Add basic integration test infrastructure (and new endpoint `/api/v1/version` for testing it) (#741)

* Implement '/api/v1/version'

* Cleanup and various fixes

* Enhance run.sh

* Add install_test.go

* Add parameter utils.Config for testing handlers

* Re-organize TestVersion.go

* Rename functions

* handling process cleanup properly

* Fix missing function renaming

* Cleanup the 'retry' logic

* Cleanup

* Remove unneeded logging code

* Logging messages tweaking

* Logging message tweaking

* Fix logging messages

* Use 'const' instead of hardwired numbers

* We don't really need retries anymore

* Move constant ServerHttpPort to install_test.go

* Restore mistakenly removed constant

* Add required comments to make the linter happy.

* Fix comments and naming to address linter's complaints

* Detect Gitea executale version automatically

* Remove tests/run.sh, `go test` suffices.

* Make `make build` a prerequisite of `make test`

* Do not sleep before trying

* Speedup the server pinging loop

* Use defined const instead of hardwired numbers

* Remove redundant error handling

* Use a dedicated target for running code.gitea.io/tests

* Do not make 'test' depend on 'build' target

* Rectify the excluded package list

* Remove redundant 'exit 1'

* Change the API to allow passing test.T to test handlers

* Make testing.T an embedded field

* Use assert.Equal to comparing results

* Add copyright info

* Parametrized logging output

* Use tmpdir instead

* Eliminate redundant casting

* Remove unneeded variable

* Fix last commit

* Add missing copyright info

* Replace fmt.Fprintf with fmt.Fprint

* rename the xtest to integration-test

* Use Symlink instead of hard-link for cross-device linking

* Turn debugging logs on

* Follow the existing framework for APIs

* Output logs only if test.v is true

* Re-order import statements

* Enhance the error message

* Fix comment which breaks the linter's rule

* Rename 'integration-test' to 'e2e-test' for saving keystrokes

* Add comment to avoid possible confusion

* Rename tests -> integration-tests

Also change back the Makefile to use `make integration-test`.

* Use tests/integration for now

* tests/integration -> integrations

Slightly flattened directory hierarchy is better.

* Update Makefile accordingly

* Fix a missing change in Makefile

* govendor update code.gitea.io/sdk/gitea

* Fix comment of struct fields

* Fix conditional nonsense

* Fix missing updates regarding version string changes

* Make variable naming more consistent

* Check http status code

* Rectify error messages

2 files changed, 14 insertions, 3 deletions

diff --git a/vendor/code.gitea.io/sdk/gitea/miscellaneous.go b/vendor/code.gitea.io/sdk/gitea/miscellaneous.go
index 30aaee77c8..dc56177ca6 100644
--- a/vendor/code.gitea.io/sdk/gitea/miscellaneous.go
+++ b/vendor/code.gitea.io/sdk/gitea/miscellaneous.go
@@ -11,3 +11,14 @@ type MarkdownOption struct {
 	Context string
 	Wiki    bool
 }
+
+// ServerVersion wraps the version of the server
+type ServerVersion struct {
+	Version string
+}
+
+// ServerVersion returns the version of the server
+func (c *Client) ServerVersion() (string, error) {
+	v := ServerVersion{}
+	return v.Version, c.getParsedResponse("GET", "/api/v1/version", nil, nil, &v)
+}
diff --git a/vendor/vendor.json b/vendor/vendor.json
index afe768a0be..78ae8f3ff0 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -9,10 +9,10 @@
 			"revisionTime": "2017-02-22T02:52:05Z"
 		},
 		{
-			"checksumSHA1": "K0VWBaa3ZUE598zVFGavdLB7vW4=",
+			"checksumSHA1": "qXD1HI8bTn7qNJZJOeZqQgxo354=",
 			"path": "code.gitea.io/sdk/gitea",
-			"revision": "06902fe19508c7ede2be38b71287c665efa1f10d",
-			"revisionTime": "2017-02-19T11:17:32Z"
+			"revision": "8807a1d2ced513880b288a5e2add39df6bf72144",
+			"revisionTime": "2017-03-04T10:22:44Z"
 		},
 		{
 			"checksumSHA1": "IyfS7Rbl6OgR83QR7TOfKdDCq+M=",