wantPre) {
				t.Errorf("PreScript = %#v, want %#v", req.PreScript, tt.wantPre)
			}
			if !reflect.DeepEqual(req.ResponseScript, tt.wantResp) {
				t.Errorf("ResponseScript = %#v, want %#v", req.ResponseScript, tt.wantResp)
			}
			gotBody := string(req.Body)
			if gotBody != tt.wantBody {
				t.Errorf("Body = %q, want %q", gotBody, tt.wantBody)
			}
		})
	}
}

func TestParseScriptErrors(t *testing.T) {
	tests := []struct {
		name  string
		input string
	}{
		{
			name:  "unclosed inline pre-request block",
			input: "< {% never closed\nGET https://example.com/x\n",
		},
		{
			name:  "empty external pre-request reference",
			input: "<\nGET https://example.com/x\n",
		},
		{
			name: "unclosed inline response block",
			input: "GET https://example.com/x\n" +
				"\n" +
				"> {% never closed\n",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			_, err := ParseString(tt.input)
			if err == nil {
				t.Fatal("expected an error, got nil")
			}
			if !errors.Is(err, ErrMalformedScript) {
				t.Errorf("errors.Is(err, ErrMalformedScript) = false; err = %v", err)
			}
		})
	}
}