--- /dev/null
+var test = require("tap").test
+var mkdirp = require("mkdirp")
+var rimraf = require("rimraf")
+var fs = require("fs")
+var path = require("path")
+var readInstalled = require("../read-installed.js")
+
+var parent = {
+ name: "parent",
+ version: "1.2.3",
+ dependencies: {},
+ devDependencies: {
+ "child1":"*"
+ },
+ readme:"."
+}
+
+var child1 = {
+ name: "child1",
+ version: "1.2.3",
+ peerDependencies: {
+ child2: "*"
+ },
+ readme:"."
+}
+
+var child2 = {
+ name: "child2",
+ version: "1.2.3",
+ peerDependencies: {
+ child1: "*"
+ },
+ readme:"."
+}
+
+
+var root = path.resolve(__dirname, "cyclic-extraneous-peer-deps")
+var parentjson = path.resolve(root, "package.json")
+var child1root = path.resolve(root, "node_modules/child1")
+var child1json = path.resolve(child1root, "package.json")
+var child2root = path.resolve(root, "node_modules/child2")
+var child2json = path.resolve(child2root, "package.json")
+
+test("setup", function (t) {
+ rimraf.sync(root)
+ mkdirp.sync(child1root)
+ mkdirp.sync(child2root)
+ fs.writeFileSync(parentjson, JSON.stringify(parent, null, 2) + "\n", "utf8")
+ fs.writeFileSync(child1json, JSON.stringify(child1, null, 2) + "\n", "utf8")
+ fs.writeFileSync(child2json, JSON.stringify(child2, null, 2) + "\n", "utf8")
+ t.pass("setup done")
+ t.end()
+})
+
+test("dev mode", function (t) {
+ // peer dev deps should both be not extraneous.
+ readInstalled(root, { dev: true }, function (er, data) {
+ if (er)
+ throw er
+ t.notOk(data.dependencies.child1.extraneous, "c1 not extra")
+ t.notOk(data.dependencies.child2.extraneous, "c2 not extra")
+ t.end()
+ })
+})
+
+test("prod mode", function (t) {
+ readInstalled(root, { dev: false }, function (er, data) {
+ if (er)
+ throw er
+ t.ok(data.dependencies.child1.extraneous, "c1 extra")
+ t.ok(data.dependencies.child2.extraneous, "c2 extra")
+ t.end()
+ })
+})
+
+
+test("cleanup", function (t) {
+ rimraf.sync(root)
+ t.pass("cleanup done")
+ t.end()
+})