add `npm view .`

Fixes #5520

This adds back the ability to run `npm view .`

Includes multiple tests for `npm view`

1 files changed, 221 insertions, 0 deletions

diff --git a/test/tap/view.js b/test/tap/view.js
new file mode 100644
index 000000000..568e603a8
--- /dev/null
+++ b/test/tap/view.js
@@ -0,0 +1,221 @@
+var common = require("../common-tap.js")
+var test = require("tap").test
+var osenv = require("osenv")
+var path = require("path")
+var fs = require("fs")
+var rimraf = require("rimraf")
+var mkdirp = require("mkdirp")
+var tmp = osenv.tmpdir()
+var t1dir = path.resolve(tmp, "view-local-no-pkg")
+var t2dir = path.resolve(tmp, "view-local-notmine")
+var t3dir = path.resolve(tmp, "view-local-mine")
+var mr = require("npm-registry-mock")
+
+test("setup", function(t) {
+  mkdirp.sync(t1dir)
+  mkdirp.sync(t2dir)
+  mkdirp.sync(t3dir)
+
+  fs.writeFileSync(t2dir + "/package.json", JSON.stringify({
+    author: "Evan Lucas"
+  , name: "test-repo-url-https"
+  , version: "0.0.1"
+  }), "utf8")
+
+  fs.writeFileSync(t3dir + "/package.json", JSON.stringify({
+    author: "Evan Lucas"
+  , name: "biscuits"
+  , version: "0.0.1"
+  }), "utf8")
+
+  t.pass("created fixtures")
+  t.end()
+})
+
+test("npm view . in global mode", function(t) {
+  process.chdir(t1dir)
+  common.npm([
+    "view"
+  , "."
+  , "--registry=" + common.registry
+  , "--global"
+  ], { cwd: t1dir }, function(err, code, stdout, stderr) {
+    t.ifError(err, "error should not exist")
+    t.equal(code, 1, "exit not ok")
+    t.similar(stderr, /Cannot use view command in global mode./m)
+    t.end()
+  })
+})
+
+test("npm view . with no package.json", function(t) {
+  process.chdir(t1dir)
+  common.npm([
+    "view"
+  , "."
+  , "--registry=" + common.registry
+  ], { cwd: t1dir }, function(err, code, stdout, stderr) {
+    t.ifError(err, "error should not exist")
+    t.equal(code, 1, "exit not ok")
+    t.similar(stderr, /Invalid package.json/m)
+    t.end()
+  })
+})
+
+test("npm view . with no published package", function(t) {
+  process.chdir(t3dir)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "."
+    , "--registry=" + common.registry
+    ], { cwd: t3dir }, function(err, code, stdout, stderr) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 1, "exit not ok")
+      t.similar(stderr, /version not found/m)
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view .", function(t) {
+  process.chdir(t2dir)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "."
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      var re = new RegExp("name: 'test-repo-url-https'")
+      t.similar(stdout, re)
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view . select fields", function(t) {
+  process.chdir(t2dir)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "."
+    , "main"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      t.equal(stdout.trim(), "index.js", "should print `index.js`")
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view .@<version>", function(t) {
+  process.chdir(t2dir)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , ".@0.0.0"
+    , "version"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      t.equal(stdout.trim(), "0.0.0", "should print `0.0.0`")
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view .@<version> --json", function(t) {
+  process.chdir(t2dir)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , ".@0.0.0"
+    , "version"
+    , "--json"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      t.equal(stdout.trim(), "\"0.0.0\"", "should print `\"0.0.0\"`")
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view <package name>", function(t) {
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "underscore"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      var re = new RegExp("name: 'underscore'")
+      t.similar(stdout, re, "should have name `underscore`")
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("npm view <package name> --json", function(t) {
+  t.plan(3)
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "underscore"
+    , "--json"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      s.close()
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      try {
+        var out = JSON.parse(stdout.trim())
+        t.similar(out, {
+          maintainers: "jashkenas <jashkenas@gmail.com>"
+        }, "should have the same maintainer")
+      }
+      catch (er) {
+        t.fail("Unable to parse JSON")
+      }
+    })
+  })
+})
+
+test("npm view <package name> <field>", function(t) {
+  mr(common.port, function(s) {
+    common.npm([
+      "view"
+    , "underscore"
+    , "homepage"
+    , "--registry=" + common.registry
+    ], { cwd: t2dir }, function(err, code, stdout) {
+      t.ifError(err, "error should not exist")
+      t.equal(code, 0, "exit ok")
+      t.equal(stdout.trim(), "http://underscorejs.org",
+        "homepage should equal `http://underscorejs.org`")
+      s.close()
+      t.end()
+    })
+  })
+})
+
+test("cleanup", function(t) {
+  process.chdir(osenv.tmpdir())
+  rimraf.sync(t1dir)
+  rimraf.sync(t2dir)
+  rimraf.sync(t3dir)
+  t.pass("cleaned up")
+  t.end()
+})